feat: Serial and Batch reservation (#35946)

* feat: add `Has Serial No` and `Has Batch No` fields in SRE

* chore: set `Has Serial No` and `Has Batch No` while creating SRE

* feat: add field `Reserved Serial and Batch` in SRE

* fix(ux): hide `Amend` button on cancelled SRE

* fix: add validation for SRE amended doc

* fix(ux): hide `Reserved Serial and Batch` Table for non-serial/batch item

* fix(ux): set `Display Depends On` for `Has Serial No` and `Has Batch No` in SRE

* fix(ux): make `serial_no` and `batch_no` fields read-only based on `has_serial_no` and `has_batch_no`

* chore: remove table `Serial and Batch Entry` fieldlabel

* fix(ux): set warehouse for new row

* fix(ux): make qty field read-only for serial item

* fix(ux): set rows qty to `1` before making the field read-only

* chore: add filters for serial no

* chore: add filters for batch no

* chore: don't show Serial NO if already selected

* chore: hide rate related fields

* feat: add field `Reservation Based On` in SRE

* chore: make `Reserved Qty` field editable in SCR

* chore: add method to get total reserved qty against a voucher

* fix: add validation for `Reserved Qty`

* fix: update SRE status and Voucher's Reserved Qty

* chore: enable `Track Changes` in SRE

* fix: add validation to prevent delivered SRE to get updated

* fix(ux): make fields `Reserved Qty` and `Reservation Based On` read-only for delivered SRE

* fix: consider voucher's delivered qty while calculating max reserved qty

* fix: add UOM validation for SRE Reserved Qty

* fix: SRE warehouse mismatch error in DN

* fix: auto cancel SRE on update if item is fully delivered for the SO

* fix: skip SRE creation for group warehouse

* feat: add `Set Warehouse` field in SO stock reservation dialog

* fix(ux): hide `Add Row` button in SO stock reservation dialog

* fix: group warehouse validation in SO

* fix(ux): don't show Batch No if already selected

* feat: add field `Auto Reserve Serial and Batch Nos` in `Stock Settings`

* refactor: SRE reserved qty validation

* feat: auto serial and batch reservation

* chore: add section for `Serial and Batch Reservation` in `Stock Settings`

* fix: make SRE sb_entries warehouse mandatory

* fix(ux): unreserved qty calculation

* fix: add validation for `Reserved Qty` against `Batch`

* refactor: combine `get_available_qty_to_reserve()` and `get_available_qty_to_reserve_batch()`

* fix: validate disabled batch

* fix: add validation to validate serial nos availability

* fix: update row qty if `Partial Reservation` is enabled

* fix: ignore reserved serial nos while getting available serial nos

* fix: add validation to prevent repeat batches

* fix(ux): add validation for duplicate Serial No

* fix: don't allow to update SRE with delivered stock

* fix: ignore reserved serial and batch if reservation based on is not Serial and Batch

* fix(ux): stock un-reservation confirmation before `Update Items`

* chore: return list instead os set

* feat: add field `Delivered Qty` in `Serial and Batch Entry`

* feat: option to get SO reserved stock in Delivery Note

* fix: ignore reserved batches while getting available batches

* chore: `conflicts`

* fix: incorrect available qty

* fix: 'str' object has no attribute 'nodes_'

* fix: `linter`

* fix(ux): hide `Get Items From > Stock Reservation` if Stock Reservation is disabled

* fix(ux): add `depends_on` for `Auto Reserve Serial and Batch Nos`

* fix(ux): hide Stock Reservation field description in submitted SO

* fix(ux): confirm before unreserve stock

* feat: option to create DN for reserved stock from SO

* fix: update delivered qty in SRE sb_entries

* fix: Delivery Note (Reserved Stock) based on Delivery Date

* fix(ux): SO `Update Items` confirmation on `Update` button click

* feat: add dialog box to select SRE to unreserve

* fix: `ZeroDivisionError` while saving the DN (Reserved Stock)

* fix: don't allow to create Pick List if stock is reserved against SO

* fix(ux): hide Create > Pick List button for SO with reserved stock

* refactor: map reserved stock by default in DN

* refactor: code cleanup and comments

* fix: don't allow Stock Reservation against SO having Pick List

* refactor: `create_stock_reservation_entries()`

* feat: add fields to hold Pick List ref in SRE

* feat: add field `Stock Reserved Qty` in Pick List Item

* feat: provision to reserve stock from Pick List against Sales Order

* fix: don't allow to update SRE if created against a Pick List

* fix(ux): confirm before unreserve stock in Pick List

* fix: don't allow to update Pick List having reserved stock

* fix: circular dependency while cancelling the DN created from Pick List with Reserved Stock

* chore: update `Max Reserve Qty` err msg to be more descriptive

* refactor: rename field `Reserve Stock on Sales Order Submission`

* fix: msg on partial reservation if disabled in stock settings

* chore: add field description for `Enable Stock Reservation`

* fix(test): `test_stock_reservation_against_sales_order`

* fix(test): `test_stock_reservation_against_sales_order`

* test: add test cases for serial and batch reservation

* fix: batch stock levels qty

* refactor: method `get_sre_reserved_qty_for_item_and_warehouse`

* feat: show `Reserved Stock` in item master stock levels

* feat: Reserved Stock Report

* fix(ux): SO stock reservation dialogs width

* refactor: get previous values from `_doc_before_save` instead of db

* fix(ux): make `Reservation Based On` read-only if created against Pick List

* feat: option to open `Reserved Stock` report from Sales Order

* fix(ux): Sales Order - Reserve and Unreserve dialog box

* fix: decrease SRE Delivered Qty on DN cancel

* fix(ux): hide `Unreserve` button once reserved stock is delivered

* chore: `linter`

* fix(test): `test_reserved_stock_report`

* test: add test case for DN cancellation

* chore: rename field `Auto Reserve Stock on Sales Order Submission`

* fix: `Insufficient Stock` error msg
diff --git a/erpnext/controllers/accounts_controller.py b/erpnext/controllers/accounts_controller.py
index bfaf6bb..aa2f9f2 100644
--- a/erpnext/controllers/accounts_controller.py
+++ b/erpnext/controllers/accounts_controller.py
@@ -3096,7 +3096,9 @@
 
 		if has_reserved_stock(parent.doctype, parent.name):
 			cancel_stock_reservation_entries(parent.doctype, parent.name)
-			parent.create_stock_reservation_entries()
+
+			if parent.per_picked == 0:
+				parent.create_stock_reservation_entries()
 
 
 @erpnext.allow_regional
diff --git a/erpnext/public/js/utils.js b/erpnext/public/js/utils.js
index a3c10c6..89750f8 100755
--- a/erpnext/public/js/utils.js
+++ b/erpnext/public/js/utils.js
@@ -571,6 +571,7 @@
 	const cannot_add_row = (typeof opts.cannot_add_row === 'undefined') ? true : opts.cannot_add_row;
 	const child_docname = (typeof opts.cannot_add_row === 'undefined') ? "items" : opts.child_docname;
 	const child_meta = frappe.get_meta(`${frm.doc.doctype} Item`);
+	const has_reserved_stock = opts.has_reserved_stock ? true : false;
 	const get_precision = (fieldname) => child_meta.fields.find(f => f.fieldname == fieldname).precision;
 
 	this.data = frm.doc[opts.child_docname].map((d) => {
@@ -734,6 +735,17 @@
 			},
 		],
 		primary_action: function() {
+			if (frm.doctype == "Sales Order" && has_reserved_stock) {
+				this.hide();
+				frappe.confirm(
+					__('The reserved stock will be released when you update items. Are you certain you wish to proceed?'),
+					() => this.update_items(),
+				)
+			} else {
+				this.update_items();
+			}
+		},
+		update_items: function() {
 			const trans_items = this.get_values()["trans_items"].filter((item) => !!item.item_code);
 			frappe.call({
 				method: 'erpnext.controllers.accounts_controller.update_child_qty_rate',
@@ -823,6 +835,8 @@
 				"target_doc": cur_frm.doc,
 				"args": opts.args
 			},
+			freeze: true,
+			freeze_message: __("Mapping {0} ...", [opts.source_doctype]),
 			callback: function(r) {
 				if(!r.exc) {
 					var doc = frappe.model.sync(r.message);
diff --git a/erpnext/selling/doctype/sales_order/sales_order.js b/erpnext/selling/doctype/sales_order/sales_order.js
index 27163db..ba8bc33 100644
--- a/erpnext/selling/doctype/sales_order/sales_order.js
+++ b/erpnext/selling/doctype/sales_order/sales_order.js
@@ -59,19 +59,27 @@
 						child_docname: "items",
 						child_doctype: "Sales Order Detail",
 						cannot_add_row: false,
+						has_reserved_stock: frm.doc.__onload && frm.doc.__onload.has_reserved_stock
 					})
 				});
 
-				// Stock Reservation > Reserve button will be only visible if the SO has unreserved stock.
-				if (frm.doc.__onload && frm.doc.__onload.has_unreserved_stock) {
+				// Stock Reservation > Reserve button should only be visible if the SO has unreserved stock and no Pick List is created against the SO.
+				if (frm.doc.__onload && frm.doc.__onload.has_unreserved_stock && flt(frm.doc.per_picked) === 0) {
 					frm.add_custom_button(__('Reserve'), () => frm.events.create_stock_reservation_entries(frm), __('Stock Reservation'));
 				}
 			}
 
-			// Stock Reservation > Unreserve button will be only visible if the SO has reserved stock.
+			// Stock Reservation > Unreserve button will be only visible if the SO has un-delivered reserved stock.
 			if (frm.doc.__onload && frm.doc.__onload.has_reserved_stock) {
 				frm.add_custom_button(__('Unreserve'), () => frm.events.cancel_stock_reservation_entries(frm), __('Stock Reservation'));
 			}
+
+			frm.doc.items.forEach(item => {
+				if (flt(item.stock_reserved_qty) > 0) {
+					frm.add_custom_button(__('Reserved Stock'), () => frm.events.show_reserved_stock(frm), __('Stock Reservation'));
+					return;
+				}
+			});
 		}
 
 		if (frm.doc.docstatus === 0) {
@@ -82,7 +90,7 @@
 			if (frm.is_new()) {
 				frappe.db.get_single_value("Stock Settings", "enable_stock_reservation").then((value) => {
 					if (value) {
-						frappe.db.get_single_value("Stock Settings", "reserve_stock_on_sales_order_submission").then((value) => {
+						frappe.db.get_single_value("Stock Settings", "auto_reserve_stock_for_sales_order").then((value) => {
 							// If `Reserve Stock on Sales Order Submission` is enabled in Stock Settings, set Reserve Stock to 1 else 0.
 							frm.set_value("reserve_stock", value ? 1 : 0);
 						})
@@ -94,6 +102,11 @@
 				})
 			}
 		}
+
+		// Hide `Reserve Stock` field description in submitted or cancelled Sales Order.
+		if (frm.doc.docstatus > 0) {
+			frm.set_df_property("reserve_stock", "description", null);
+		}
 	},
 
 	get_items_from_internal_purchase_order(frm) {
@@ -171,76 +184,115 @@
 	},
 
 	create_stock_reservation_entries(frm) {
-		let items_data = [];
-
-		const dialog = frappe.prompt({fieldname: 'items', fieldtype: 'Table', label: __('Items to Reserve'),
+		const dialog = new frappe.ui.Dialog({
+			title: __("Stock Reservation"),
+			size: "large",
 			fields: [
 				{
-					fieldtype: 'Data',
-					fieldname: 'name',
-					label: __('Name'),
-					reqd: 1,
-					read_only: 1,
-				},
-				{
-					fieldtype: 'Link',
-					fieldname: 'item_code',
-					label: __('Item Code'),
-					options: 'Item',
-					reqd: 1,
-					read_only: 1,
-					in_list_view: 1,
-				},
-				{
-					fieldtype: 'Link',
-					fieldname: 'warehouse',
-					label: __('Warehouse'),
-					options: 'Warehouse',
-					reqd: 1,
-					in_list_view: 1,
-					get_query: function () {
+					fieldname: "set_warehouse",
+					fieldtype: "Link",
+					label: __("Set Warehouse"),
+					options: "Warehouse",
+					default: frm.doc.set_warehouse,
+					get_query: () => {
 						return {
 							filters: [
 								["Warehouse", "is_group", "!=", 1]
 							]
 						};
 					},
-				},
-				{
-					fieldtype: 'Float',
-					fieldname: 'qty_to_reserve',
-					label: __('Qty'),
-					reqd: 1,
-					in_list_view: 1
-				}
-			],
-			data: items_data,
-			in_place_edit: true,
-			get_data: function() {
-				return items_data;
-			}
-		}, function(data) {
-			if (data.items.length > 0) {
-				frappe.call({
-					doc: frm.doc,
-					method: 'create_stock_reservation_entries',
-					args: {
-						items_details: data.items,
-						notify: true
+					onchange: () => {
+						if (dialog.get_value("set_warehouse")) {
+							dialog.fields_dict.items.df.data.forEach((row) => {
+								row.warehouse = dialog.get_value("set_warehouse");
+							});
+							dialog.fields_dict.items.grid.refresh();
+						}
 					},
-					freeze: true,
-					freeze_message: __('Reserving Stock...'),
-					callback: (r) => {
-						frm.doc.__onload.has_unreserved_stock = false;
-						frm.reload_doc();
-					}
-				});
-			}
-		}, __("Stock Reservation"), __("Reserve Stock"));
+				},
+				{fieldtype: "Column Break"},
+				{fieldtype: "Section Break"},
+				{
+					fieldname: "items",
+					fieldtype: "Table",
+					label: __("Items to Reserve"),
+					allow_bulk_edit: false,
+					cannot_add_rows: true,
+					cannot_delete_rows: true,
+					data: [],
+					fields: [
+						{
+							fieldname: "name",
+							fieldtype: "Data",
+							label: __("Name"),
+							reqd: 1,
+							read_only: 1,
+						},
+						{
+							fieldname: "item_code",
+							fieldtype: "Link",
+							label: __("Item Code"),
+							options: "Item",
+							reqd: 1,
+							read_only: 1,
+							in_list_view: 1,
+						},
+						{
+							fieldname: "warehouse",
+							fieldtype: "Link",
+							label: __("Warehouse"),
+							options: "Warehouse",
+							reqd: 1,
+							in_list_view: 1,
+							get_query: () => {
+								return {
+									filters: [
+										["Warehouse", "is_group", "!=", 1]
+									]
+								};
+							},
+						},
+						{
+							fieldname: "qty_to_reserve",
+							fieldtype: "Float",
+							label: __("Qty"),
+							reqd: 1,
+							in_list_view: 1
+						}
+					],
+				},
+			],
+			primary_action_label: __("Reserve Stock"),
+			primary_action: () => {
+				var data = {items: dialog.fields_dict.items.grid.get_selected_children()};
+
+				if (data.items && data.items.length > 0) {
+					frappe.call({
+						doc: frm.doc,
+						method: "create_stock_reservation_entries",
+						args: {
+							items_details: data.items,
+							notify: true
+						},
+						freeze: true,
+						freeze_message: __("Reserving Stock..."),
+						callback: (r) => {
+							frm.doc.__onload.has_unreserved_stock = false;
+							frm.reload_doc();
+						}
+					});
+				}
+				else {
+					frappe.msgprint(__("Please select items to reserve."));
+				}
+
+				dialog.hide();
+			},
+		});
 
 		frm.doc.items.forEach(item => {
 			if (item.reserve_stock) {
-				let unreserved_qty = (flt(item.stock_qty) - (flt(item.delivered_qty) * flt(item.conversion_factor)) - flt(item.stock_reserved_qty))
+				let unreserved_qty = (flt(item.stock_qty) - (item.stock_reserved_qty ? flt(item.stock_reserved_qty) : (flt(item.delivered_qty) * flt(item.conversion_factor))))
 
 				if (unreserved_qty > 0) {
 					dialog.fields_dict.items.df.data.push({
@@ -254,22 +306,127 @@
 		});
 
 		dialog.fields_dict.items.grid.refresh();
+		dialog.show();
 	},
 
 	cancel_stock_reservation_entries(frm) {
+		const dialog = new frappe.ui.Dialog({
+			title: __("Stock Unreservation"),
+			size: "large",
+			fields: [
+				{
+					fieldname: "sr_entries",
+					fieldtype: "Table",
+					label: __("Reserved Stock"),
+					allow_bulk_edit: false,
+					cannot_add_rows: true,
+					cannot_delete_rows: true,
+					in_place_edit: true,
+					data: [],
+					fields: [
+						{
+							fieldname: "name",
+							fieldtype: "Link",
+							label: __("SRE"),
+							options: "Stock Reservation Entry",
+							reqd: 1,
+							read_only: 1,
+							in_list_view: 1,
+						},
+						{
+							fieldname: "item_code",
+							fieldtype: "Link",
+							label: __("Item Code"),
+							options: "Item",
+							reqd: 1,
+							read_only: 1,
+							in_list_view: 1,
+						},
+						{
+							fieldname: "warehouse",
+							fieldtype: "Link",
+							label: __("Warehouse"),
+							options: "Warehouse",
+							reqd: 1,
+							read_only: 1,
+							in_list_view: 1,
+						},
+						{
+							fieldname: "qty",
+							fieldtype: "Float",
+							label: __("Qty"),
+							reqd: 1,
+							read_only: 1,
+							in_list_view: 1
+						}
+					]
+				}
+			],
+			primary_action_label: __("Unreserve Stock"),
+			primary_action: () => {
+				var data = {sr_entries: dialog.fields_dict.sr_entries.grid.get_selected_children()};
+
+				if (data.sr_entries && data.sr_entries.length > 0) {
+					frappe.call({
+						doc: frm.doc,
+						method: "cancel_stock_reservation_entries",
+						args: {
+							sre_list: data.sr_entries,
+						},
+						freeze: true,
+						freeze_message: __('Unreserving Stock...'),
+						callback: (r) => {
+							frm.doc.__onload.has_reserved_stock = false;
+							frm.reload_doc();
+						}
+					});
+				}
+				else {
+					frappe.msgprint(__("Please select items to unreserve."));
+				}
+
+				dialog.hide();
+			},
+		});
+
 		frappe.call({
-			method: 'erpnext.stock.doctype.stock_reservation_entry.stock_reservation_entry.cancel_stock_reservation_entries',
+			method: 'erpnext.stock.doctype.stock_reservation_entry.stock_reservation_entry.get_stock_reservation_entries_for_voucher',
 			args: {
 				voucher_type: frm.doctype,
-				voucher_no: frm.docname
+				voucher_no: frm.docname,
 			},
-			freeze: true,
-			freeze_message: __('Unreserving Stock...'),
 			callback: (r) => {
-				frm.doc.__onload.has_reserved_stock = false;
-				frm.reload_doc();
+				if (!r.exc && r.message) {
+					r.message.forEach(sre => {
+						if (flt(sre.reserved_qty) > flt(sre.delivered_qty)) {
+							dialog.fields_dict.sr_entries.df.data.push({
+								'name': sre.name,
+								'item_code': sre.item_code,
+								'warehouse': sre.warehouse,
+								'qty': (flt(sre.reserved_qty) - flt(sre.delivered_qty))
+							});
+						}
+					});
+				}
 			}
-		})
+		}).then(r => {
+			dialog.fields_dict.sr_entries.grid.refresh();
+			dialog.show();
+		});
+	},
+
+	show_reserved_stock(frm) {
+		// Get the latest modified date from the items table.
+		var to_date = moment(new Date(Math.max(...frm.doc.items.map(e => new Date(e.modified))))).format('YYYY-MM-DD');
+
+		frappe.route_options = {
+			company: frm.doc.company,
+			from_date: frm.doc.transaction_date,
+			to_date: to_date,
+			voucher_type: frm.doc.doctype,
+			voucher_no: frm.doc.name,
+		}
+		frappe.set_route("query-report", "Reserved Stock");
 	}
 });
 
@@ -335,8 +492,11 @@
 						}
 					}
 
-					if (flt(doc.per_picked, 2) < 100 && flt(doc.per_delivered, 2) < 100) {
-						this.frm.add_custom_button(__('Pick List'), () => this.create_pick_list(), __('Create'));
+					if (!doc.__onload || !doc.__onload.has_reserved_stock) {
+						// Don't show the `Reserve` button if the Sales Order has Picked Items.
+						if (flt(doc.per_picked, 2) < 100 && flt(doc.per_delivered, 2) < 100) {
+							this.frm.add_custom_button(__('Pick List'), () => this.create_pick_list(), __('Create'));
+						}
 					}
 
 					const order_is_a_sale = ["Sales", "Shopping Cart"].indexOf(doc.order_type) !== -1;
@@ -346,7 +506,7 @@
 
 					// delivery note
 					if(flt(doc.per_delivered, 2) < 100 && (order_is_a_sale || order_is_a_custom_sale) && allow_delivery) {
-						this.frm.add_custom_button(__('Delivery Note'), () => this.make_delivery_note_based_on_delivery_date(), __('Create'));
+						this.frm.add_custom_button(__('Delivery Note'), () => this.make_delivery_note_based_on_delivery_date(true), __('Create'));
 						this.frm.add_custom_button(__('Work Order'), () => this.make_work_order(), __('Create'));
 					}
 
@@ -639,7 +799,7 @@
 		d.show();
 	}
 
-	make_delivery_note_based_on_delivery_date() {
+	make_delivery_note_based_on_delivery_date(for_reserved_stock=false) {
 		var me = this;
 
 		var delivery_dates = this.frm.doc.items.map(i => i.delivery_date);
@@ -681,22 +841,25 @@
 
 				if(!dates) return;
 
-				me.make_delivery_note(dates);
+				me.make_delivery_note(dates, for_reserved_stock);
 				dialog.hide();
 			});
 			dialog.show();
 		} else {
-			this.make_delivery_note();
+			this.make_delivery_note([], for_reserved_stock);
 		}
 	}
 
-	make_delivery_note(delivery_dates) {
+	make_delivery_note(delivery_dates, for_reserved_stock=false) {
 		frappe.model.open_mapped_doc({
 			method: "erpnext.selling.doctype.sales_order.sales_order.make_delivery_note",
 			frm: this.frm,
 			args: {
-				delivery_dates
-			}
+				delivery_dates,
+				for_reserved_stock: for_reserved_stock
+			},
+			freeze: true,
+			freeze_message: __("Creating Delivery Note ...")
 		})
 	}
 
diff --git a/erpnext/selling/doctype/sales_order/sales_order.json b/erpnext/selling/doctype/sales_order/sales_order.json
index f65969e..a74084d 100644
--- a/erpnext/selling/doctype/sales_order/sales_order.json
+++ b/erpnext/selling/doctype/sales_order/sales_order.json
@@ -1027,7 +1027,6 @@
    "length": 240,
    "oldfieldname": "in_words_export",
    "oldfieldtype": "Data",
-   "print_hide": 1,
    "read_only": 1,
    "width": "200px"
   },
@@ -1635,6 +1634,7 @@
    "description": "If checked, Stock Reservation Entries will be created on <b>Submit</b>",
    "fieldname": "reserve_stock",
    "fieldtype": "Check",
+   "hidden": 1,
    "label": "Reserve Stock",
    "no_copy": 1,
    "print_hide": 1,
@@ -1645,7 +1645,7 @@
  "idx": 105,
  "is_submittable": 1,
  "links": [],
- "modified": "2023-06-03 16:16:23.411247",
+ "modified": "2023-07-24 08:59:11.599875",
  "modified_by": "Administrator",
  "module": "Selling",
  "name": "Sales Order",
diff --git a/erpnext/selling/doctype/sales_order/sales_order.py b/erpnext/selling/doctype/sales_order/sales_order.py
index cc141ff..aae0fee 100755
--- a/erpnext/selling/doctype/sales_order/sales_order.py
+++ b/erpnext/selling/doctype/sales_order/sales_order.py
@@ -31,7 +31,6 @@
 from erpnext.setup.doctype.item_group.item_group import get_item_group_defaults
 from erpnext.stock.doctype.item.item import get_item_defaults
 from erpnext.stock.doctype.stock_reservation_entry.stock_reservation_entry import (
-	cancel_stock_reservation_entries,
 	get_sre_reserved_qty_details_for_voucher,
 	has_reserved_stock,
 )
@@ -283,7 +282,7 @@
 		self.db_set("status", "Cancelled")
 
 		self.update_blanket_order()
-		cancel_stock_reservation_entries("Sales Order", self.name)
+		self.cancel_stock_reservation_entries()
 
 		unlink_inter_company_doc(self.doctype, self.name, self.inter_company_order_reference)
 		if self.coupon_code:
@@ -535,138 +534,26 @@
 		return False
 
 	@frappe.whitelist()
-	def create_stock_reservation_entries(self, items_details=None, notify=True):
+	def create_stock_reservation_entries(self, items_details=None, notify=True) -> None:
 		"""Creates Stock Reservation Entries for Sales Order Items."""
 
 		from erpnext.stock.doctype.stock_reservation_entry.stock_reservation_entry import (
-			get_available_qty_to_reserve,
-			validate_stock_reservation_settings,
+			create_stock_reservation_entries_for_so_items as create_stock_reservation_entries,
 		)
 
-		validate_stock_reservation_settings(self)
+		create_stock_reservation_entries(so=self, items_details=items_details, notify=notify)
 
-		allow_partial_reservation = frappe.db.get_single_value(
-			"Stock Settings", "allow_partial_reservation"
+	@frappe.whitelist()
+	def cancel_stock_reservation_entries(self, sre_list=None, notify=True) -> None:
+		"""Cancel Stock Reservation Entries for Sales Order Items."""
+
+		from erpnext.stock.doctype.stock_reservation_entry.stock_reservation_entry import (
+			cancel_stock_reservation_entries,
 		)
 
-		items = []
-		if items_details:
-			for item in items_details:
-				so_item = frappe.get_doc("Sales Order Item", item["name"])
-				so_item.reserve_stock = 1
-				so_item.warehouse = item["warehouse"]
-				so_item.qty_to_reserve = flt(item["qty_to_reserve"]) * flt(so_item.conversion_factor)
-				items.append(so_item)
-
-		sre_count = 0
-		reserved_qty_details = get_sre_reserved_qty_details_for_voucher("Sales Order", self.name)
-		for item in items or self.get("items"):
-			# Skip if `Reserved Stock` is not checked for the item.
-			if not item.get("reserve_stock"):
-				continue
-
-			# Skip if Non-Stock Item.
-			if not frappe.get_cached_value("Item", item.item_code, "is_stock_item"):
-				frappe.msgprint(
-					_("Row #{0}: Stock cannot be reserved for a non-stock Item {1}").format(
-						item.idx, frappe.bold(item.item_code)
-					),
-					title=_("Stock Reservation"),
-					indicator="yellow",
-				)
-				item.db_set("reserve_stock", 0)
-				continue
-
-			# Skip if Group Warehouse.
-			if frappe.get_cached_value("Warehouse", item.warehouse, "is_group"):
-				frappe.msgprint(
-					_("Row #{0}: Stock cannot be reserved in group warehouse {1}.").format(
-						item.idx, frappe.bold(item.warehouse)
-					),
-					title=_("Stock Reservation"),
-					indicator="yellow",
-				)
-				continue
-
-			unreserved_qty = get_unreserved_qty(item, reserved_qty_details)
-
-			# Stock is already reserved for the item, notify the user and skip the item.
-			if unreserved_qty <= 0:
-				frappe.msgprint(
-					_("Row #{0}: Stock is already reserved for the Item {1}.").format(
-						item.idx, frappe.bold(item.item_code)
-					),
-					title=_("Stock Reservation"),
-					indicator="yellow",
-				)
-				continue
-
-			available_qty_to_reserve = get_available_qty_to_reserve(item.item_code, item.warehouse)
-
-			# No stock available to reserve, notify the user and skip the item.
-			if available_qty_to_reserve <= 0:
-				frappe.msgprint(
-					_("Row #{0}: No available stock to reserve for the Item {1} in Warehouse {2}.").format(
-						item.idx, frappe.bold(item.item_code), frappe.bold(item.warehouse)
-					),
-					title=_("Stock Reservation"),
-					indicator="orange",
-				)
-				continue
-
-			# The quantity which can be reserved.
-			qty_to_be_reserved = min(unreserved_qty, available_qty_to_reserve)
-
-			if hasattr(item, "qty_to_reserve"):
-				if item.qty_to_reserve <= 0:
-					frappe.msgprint(
-						_("Row #{0}: Quantity to reserve for the Item {1} should be greater than 0.").format(
-							item.idx, frappe.bold(item.item_code)
-						),
-						title=_("Stock Reservation"),
-						indicator="orange",
-					)
-					continue
-				else:
-					qty_to_be_reserved = min(qty_to_be_reserved, item.qty_to_reserve)
-
-			# Partial Reservation
-			if qty_to_be_reserved < unreserved_qty:
-				if not item.get("qty_to_reserve") or qty_to_be_reserved < flt(item.get("qty_to_reserve")):
-					frappe.msgprint(
-						_("Row #{0}: Only {1} available to reserve for the Item {2}").format(
-							item.idx,
-							frappe.bold(str(qty_to_be_reserved / item.conversion_factor) + " " + item.uom),
-							frappe.bold(item.item_code),
-						),
-						title=_("Stock Reservation"),
-						indicator="orange",
-					)
-
-				# Skip the item if `Partial Reservation` is disabled in the Stock Settings.
-				if not allow_partial_reservation:
-					continue
-
-			# Create and Submit Stock Reservation Entry
-			sre = frappe.new_doc("Stock Reservation Entry")
-			sre.item_code = item.item_code
-			sre.warehouse = item.warehouse
-			sre.voucher_type = self.doctype
-			sre.voucher_no = self.name
-			sre.voucher_detail_no = item.name
-			sre.available_qty = available_qty_to_reserve
-			sre.voucher_qty = item.stock_qty
-			sre.reserved_qty = qty_to_be_reserved
-			sre.company = self.company
-			sre.stock_uom = item.stock_uom
-			sre.project = self.project
-			sre.save()
-			sre.submit()
-
-			sre_count += 1
-
-		if sre_count and notify:
-			frappe.msgprint(_("Stock Reservation Entries Created"), alert=True, indicator="green")
+		cancel_stock_reservation_entries(
+			voucher_type=self.doctype, voucher_no=self.name, sre_list=sre_list, notify=notify
+		)
 
 
 def get_unreserved_qty(item: object, reserved_qty_details: dict) -> float:
@@ -813,8 +700,31 @@
 
 
 @frappe.whitelist()
-def make_delivery_note(source_name, target_doc=None, skip_item_mapping=False):
+def make_delivery_note(source_name, target_doc=None, kwargs=None):
 	from erpnext.stock.doctype.packed_item.packed_item import make_packing_list
+	from erpnext.stock.doctype.stock_reservation_entry.stock_reservation_entry import (
+		get_sre_details_for_voucher,
+		get_sre_reserved_qty_details_for_voucher,
+		get_ssb_bundle_for_voucher,
+	)
+
+	if not kwargs:
+		kwargs = {
+			"for_reserved_stock": frappe.flags.args and frappe.flags.args.for_reserved_stock,
+			"skip_item_mapping": frappe.flags.args and frappe.flags.args.skip_item_mapping,
+		}
+
+	kwargs = frappe._dict(kwargs)
+
+	sre_details = {}
+	if kwargs.for_reserved_stock:
+		sre_details = get_sre_reserved_qty_details_for_voucher("Sales Order", source_name)
+
+	mapper = {
+		"Sales Order": {"doctype": "Delivery Note", "validation": {"docstatus": ["=", 1]}},
+		"Sales Taxes and Charges": {"doctype": "Sales Taxes and Charges", "add_if_empty": True},
+		"Sales Team": {"doctype": "Sales Team", "add_if_empty": True},
+	}
 
 	def set_missing_values(source, target):
 		target.run_method("set_missing_values")
@@ -832,6 +742,18 @@
 
 		make_packing_list(target)
 
+	def condition(doc):
+		if doc.name in sre_details:
+			del sre_details[doc.name]
+			return False
+
+		# make_mapped_doc sets js `args` into `frappe.flags.args`
+		if frappe.flags.args and frappe.flags.args.delivery_dates:
+			if cstr(doc.delivery_date) not in frappe.flags.args.delivery_dates:
+				return False
+
+		return abs(doc.delivered_qty) < abs(doc.qty) and doc.delivered_by_supplier != 1
+
 	def update_item(source, target, source_parent):
 		target.base_amount = (flt(source.qty) - flt(source.delivered_qty)) * flt(source.base_rate)
 		target.amount = (flt(source.qty) - flt(source.delivered_qty)) * flt(source.rate)
@@ -847,21 +769,7 @@
 				or item_group.get("buying_cost_center")
 			)
 
-	mapper = {
-		"Sales Order": {"doctype": "Delivery Note", "validation": {"docstatus": ["=", 1]}},
-		"Sales Taxes and Charges": {"doctype": "Sales Taxes and Charges", "add_if_empty": True},
-		"Sales Team": {"doctype": "Sales Team", "add_if_empty": True},
-	}
-
-	if not skip_item_mapping:
-
-		def condition(doc):
-			# make_mapped_doc sets js `args` into `frappe.flags.args`
-			if frappe.flags.args and frappe.flags.args.delivery_dates:
-				if cstr(doc.delivery_date) not in frappe.flags.args.delivery_dates:
-					return False
-			return abs(doc.delivered_qty) < abs(doc.qty) and doc.delivered_by_supplier != 1
-
+	if not kwargs.skip_item_mapping:
 		mapper["Sales Order Item"] = {
 			"doctype": "Delivery Note Item",
 			"field_map": {
@@ -869,11 +777,56 @@
 				"name": "so_detail",
 				"parent": "against_sales_order",
 			},
-			"postprocess": update_item,
 			"condition": condition,
+			"postprocess": update_item,
 		}
 
-	target_doc = get_mapped_doc("Sales Order", source_name, mapper, target_doc, set_missing_values)
+	so = frappe.get_doc("Sales Order", source_name)
+	target_doc = get_mapped_doc("Sales Order", so.name, mapper, target_doc)
+
+	if not kwargs.skip_item_mapping and kwargs.for_reserved_stock:
+		sre_list = get_sre_details_for_voucher("Sales Order", source_name)
+
+		if sre_list:
+
+			def update_dn_item(source, target, source_parent):
+				update_item(source, target, so)
+
+			so_items = {d.name: d for d in so.items if d.stock_reserved_qty}
+
+			for sre in sre_list:
+				if not condition(so_items[sre.voucher_detail_no]):
+					continue
+
+				dn_item = get_mapped_doc(
+					"Sales Order Item",
+					sre.voucher_detail_no,
+					{
+						"Sales Order Item": {
+							"doctype": "Delivery Note Item",
+							"field_map": {
+								"rate": "rate",
+								"name": "so_detail",
+								"parent": "against_sales_order",
+							},
+							"postprocess": update_dn_item,
+						}
+					},
+				)
+
+				dn_item.qty = flt(sre.reserved_qty) * flt(dn_item.get("conversion_factor", 1))
+
+				if sre.reservation_based_on == "Serial and Batch" and (sre.has_serial_no or sre.has_batch_no):
+					dn_item.serial_and_batch_bundle = get_ssb_bundle_for_voucher(sre)
+
+				target_doc.append("items", dn_item)
+			else:
+				# Correct rows index.
+				for idx, item in enumerate(target_doc.items):
+					item.idx = idx + 1
+
+	# Should be called after mapping items.
+	set_missing_values(so, target_doc)
 	target_doc.set_onload("ignore_price_list", True)
 
 	return target_doc
@@ -1436,6 +1389,16 @@
 def create_pick_list(source_name, target_doc=None):
 	from erpnext.stock.doctype.packed_item.packed_item import is_product_bundle
 
+	def validate_sales_order():
+		so = frappe.get_doc("Sales Order", source_name)
+		for item in so.items:
+			if item.stock_reserved_qty > 0:
+				frappe.throw(
+					_(
+						"Cannot create a pick list for Sales Order {0} because it has reserved stock. Please unreserve the stock in order to create a pick list."
+					).format(frappe.bold(source_name))
+				)
+
 	def update_item_quantity(source, target, source_parent) -> None:
 		picked_qty = flt(source.picked_qty) / (flt(source.conversion_factor) or 1)
 		qty_to_be_picked = flt(source.qty) - max(picked_qty, flt(source.delivered_qty))
@@ -1459,6 +1422,9 @@
 			and not is_product_bundle(item.item_code)
 		)
 
+	# Don't allow a Pick List to be created against a Sales Order that has reserved stock.
+	validate_sales_order()
+
 	doc = get_mapped_doc(
 		"Sales Order",
 		source_name,
diff --git a/erpnext/selling/doctype/sales_order/test_sales_order.py b/erpnext/selling/doctype/sales_order/test_sales_order.py
index 954393f..ed270be 100644
--- a/erpnext/selling/doctype/sales_order/test_sales_order.py
+++ b/erpnext/selling/doctype/sales_order/test_sales_order.py
@@ -1789,147 +1789,6 @@
 		self.assertEqual(pe.references[1].reference_name, so.name)
 		self.assertEqual(pe.references[1].allocated_amount, 300)
 
-	@change_settings(
-		"Stock Settings",
-		{
-			"enable_stock_reservation": 1,
-			"auto_create_serial_and_batch_bundle_for_outward": 1,
-			"pick_serial_and_batch_based_on": "FIFO",
-		},
-	)
-	def test_stock_reservation_against_sales_order(self) -> None:
-		from random import randint, uniform
-
-		from erpnext.stock.doctype.stock_reservation_entry.stock_reservation_entry import (
-			cancel_stock_reservation_entries,
-			get_sre_reserved_qty_details_for_voucher,
-			get_stock_reservation_entries_for_voucher,
-			has_reserved_stock,
-		)
-		from erpnext.stock.doctype.stock_reservation_entry.test_stock_reservation_entry import (
-			create_items,
-			create_material_receipt,
-		)
-
-		items_details, warehouse = create_items(), "_Test Warehouse - _TC"
-		se = create_material_receipt(items_details, warehouse, qty=10)
-
-		item_list = []
-		for item_code, properties in items_details.items():
-			stock_uom = properties.stock_uom
-			item_list.append(
-				{
-					"item_code": item_code,
-					"warehouse": warehouse,
-					"qty": flt(uniform(11, 100), 0 if stock_uom == "Nos" else 3),
-					"uom": stock_uom,
-					"rate": randint(10, 200),
-				}
-			)
-
-		so = make_sales_order(
-			item_list=item_list,
-			warehouse="_Test Warehouse - _TC",
-		)
-
-		# Test - 1: Stock should not be reserved if the Available Qty to Reserve is less than the Ordered Qty and Partial Reservation is disabled in Stock Settings.
-		with change_settings("Stock Settings", {"allow_partial_reservation": 0}):
-			so.create_stock_reservation_entries()
-			self.assertFalse(has_reserved_stock("Sales Order", so.name))
-
-		# Test - 2: Stock should be Partially Reserved if the Partial Reservation is enabled in Stock Settings.
-		with change_settings("Stock Settings", {"allow_partial_reservation": 1}):
-			so.create_stock_reservation_entries()
-			so.load_from_db()
-			self.assertTrue(has_reserved_stock("Sales Order", so.name))
-
-			for item in so.items:
-				sre_details = get_stock_reservation_entries_for_voucher(
-					"Sales Order", so.name, item.name, fields=["reserved_qty", "status"]
-				)
-				self.assertEqual(item.stock_reserved_qty, sre_details[0].reserved_qty)
-				self.assertEqual(sre_details[0].status, "Partially Reserved")
-
-			se.cancel()
-
-			# Test - 3: Stock should be fully Reserved if the Available Qty to Reserve is greater than the Un-reserved Qty.
-			create_material_receipt(items_details, warehouse, qty=110)
-			so.create_stock_reservation_entries()
-			so.load_from_db()
-
-			reserved_qty_details = get_sre_reserved_qty_details_for_voucher("Sales Order", so.name)
-			for item in so.items:
-				reserved_qty = reserved_qty_details[item.name]
-				self.assertEqual(item.stock_reserved_qty, reserved_qty)
-				self.assertEqual(item.stock_qty, item.stock_reserved_qty)
-
-			# Test - 4: Stock should get unreserved on cancellation of Stock Reservation Entries.
-			cancel_stock_reservation_entries("Sales Order", so.name)
-			so.load_from_db()
-			self.assertFalse(has_reserved_stock("Sales Order", so.name))
-
-			for item in so.items:
-				self.assertEqual(item.stock_reserved_qty, 0)
-
-			# Test - 5: Re-reserve the stock.
-			so.create_stock_reservation_entries()
-			self.assertTrue(has_reserved_stock("Sales Order", so.name))
-
-			# Test - 6: Stock should get unreserved on cancellation of Sales Order.
-			so.cancel()
-			so.load_from_db()
-			self.assertFalse(has_reserved_stock("Sales Order", so.name))
-
-			for item in so.items:
-				self.assertEqual(item.stock_reserved_qty, 0)
-
-			# Create Sales Order and Reserve Stock.
-			so = make_sales_order(
-				item_list=item_list,
-				warehouse="_Test Warehouse - _TC",
-			)
-			so.create_stock_reservation_entries()
-
-			# Test - 7: Partial Delivery against Sales Order.
-			dn1 = make_delivery_note(so.name)
-
-			for item in dn1.items:
-				item.qty = flt(uniform(1, 10), 0 if item.stock_uom == "Nos" else 3)
-
-			dn1.save()
-			dn1.submit()
-
-			for item in so.items:
-				sre_details = get_stock_reservation_entries_for_voucher(
-					"Sales Order", so.name, item.name, fields=["delivered_qty", "status"]
-				)
-				self.assertGreater(sre_details[0].delivered_qty, 0)
-				self.assertEqual(sre_details[0].status, "Partially Delivered")
-
-			# Test - 8: Over Delivery against Sales Order, SRE Delivered Qty should not be greater than the SRE Reserved Qty.
-			with change_settings("Stock Settings", {"over_delivery_receipt_allowance": 100}):
-				dn2 = make_delivery_note(so.name)
-
-				for item in dn2.items:
-					item.qty += flt(uniform(1, 10), 0 if item.stock_uom == "Nos" else 3)
-
-				dn2.save()
-				dn2.submit()
-
-			for item in so.items:
-				sre_details = frappe.db.get_all(
-					"Stock Reservation Entry",
-					filters={
-						"voucher_type": "Sales Order",
-						"voucher_no": so.name,
-						"voucher_detail_no": item.name,
-					},
-					fields=["reserved_qty", "delivered_qty"],
-				)
-
-				for sre_detail in sre_details:
-					self.assertEqual(sre_detail.reserved_qty, sre_detail.delivered_qty)
-
 	def test_delivered_item_material_request(self):
 		"SO -> MR (Manufacture) -> WO. Test if WO Qty is updated in SO."
 		from erpnext.manufacturing.doctype.work_order.work_order import (
diff --git a/erpnext/stock/dashboard/item_dashboard.py b/erpnext/stock/dashboard/item_dashboard.py
index 8fbb56c..62bd61f 100644
--- a/erpnext/stock/dashboard/item_dashboard.py
+++ b/erpnext/stock/dashboard/item_dashboard.py
@@ -2,6 +2,10 @@
 from frappe.model.db_query import DatabaseQuery
 from frappe.utils import cint, flt
 
+from erpnext.stock.doctype.stock_reservation_entry.stock_reservation_entry import (
+	get_sre_reserved_qty_for_item_and_warehouse as get_reserved_stock,
+)
+
 
 @frappe.whitelist()
 def get_data(
@@ -57,6 +61,7 @@
 		limit_page_length=21,
 	)
 
+	sre_reserved_stock_details = get_reserved_stock(item_code, warehouse)
 	precision = cint(frappe.db.get_single_value("System Settings", "float_precision"))
 
 	for item in items:
@@ -70,6 +75,7 @@
 				"reserved_qty_for_production": flt(item.reserved_qty_for_production, precision),
 				"reserved_qty_for_sub_contract": flt(item.reserved_qty_for_sub_contract, precision),
 				"actual_qty": flt(item.actual_qty, precision),
+				"reserved_stock": sre_reserved_stock_details.get((item.item_code, item.warehouse), 0),
 			}
 		)
 	return items
diff --git a/erpnext/stock/dashboard/item_dashboard_list.html b/erpnext/stock/dashboard/item_dashboard_list.html
index 0c10be4..3b26191 100644
--- a/erpnext/stock/dashboard/item_dashboard_list.html
+++ b/erpnext/stock/dashboard/item_dashboard_list.html
@@ -12,7 +12,10 @@
 					</a>
 				{% endif %}
 			</div>
-			<div class="col-sm-4">
+			<div class="col-sm-1" style="margin-top: 8px;" title="{{ __("Reserved Stock") }}">
+				<a data-name="{{ d.reserved_stock }}">{{ d.reserved_stock }}</a>
+			</div>
+			<div class="col-sm-3">
 				<span class="inline-graph">
 					<span class="inline-graph-half" title="{{ __("Reserved Qty") }}">
 						<span class="inline-graph-count">{{ d.total_reserved }}</span>
diff --git a/erpnext/stock/doctype/batch/batch.js b/erpnext/stock/doctype/batch/batch.js
index 3b07e4e..7bf7a1f 100644
--- a/erpnext/stock/doctype/batch/batch.js
+++ b/erpnext/stock/doctype/batch/batch.js
@@ -41,7 +41,7 @@
 		if(!frm.is_new()) {
 			frappe.call({
 				method: 'erpnext.stock.doctype.batch.batch.get_batch_qty',
-				args: {batch_no: frm.doc.name},
+				args: {batch_no: frm.doc.name, item_code: frm.doc.item},
 				callback: (r) => {
 					if(!r.message) {
 						return;
diff --git a/erpnext/stock/doctype/delivery_note/delivery_note.js b/erpnext/stock/doctype/delivery_note/delivery_note.js
index 7ef1c9b..ec68549 100644
--- a/erpnext/stock/doctype/delivery_note/delivery_note.js
+++ b/erpnext/stock/doctype/delivery_note/delivery_note.js
@@ -150,6 +150,9 @@
 						}
 						erpnext.utils.map_current_doc({
 							method: "erpnext.selling.doctype.sales_order.sales_order.make_delivery_note",
+							args: {
+								for_reserved_stock: 1
+							},
 							source_doctype: "Sales Order",
 							target: me.frm,
 							setters: {
diff --git a/erpnext/stock/doctype/delivery_note/delivery_note.py b/erpnext/stock/doctype/delivery_note/delivery_note.py
index ea20a26..190575e 100644
--- a/erpnext/stock/doctype/delivery_note/delivery_note.py
+++ b/erpnext/stock/doctype/delivery_note/delivery_note.py
@@ -279,6 +279,8 @@
 		self.update_prevdoc_status()
 		self.update_billing_status()
 
+		self.update_stock_reservation_entries()
+
 		# Updating stock ledger should always be called after updating prevdoc status,
 		# because updating reserved qty in bin depends upon updated delivered qty in SO
 		self.update_stock_ledger()
@@ -297,55 +299,141 @@
 	def update_stock_reservation_entries(self) -> None:
 		"""Updates Delivered Qty in Stock Reservation Entries."""
 
-		# Don't update Delivered Qty on Return or Cancellation.
-		if self.is_return or self._action == "cancel":
+		# Don't update Delivered Qty on Return.
+		if self.is_return:
 			return
 
-		for item in self.get("items"):
-			# Skip if `Sales Order` or `Sales Order Item` reference is not set.
-			if not item.against_sales_order or not item.so_detail:
-				continue
+		if self._action == "submit":
+			for item in self.get("items"):
+				# Skip if `Sales Order` or `Sales Order Item` reference is not set.
+				if not item.against_sales_order or not item.so_detail:
+					continue
 
-			sre_list = frappe.db.get_all(
-				"Stock Reservation Entry",
-				{
-					"docstatus": 1,
-					"voucher_type": "Sales Order",
-					"voucher_no": item.against_sales_order,
-					"voucher_detail_no": item.so_detail,
-					"warehouse": item.warehouse,
-					"status": ["not in", ["Delivered", "Cancelled"]],
-				},
-				order_by="creation",
-			)
+				sre_list = frappe.db.get_all(
+					"Stock Reservation Entry",
+					{
+						"docstatus": 1,
+						"voucher_type": "Sales Order",
+						"voucher_no": item.against_sales_order,
+						"voucher_detail_no": item.so_detail,
+						"warehouse": item.warehouse,
+						"status": ["not in", ["Delivered", "Cancelled"]],
+					},
+					order_by="creation",
+				)
 
-			# Skip if no Stock Reservation Entries.
-			if not sre_list:
-				continue
+				# Skip if no Stock Reservation Entries.
+				if not sre_list:
+					continue
 
-			available_qty_to_deliver = item.stock_qty
-			for sre in sre_list:
-				if available_qty_to_deliver <= 0:
-					break
+				qty_to_deliver = item.stock_qty
+				for sre in sre_list:
+					if qty_to_deliver <= 0:
+						break
 
-				sre_doc = frappe.get_doc("Stock Reservation Entry", sre)
+					sre_doc = frappe.get_doc("Stock Reservation Entry", sre)
 
-				# `Delivered Qty` should be less than or equal to `Reserved Qty`.
-				qty_to_be_deliver = min(sre_doc.reserved_qty - sre_doc.delivered_qty, available_qty_to_deliver)
+					qty_can_be_deliver = 0
+					if sre_doc.reservation_based_on == "Serial and Batch":
+						sbb = frappe.get_doc("Serial and Batch Bundle", item.serial_and_batch_bundle)
+						if sre_doc.has_serial_no:
+							delivered_serial_nos = [d.serial_no for d in sbb.entries]
+							for entry in sre_doc.sb_entries:
+								if entry.serial_no in delivered_serial_nos:
+									entry.delivered_qty = 1  # Qty will always be 0 or 1 for Serial No.
+									entry.db_update()
+									qty_can_be_deliver += 1
+									delivered_serial_nos.remove(entry.serial_no)
+						else:
+							delivered_batch_qty = {d.batch_no: -1 * d.qty for d in sbb.entries}
+							for entry in sre_doc.sb_entries:
+								if entry.batch_no in delivered_batch_qty:
+									delivered_qty = min(
+										(entry.qty - entry.delivered_qty), delivered_batch_qty[entry.batch_no]
+									)
+									entry.delivered_qty += delivered_qty
+									entry.db_update()
+									qty_can_be_deliver += delivered_qty
+									delivered_batch_qty[entry.batch_no] -= delivered_qty
+					else:
+						# `Delivered Qty` should be less than or equal to `Reserved Qty`.
+						qty_can_be_deliver = min((sre_doc.reserved_qty - sre_doc.delivered_qty), qty_to_deliver)
 
-				sre_doc.delivered_qty += qty_to_be_deliver
-				sre_doc.db_update()
+					sre_doc.delivered_qty += qty_can_be_deliver
+					sre_doc.db_update()
 
-				# Update Stock Reservation Entry `Status` based on `Delivered Qty`.
-				sre_doc.update_status()
+					# Update Stock Reservation Entry `Status` based on `Delivered Qty`.
+					sre_doc.update_status()
 
-				available_qty_to_deliver -= qty_to_be_deliver
+					qty_to_deliver -= qty_can_be_deliver
+
+		if self._action == "cancel":
+			for item in self.get("items"):
+				# Skip if `Sales Order` or `Sales Order Item` reference is not set.
+				if not item.against_sales_order or not item.so_detail:
+					continue
+
+				sre_list = frappe.db.get_all(
+					"Stock Reservation Entry",
+					{
+						"docstatus": 1,
+						"voucher_type": "Sales Order",
+						"voucher_no": item.against_sales_order,
+						"voucher_detail_no": item.so_detail,
+						"warehouse": item.warehouse,
+						"status": ["in", ["Partially Delivered", "Delivered"]],
+					},
+					order_by="creation",
+				)
+
+				# Skip if no Stock Reservation Entries.
+				if not sre_list:
+					continue
+
+				qty_to_undelivered = item.stock_qty
+				for sre in sre_list:
+					if qty_to_undelivered <= 0:
+						break
+
+					sre_doc = frappe.get_doc("Stock Reservation Entry", sre)
+
+					qty_can_be_undelivered = 0
+					if sre_doc.reservation_based_on == "Serial and Batch":
+						sbb = frappe.get_doc("Serial and Batch Bundle", item.serial_and_batch_bundle)
+						if sre_doc.has_serial_no:
+							serial_nos_to_undelivered = [d.serial_no for d in sbb.entries]
+							for entry in sre_doc.sb_entries:
+								if entry.serial_no in serial_nos_to_undelivered:
+									entry.delivered_qty = 0  # Qty will always be 0 or 1 for Serial No.
+									entry.db_update()
+									qty_can_be_undelivered += 1
+									serial_nos_to_undelivered.remove(entry.serial_no)
+						else:
+							batch_qty_to_undelivered = {d.batch_no: -1 * d.qty for d in sbb.entries}
+							for entry in sre_doc.sb_entries:
+								if entry.batch_no in batch_qty_to_undelivered:
+									undelivered_qty = min(entry.delivered_qty, batch_qty_to_undelivered[entry.batch_no])
+									entry.delivered_qty -= undelivered_qty
+									entry.db_update()
+									qty_can_be_undelivered += undelivered_qty
+									batch_qty_to_undelivered[entry.batch_no] -= undelivered_qty
+					else:
+						# `Qty to Undelivered` should be less than or equal to `Delivered Qty`.
+						qty_can_be_undelivered = min(sre_doc.delivered_qty, qty_to_undelivered)
+
+					sre_doc.delivered_qty -= qty_can_be_undelivered
+					sre_doc.db_update()
+
+					# Update Stock Reservation Entry `Status` based on `Delivered Qty`.
+					sre_doc.update_status()
+
+					qty_to_undelivered -= qty_can_be_undelivered
 
 	def validate_against_stock_reservation_entries(self):
 		"""Validates if Stock Reservation Entries are available for the Sales Order Item reference."""
 
 		from erpnext.stock.doctype.stock_reservation_entry.stock_reservation_entry import (
-			get_sre_reserved_qty_details_for_voucher_detail_no,
+			get_sre_reserved_warehouses_for_voucher,
 		)
 
 		# Don't validate if Return
@@ -357,26 +445,30 @@
 			if not item.against_sales_order or not item.so_detail:
 				continue
 
-			sre_data = get_sre_reserved_qty_details_for_voucher_detail_no(
+			reserved_warehouses = get_sre_reserved_warehouses_for_voucher(
 				"Sales Order", item.against_sales_order, item.so_detail
 			)
 
 			# Skip if stock is not reserved.
-			if not sre_data:
+			if not reserved_warehouses:
 				continue
 
 			# Set `Warehouse` from SRE if not set.
 			if not item.warehouse:
-				item.warehouse = sre_data[0]
+				item.warehouse = reserved_warehouses[0]
 			else:
-				# Throw if `Warehouse` is different from SRE.
-				if item.warehouse != sre_data[0]:
-					frappe.throw(
-						_("Row #{0}: Stock is reserved for Item {1} in Warehouse {2}.").format(
-							item.idx, frappe.bold(item.item_code), frappe.bold(sre_data[0])
+				# Throw if `Warehouse` not in Reserved Warehouses.
+				if item.warehouse not in reserved_warehouses:
+					msg = _("Row #{0}: Stock is reserved for item {1} in warehouse {2}.").format(
+						item.idx,
+						frappe.bold(item.item_code),
+						frappe.bold(reserved_warehouses[0])
+						if len(reserved_warehouses) == 1
+						else _("{0} and {1}").format(
+							frappe.bold(", ".join(reserved_warehouses[:-1])), frappe.bold(reserved_warehouses[-1])
 						),
-						title=_("Stock Reservation Warehouse Mismatch"),
 					)
+					frappe.throw(msg, title=_("Stock Reservation Warehouse Mismatch"))
 
 	def check_credit_limit(self):
 		from erpnext.selling.doctype.customer.customer import check_credit_limit
diff --git a/erpnext/stock/doctype/pick_list/pick_list.js b/erpnext/stock/doctype/pick_list/pick_list.js
index 35c35a6..4eed285 100644
--- a/erpnext/stock/doctype/pick_list/pick_list.js
+++ b/erpnext/stock/doctype/pick_list/pick_list.js
@@ -115,6 +115,22 @@
 					frm.add_custom_button(__('Stock Entry'), () => frm.trigger('create_stock_entry'), __('Create'));
 				}
 			});
+
+			if (frm.doc.purpose === 'Delivery' && frm.doc.status === 'Open') {
+				if (frm.doc.__onload && frm.doc.__onload.has_unreserved_stock) {
+					frm.add_custom_button(__('Reserve'), () => frm.events.create_stock_reservation_entries(frm), __('Stock Reservation'));
+				}
+
+				if (frm.doc.__onload && frm.doc.__onload.has_reserved_stock) {
+					frm.add_custom_button(__('Unreserve'), () => {
+						frappe.confirm(
+							__('The reserved stock will be released. Are you certain you wish to proceed?'),
+							() => frm.events.cancel_stock_reservation_entries(frm)
+						)
+					}, __('Stock Reservation'));
+					frm.add_custom_button(__('Reserved Stock'), () => frm.events.show_reserved_stock(frm), __('Stock Reservation'));
+				}
+			}
 		}
 	},
 	work_order: (frm) => {
@@ -209,6 +225,49 @@
 		};
 		const barcode_scanner = new erpnext.utils.BarcodeScanner(opts);
 		barcode_scanner.process_scan();
+	},
+	create_stock_reservation_entries: (frm) => {
+		frappe.call({
+			doc: frm.doc,
+			method: "create_stock_reservation_entries",
+			args: {
+				notify: true
+			},
+			freeze: true,
+			freeze_message: __("Reserving Stock..."),
+			callback: (r) => {
+				frm.doc.__onload.has_unreserved_stock = false;
+				frm.reload_doc();
+			}
+		});
+	},
+	cancel_stock_reservation_entries: (frm) => {
+		frappe.call({
+			doc: frm.doc,
+			method: "cancel_stock_reservation_entries",
+			args: {
+				notify: true
+			},
+			freeze: true,
+			freeze_message: __('Unreserving Stock...'),
+			callback: (r) => {
+				frm.doc.__onload.has_reserved_stock = false;
+				frm.reload_doc();
+			}
+		});
+	},
+	show_reserved_stock(frm) {
+		// Get the latest modified date from the locations table.
+		var to_date = moment(new Date(Math.max(...frm.doc.locations.map(e => new Date(e.modified))))).format('YYYY-MM-DD');
+
+		frappe.route_options = {
+			company: frm.doc.company,
+			from_date: moment(frm.doc.creation).format('YYYY-MM-DD'),
+			to_date: to_date,
+			voucher_type: "Sales Order",
+			against_pick_list: frm.doc.name,
+		}
+		frappe.set_route("query-report", "Reserved Stock");
 	}
 });
 
diff --git a/erpnext/stock/doctype/pick_list/pick_list.py b/erpnext/stock/doctype/pick_list/pick_list.py
index 922f76c..2fcd102 100644
--- a/erpnext/stock/doctype/pick_list/pick_list.py
+++ b/erpnext/stock/doctype/pick_list/pick_list.py
@@ -29,6 +29,14 @@
 
 
 class PickList(Document):
+	def onload(self) -> None:
+		if frappe.get_cached_value("Stock Settings", None, "enable_stock_reservation"):
+			if self.has_unreserved_stock():
+				self.set_onload("has_unreserved_stock", True)
+
+		if self.has_reserved_stock():
+			self.set_onload("has_reserved_stock", True)
+
 	def validate(self):
 		self.validate_for_qty()
 
@@ -47,8 +55,28 @@
 				)
 
 	def before_submit(self):
+		self.validate_sales_order()
 		self.validate_picked_items()
 
+	def validate_sales_order(self):
+		"""Raises an exception if the `Sales Order` has reserved stock."""
+
+		if self.purpose != "Delivery":
+			return
+
+		so_list = set(location.sales_order for location in self.locations if location.sales_order)
+
+		if so_list:
+			for so in so_list:
+				so_doc = frappe.get_doc("Sales Order", so)
+				for item in so_doc.items:
+					if item.stock_reserved_qty > 0:
+						frappe.throw(
+							_(
+								"Cannot create a pick list for Sales Order {0} because it has reserved stock. Please unreserve the stock in order to create a pick list."
+							).format(frappe.bold(so))
+						)
+
 	def validate_picked_items(self):
 		for item in self.locations:
 			if self.scan_mode and item.picked_qty < item.stock_qty:
@@ -70,8 +98,19 @@
 		self.update_reference_qty()
 		self.update_sales_order_picking_status()
 
+	def on_update_after_submit(self) -> None:
+		if self.has_reserved_stock():
+			msg = _(
+				"The Pick List having Stock Reservation Entries cannot be updated. If you need to make changes, we recommend canceling the existing Stock Reservation Entries before updating the Pick List."
+			)
+			frappe.throw(msg)
+
 	def on_cancel(self):
-		self.ignore_linked_doctypes = "Serial and Batch Bundle"
+		self.ignore_linked_doctypes = [
+			"Serial and Batch Bundle",
+			"Stock Reservation Entry",
+			"Delivery Note",
+		]
 
 		self.update_status()
 		self.update_bundle_picked_qty()
@@ -186,6 +225,36 @@
 		for sales_order in sales_orders:
 			frappe.get_doc("Sales Order", sales_order, for_update=True).update_picking_status()
 
+	@frappe.whitelist()
+	def create_stock_reservation_entries(self, notify=True) -> None:
+		"""Creates Stock Reservation Entries for Sales Order Items against Pick List."""
+
+		from erpnext.stock.doctype.stock_reservation_entry.stock_reservation_entry import (
+			create_stock_reservation_entries_for_so_items,
+		)
+
+		so_details = {}
+		for location in self.locations:
+			if location.warehouse and location.sales_order and location.sales_order_item:
+				so_details.setdefault(location.sales_order, []).append(location)
+
+		if so_details:
+			for so, locations in so_details.items():
+				so_doc = frappe.get_doc("Sales Order", so)
+				create_stock_reservation_entries_for_so_items(
+					so=so_doc, items_details=locations, against_pick_list=True, notify=notify
+				)
+
+	@frappe.whitelist()
+	def cancel_stock_reservation_entries(self, notify=True) -> None:
+		"""Cancel Stock Reservation Entries for Sales Order Items created against Pick List."""
+
+		from erpnext.stock.doctype.stock_reservation_entry.stock_reservation_entry import (
+			cancel_stock_reservation_entries,
+		)
+
+		cancel_stock_reservation_entries(against_pick_list=self.name, notify=notify)
+
 	def validate_picked_qty(self, data):
 		over_delivery_receipt_allowance = 100 + flt(
 			frappe.db.get_single_value("Stock Settings", "over_delivery_receipt_allowance")
@@ -448,6 +517,26 @@
 				possible_bundles.append(0)
 		return int(flt(min(possible_bundles), precision or 6))
 
+	def has_unreserved_stock(self):
+		if self.purpose == "Delivery":
+			for location in self.locations:
+				if (
+					location.sales_order
+					and location.sales_order_item
+					and (flt(location.picked_qty) - flt(location.stock_reserved_qty)) > 0
+				):
+					return True
+
+		return False
+
+	def has_reserved_stock(self):
+		if self.purpose == "Delivery":
+			for location in self.locations:
+				if location.sales_order and location.sales_order_item and flt(location.stock_reserved_qty) > 0:
+					return True
+
+		return False
+
 
 def update_pick_list_status(pick_list):
 	if pick_list:
@@ -781,7 +870,8 @@
 	for customer in sales_dict:
 		for so in sales_dict[customer]:
 			delivery_note = None
-			delivery_note = create_delivery_note_from_sales_order(so, delivery_note, skip_item_mapping=True)
+			kwargs = {"skip_item_mapping": True}
+			delivery_note = create_delivery_note_from_sales_order(so, delivery_note, kwargs=kwargs)
 			break
 		if delivery_note:
 			# map all items of all sales orders of that customer
diff --git a/erpnext/stock/doctype/pick_list/pick_list_dashboard.py b/erpnext/stock/doctype/pick_list/pick_list_dashboard.py
index 7fbcbaf..0830fa2 100644
--- a/erpnext/stock/doctype/pick_list/pick_list_dashboard.py
+++ b/erpnext/stock/doctype/pick_list/pick_list_dashboard.py
@@ -1,10 +1,13 @@
 def get_data():
 	return {
 		"fieldname": "pick_list",
+		"non_standard_fieldnames": {
+			"Stock Reservation Entry": "against_pick_list",
+		},
 		"internal_links": {
 			"Sales Order": ["locations", "sales_order"],
 		},
 		"transactions": [
-			{"items": ["Stock Entry", "Sales Order", "Delivery Note"]},
+			{"items": ["Stock Entry", "Sales Order", "Delivery Note", "Stock Reservation Entry"]},
 		],
 	}
diff --git a/erpnext/stock/doctype/pick_list_item/pick_list_item.json b/erpnext/stock/doctype/pick_list_item/pick_list_item.json
index 2e56af3..e8e4afc 100644
--- a/erpnext/stock/doctype/pick_list_item/pick_list_item.json
+++ b/erpnext/stock/doctype/pick_list_item/pick_list_item.json
@@ -16,6 +16,7 @@
   "qty",
   "stock_qty",
   "picked_qty",
+  "stock_reserved_qty",
   "column_break_11",
   "uom",
   "conversion_factor",
@@ -46,7 +47,7 @@
    "fieldname": "picked_qty",
    "fieldtype": "Float",
    "in_list_view": 1,
-   "label": "Picked Qty"
+   "label": "Picked Qty (in Stock UOM)"
   },
   {
    "fieldname": "warehouse",
@@ -154,8 +155,7 @@
    "fieldtype": "Data",
    "hidden": 1,
    "label": "Sales Order Item",
-   "read_only": 1,
-   "search_index": 1
+   "read_only": 1
   },
   {
    "fieldname": "serial_no_and_batch_section",
@@ -207,6 +207,17 @@
    "fieldname": "pick_serial_and_batch",
    "fieldtype": "Button",
    "label": "Pick Serial / Batch No"
+  },
+  {
+   "default": "0",
+   "fieldname": "stock_reserved_qty",
+   "fieldtype": "Float",
+   "label": "Stock Reserved Qty (in Stock UOM)",
+   "no_copy": 1,
+   "non_negative": 1,
+   "print_hide": 1,
+   "read_only": 1,
+   "report_hide": 1
   }
  ],
  "istable": 1,
diff --git a/erpnext/stock/doctype/serial_and_batch_bundle/serial_and_batch_bundle.py b/erpnext/stock/doctype/serial_and_batch_bundle/serial_and_batch_bundle.py
index 1f90c5b..96e4a55 100644
--- a/erpnext/stock/doctype/serial_and_batch_bundle/serial_and_batch_bundle.py
+++ b/erpnext/stock/doctype/serial_and_batch_bundle/serial_and_batch_bundle.py
@@ -66,7 +66,7 @@
 		serial_nos = [d.serial_no for d in self.entries if d.serial_no]
 		kwargs = {"item_code": self.item_code, "warehouse": self.warehouse}
 		if self.voucher_type == "POS Invoice":
-			kwargs["ignore_voucher_no"] = self.voucher_no
+			kwargs["ignore_voucher_nos"] = [self.voucher_no]
 
 		available_serial_nos = get_available_serial_nos(frappe._dict(kwargs))
 
@@ -1098,8 +1098,8 @@
 	if kwargs.warehouse:
 		filters["warehouse"] = kwargs.warehouse
 
-	# Since SLEs are not present against POS invoices, need to ignore serial nos present in the POS invoice
-	ignore_serial_nos = get_reserved_serial_nos_for_pos(kwargs)
+	# Since SLEs are not present against Reserved Stock [POS invoices, SRE], need to ignore reserved serial nos.
+	ignore_serial_nos = get_reserved_serial_nos(kwargs)
 
 	# To ignore serial nos in the same record for the draft state
 	if kwargs.get("ignore_serial_nos"):
@@ -1180,6 +1180,20 @@
 	return serial_nos
 
 
+def get_reserved_serial_nos(kwargs) -> list:
+	"""Returns a list of `Serial No` reserved in POS Invoice and Stock Reservation Entry."""
+
+	ignore_serial_nos = []
+
+	# Extend the list by serial nos reserved in POS Invoice
+	ignore_serial_nos.extend(get_reserved_serial_nos_for_pos(kwargs))
+
+	# Extend the list by serial nos reserved via SRE
+	ignore_serial_nos.extend(get_reserved_serial_nos_for_sre(kwargs))
+
+	return ignore_serial_nos
+
+
 def get_reserved_serial_nos_for_pos(kwargs):
 	from erpnext.controllers.sales_and_purchase_return import get_returned_serial_nos
 	from erpnext.stock.doctype.serial_no.serial_no import get_serial_nos
@@ -1199,7 +1213,7 @@
 			["POS Invoice", "docstatus", "=", 1],
 			["POS Invoice", "is_return", "=", 0],
 			["POS Invoice Item", "item_code", "=", kwargs.item_code],
-			["POS Invoice", "name", "!=", kwargs.ignore_voucher_no],
+			["POS Invoice", "name", "not in", kwargs.ignore_voucher_nos],
 		],
 	)
 
@@ -1251,7 +1265,37 @@
 	return list(ignore_serial_nos_counter - returned_serial_nos_counter)
 
 
-def get_reserved_batches_for_pos(kwargs):
+def get_reserved_serial_nos_for_sre(kwargs) -> list:
+	"""Returns a list of `Serial No` reserved in Stock Reservation Entry."""
+
+	sre = frappe.qb.DocType("Stock Reservation Entry")
+	sb_entry = frappe.qb.DocType("Serial and Batch Entry")
+	query = (
+		frappe.qb.from_(sre)
+		.inner_join(sb_entry)
+		.on(sre.name == sb_entry.parent)
+		.select(sb_entry.serial_no)
+		.where(
+			(sre.docstatus == 1)
+			& (sre.item_code == kwargs.item_code)
+			& (sre.reserved_qty >= sre.delivered_qty)
+			& (sre.status.notin(["Delivered", "Cancelled"]))
+			& (sre.reservation_based_on == "Serial and Batch")
+		)
+	)
+
+	if kwargs.warehouse:
+		query = query.where(sre.warehouse == kwargs.warehouse)
+
+	if kwargs.ignore_voucher_nos:
+		query = query.where(sre.name.notin(kwargs.ignore_voucher_nos))
+
+	return [row[0] for row in query.run()]
+
+
+def get_reserved_batches_for_pos(kwargs) -> dict:
+	"""Returns a dict of `Batch No` followed by the `Qty` reserved in POS Invoices."""
+
 	pos_batches = frappe._dict()
 	pos_invoices = frappe.get_all(
 		"POS Invoice",
@@ -1267,7 +1311,7 @@
 			["POS Invoice", "consolidated_invoice", "is", "not set"],
 			["POS Invoice", "docstatus", "=", 1],
 			["POS Invoice Item", "item_code", "=", kwargs.item_code],
-			["POS Invoice", "name", "!=", kwargs.ignore_voucher_no],
+			["POS Invoice", "name", "not in", kwargs.ignore_voucher_nos],
 		],
 	)
 
@@ -1278,7 +1322,7 @@
 	]
 
 	if not ids:
-		return []
+		return {}
 
 	if ids:
 		for d in get_serial_batch_ledgers(kwargs.item_code, docstatus=1, name=ids):
@@ -1314,14 +1358,65 @@
 	return pos_batches
 
 
+def get_reserved_batches_for_sre(kwargs) -> dict:
+	"""Returns a dict of `Batch No` followed by the `Qty` reserved in Stock Reservation Entry."""
+
+	sre = frappe.qb.DocType("Stock Reservation Entry")
+	sb_entry = frappe.qb.DocType("Serial and Batch Entry")
+	query = (
+		frappe.qb.from_(sre)
+		.inner_join(sb_entry)
+		.on(sre.name == sb_entry.parent)
+		.select(
+			sb_entry.batch_no, sre.warehouse, (-1 * Sum(sb_entry.qty - sb_entry.delivered_qty)).as_("qty")
+		)
+		.where(
+			(sre.docstatus == 1)
+			& (sre.item_code == kwargs.item_code)
+			& (sre.reserved_qty >= sre.delivered_qty)
+			& (sre.status.notin(["Delivered", "Cancelled"]))
+			& (sre.reservation_based_on == "Serial and Batch")
+		)
+		.groupby(sb_entry.batch_no, sre.warehouse)
+	)
+
+	if kwargs.batch_no:
+		if isinstance(kwargs.batch_no, list):
+			query = query.where(sb_entry.batch_no.isin(kwargs.batch_no))
+		else:
+			query = query.where(sb_entry.batch_no == kwargs.batch_no)
+
+	if kwargs.warehouse:
+		query = query.where(sre.warehouse == kwargs.warehouse)
+
+	if kwargs.ignore_voucher_nos:
+		query = query.where(sre.name.notin(kwargs.ignore_voucher_nos))
+
+	data = query.run(as_dict=True)
+
+	reserved_batches_details = frappe._dict()
+	if data:
+		reserved_batches_details = frappe._dict(
+			{
+				(d.batch_no, d.warehouse): frappe._dict({"warehouse": d.warehouse, "qty": d.qty}) for d in data
+			}
+		)
+
+	return reserved_batches_details
+
+
 def get_auto_batch_nos(kwargs):
 	available_batches = get_available_batches(kwargs)
 	qty = flt(kwargs.qty)
 
-	pos_invoice_batches = get_reserved_batches_for_pos(kwargs)
 	stock_ledgers_batches = get_stock_ledgers_batches(kwargs)
-	if stock_ledgers_batches or pos_invoice_batches:
-		update_available_batches(available_batches, stock_ledgers_batches, pos_invoice_batches)
+	pos_invoice_batches = get_reserved_batches_for_pos(kwargs)
+	sre_reserved_batches = get_reserved_batches_for_sre(kwargs)
+
+	if stock_ledgers_batches or pos_invoice_batches or sre_reserved_batches:
+		update_available_batches(
+			available_batches, stock_ledgers_batches, pos_invoice_batches, sre_reserved_batches
+		)
 
 	available_batches = list(filter(lambda x: x.qty > 0, available_batches))
 
@@ -1364,8 +1459,8 @@
 	return batches
 
 
-def update_available_batches(available_batches, reserved_batches=None, pos_invoice_batches=None):
-	for batches in [reserved_batches, pos_invoice_batches]:
+def update_available_batches(available_batches, *reserved_batches) -> None:
+	for batches in reserved_batches:
 		if batches:
 			for key, data in batches.items():
 				batch_no, warehouse = key
diff --git a/erpnext/stock/doctype/serial_and_batch_entry/serial_and_batch_entry.json b/erpnext/stock/doctype/serial_and_batch_entry/serial_and_batch_entry.json
index 6ec2129..09565cb 100644
--- a/erpnext/stock/doctype/serial_and_batch_entry/serial_and_batch_entry.json
+++ b/erpnext/stock/doctype/serial_and_batch_entry/serial_and_batch_entry.json
@@ -10,6 +10,7 @@
   "column_break_2",
   "qty",
   "warehouse",
+  "delivered_qty",
   "section_break_6",
   "incoming_rate",
   "column_break_8",
@@ -104,12 +105,24 @@
    "fieldtype": "Small Text",
    "label": "FIFO Stock Queue (qty, rate)",
    "read_only": 1
+  },
+  {
+   "default": "0",
+   "depends_on": "eval: parent.doctype == \"Stock Reservation Entry\"",
+   "fieldname": "delivered_qty",
+   "fieldtype": "Float",
+   "label": "Delivered Qty",
+   "no_copy": 1,
+   "non_negative": 1,
+   "print_hide": 1,
+   "read_only": 1,
+   "report_hide": 1
   }
  ],
  "index_web_pages_for_search": 1,
  "istable": 1,
  "links": [],
- "modified": "2023-03-31 11:18:59.809486",
+ "modified": "2023-07-03 15:29:50.199075",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Serial and Batch Entry",
diff --git a/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.py b/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.py
index f009bd4..26ca012 100644
--- a/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.py
+++ b/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.py
@@ -346,7 +346,7 @@
 		"""Raises an exception if there is any reserved stock for the items in the Stock Reconciliation."""
 
 		from erpnext.stock.doctype.stock_reservation_entry.stock_reservation_entry import (
-			get_sre_reserved_qty_details_for_item_and_warehouse as get_sre_reserved_qty_details,
+			get_sre_reserved_qty_for_item_and_warehouse as get_sre_reserved_qty_details,
 		)
 
 		item_code_list, warehouse_list = [], []
diff --git a/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry.js b/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry.js
index 666fd24..4d96636 100644
--- a/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry.js
+++ b/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry.js
@@ -3,6 +3,124 @@
 
 frappe.ui.form.on("Stock Reservation Entry", {
 	refresh(frm) {
-        frm.page.btn_primary.hide()
+		frm.trigger("set_queries");
+		frm.trigger("toggle_read_only_fields");
+		frm.trigger("hide_rate_related_fields");
+		frm.trigger("hide_primary_action_button");
+		frm.trigger("make_sb_entries_warehouse_read_only");
+	},
+
+	has_serial_no(frm) {
+		frm.trigger("toggle_read_only_fields");
+	},
+
+	has_batch_no(frm) {
+		frm.trigger("toggle_read_only_fields");
+	},
+
+	warehouse(frm) {
+		if (frm.doc.warehouse) {
+			frm.doc.sb_entries.forEach((row) => {
+				frappe.model.set_value(row.doctype, row.name, "warehouse", frm.doc.warehouse);
+			});
+		}
+	},
+
+	set_queries(frm) {
+		frm.set_query("warehouse", () => {
+			return {
+				filters: {
+					"is_group": 0,
+					"company": frm.doc.company,
+				}
+			};
+		});
+
+		frm.set_query("serial_no", "sb_entries", function(doc, cdt, cdn) {
+			var selected_serial_nos = doc.sb_entries.map(row => {
+				return row.serial_no;
+			});
+			var row = locals[cdt][cdn];
+			return {
+				filters: {
+					item_code: doc.item_code,
+					warehouse: row.warehouse,
+					status: "Active",
+					name: ["not in", selected_serial_nos],
+				}
+			}
+		});
+
+		frm.set_query("batch_no", "sb_entries", function(doc, cdt, cdn) {
+			let filters = {
+				item: doc.item_code,
+				batch_qty: [">", 0],
+				disabled: 0,
+			}
+
+			if (!doc.has_serial_no) {
+				var selected_batch_nos = doc.sb_entries.map(row => {
+					return row.batch_no;
+				});
+
+				filters.name = ["not in", selected_batch_nos];
+			}
+
+			return { filters: filters }
+		});
+	},
+
+	toggle_read_only_fields(frm) {
+		if (frm.doc.has_serial_no) {
+			frm.doc.sb_entries.forEach(row => {
+				if (row.qty !== 1) {
+					frappe.model.set_value(row.doctype, row.name, "qty", 1);
+				}
+			})
+		}
+
+		frm.fields_dict.sb_entries.grid.update_docfield_property(
+			"serial_no", "read_only", !frm.doc.has_serial_no
+		);
+
+		frm.fields_dict.sb_entries.grid.update_docfield_property(
+			"batch_no", "read_only", !frm.doc.has_batch_no
+		);
+
+		// Qty will always be 1 for Serial No.
+		frm.fields_dict.sb_entries.grid.update_docfield_property(
+			"qty", "read_only", frm.doc.has_serial_no
+		);
+
+		frm.set_df_property("sb_entries", "allow_on_submit", frm.doc.against_pick_list ? 0 : 1);
+	},
+
+	hide_rate_related_fields(frm) {
+		["incoming_rate", "outgoing_rate", "stock_value_difference", "is_outward", "stock_queue"].forEach(field => {
+			frm.fields_dict.sb_entries.grid.update_docfield_property(
+				field, "hidden", 1
+			);
+		});
+	},
+
+	hide_primary_action_button(frm) {
+		// Hide "Amend" button on cancelled document
+		if (frm.doc.docstatus == 2) {
+			frm.page.btn_primary.hide()
+		}
+	},
+
+	make_sb_entries_warehouse_read_only(frm) {
+		frm.fields_dict.sb_entries.grid.update_docfield_property(
+			"warehouse", "read_only", 1
+		);
 	},
 });
+
+frappe.ui.form.on("Serial and Batch Entry", {
+	sb_entries_add(frm, cdt, cdn) {
+		if (frm.doc.warehouse) {
+			frappe.model.set_value(cdt, cdn, "warehouse", frm.doc.warehouse);
+		}
+	},
+});
\ No newline at end of file
diff --git a/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry.json b/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry.json
index 7c7abac..5c3018f 100644
--- a/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry.json
+++ b/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry.json
@@ -2,7 +2,7 @@
  "actions": [],
  "allow_copy": 1,
  "autoname": "MAT-SRE-.YYYY.-.#####",
- "creation": "2023-03-20 10:45:59.258959",
+ "creation": "2023-06-06 15:20:48.016846",
  "default_view": "List",
  "doctype": "DocType",
  "editable_grid": 1,
@@ -10,17 +10,26 @@
  "field_order": [
   "item_code",
   "warehouse",
+  "has_serial_no",
+  "has_batch_no",
   "column_break_elik",
   "voucher_type",
   "voucher_no",
   "voucher_detail_no",
+  "column_break_7dxj",
+  "against_pick_list",
+  "against_pick_list_item",
   "section_break_xt4m",
+  "stock_uom",
+  "column_break_grdt",
   "available_qty",
   "voucher_qty",
-  "stock_uom",
   "column_break_o6ex",
   "reserved_qty",
   "delivered_qty",
+  "serial_and_batch_reservation_section",
+  "reservation_based_on",
+  "sb_entries",
   "section_break_3vb3",
   "company",
   "column_break_jbyr",
@@ -36,6 +45,7 @@
    "in_list_view": 1,
    "in_standard_filter": 1,
    "label": "Item Code",
+   "no_copy": 1,
    "oldfieldname": "item_code",
    "oldfieldtype": "Link",
    "options": "Item",
@@ -51,6 +61,7 @@
    "in_list_view": 1,
    "in_standard_filter": 1,
    "label": "Warehouse",
+   "no_copy": 1,
    "oldfieldname": "warehouse",
    "oldfieldtype": "Link",
    "options": "Warehouse",
@@ -64,6 +75,7 @@
    "fieldtype": "Select",
    "in_filter": 1,
    "label": "Voucher Type",
+   "no_copy": 1,
    "oldfieldname": "voucher_type",
    "oldfieldtype": "Data",
    "options": "\nSales Order",
@@ -78,17 +90,20 @@
    "in_list_view": 1,
    "in_standard_filter": 1,
    "label": "Voucher No",
+   "no_copy": 1,
    "oldfieldname": "voucher_no",
    "oldfieldtype": "Data",
    "options": "voucher_type",
    "print_width": "150px",
    "read_only": 1,
+   "search_index": 1,
    "width": "150px"
   },
   {
    "fieldname": "voucher_detail_no",
    "fieldtype": "Data",
    "label": "Voucher Detail No",
+   "no_copy": 1,
    "oldfieldname": "voucher_detail_no",
    "oldfieldtype": "Data",
    "print_width": "150px",
@@ -100,6 +115,7 @@
    "fieldname": "stock_uom",
    "fieldtype": "Link",
    "label": "Stock UOM",
+   "no_copy": 1,
    "oldfieldname": "stock_uom",
    "oldfieldtype": "Data",
    "options": "UOM",
@@ -111,14 +127,17 @@
    "fieldname": "project",
    "fieldtype": "Link",
    "label": "Project",
+   "no_copy": 1,
    "options": "Project",
-   "read_only": 1
+   "read_only": 1,
+   "search_index": 1
   },
   {
    "fieldname": "company",
    "fieldtype": "Link",
    "in_filter": 1,
    "label": "Company",
+   "no_copy": 1,
    "oldfieldname": "company",
    "oldfieldtype": "Data",
    "options": "Company",
@@ -128,23 +147,26 @@
    "width": "150px"
   },
   {
+   "allow_on_submit": 1,
    "fieldname": "reserved_qty",
    "fieldtype": "Float",
    "in_filter": 1,
    "in_list_view": 1,
    "label": "Reserved Qty",
+   "no_copy": 1,
+   "non_negative": 1,
    "oldfieldname": "actual_qty",
    "oldfieldtype": "Currency",
    "print_width": "150px",
-   "read_only": 1,
+   "read_only_depends_on": "eval: ((doc.reservation_based_on == \"Serial and Batch\") || (doc.against_pick_list) || (doc.delivered_qty > 0))",
    "width": "150px"
   },
   {
    "default": "Draft",
    "fieldname": "status",
    "fieldtype": "Select",
-   "hidden": 1,
    "label": "Status",
+   "no_copy": 1,
    "options": "Draft\nPartially Reserved\nReserved\nPartially Delivered\nDelivered\nCancelled",
    "read_only": 1
   },
@@ -153,6 +175,8 @@
    "fieldname": "delivered_qty",
    "fieldtype": "Float",
    "label": "Delivered Qty",
+   "no_copy": 1,
+   "non_negative": 1,
    "read_only": 1
   },
   {
@@ -170,6 +194,7 @@
    "fieldtype": "Float",
    "label": "Available Qty to Reserve",
    "no_copy": 1,
+   "non_negative": 1,
    "read_only": 1
   },
   {
@@ -178,6 +203,7 @@
    "fieldtype": "Float",
    "label": "Voucher Qty",
    "no_copy": 1,
+   "non_negative": 1,
    "read_only": 1
   },
   {
@@ -193,12 +219,84 @@
    "fieldtype": "Column Break"
   },
   {
+   "collapsible": 1,
    "fieldname": "section_break_3vb3",
-   "fieldtype": "Section Break"
+   "fieldtype": "Section Break",
+   "label": "More Information"
   },
   {
    "fieldname": "column_break_jbyr",
    "fieldtype": "Column Break"
+  },
+  {
+   "default": "0",
+   "depends_on": "eval: doc.has_serial_no",
+   "fieldname": "has_serial_no",
+   "fieldtype": "Check",
+   "label": "Has Serial No",
+   "no_copy": 1,
+   "read_only": 1
+  },
+  {
+   "default": "0",
+   "depends_on": "eval: doc.has_batch_no",
+   "fieldname": "has_batch_no",
+   "fieldtype": "Check",
+   "label": "Has Batch No",
+   "no_copy": 1,
+   "read_only": 1
+  },
+  {
+   "allow_on_submit": 1,
+   "depends_on": "eval: (doc.has_serial_no || doc.has_batch_no) && doc.reservation_based_on == \"Serial and Batch\"",
+   "fieldname": "sb_entries",
+   "fieldtype": "Table",
+   "options": "Serial and Batch Entry",
+   "read_only_depends_on": "eval: (doc.delivered_qty > 0)"
+  },
+  {
+   "fieldname": "serial_and_batch_reservation_section",
+   "fieldtype": "Section Break",
+   "label": "Serial and Batch Reservation"
+  },
+  {
+   "allow_on_submit": 1,
+   "default": "Qty",
+   "depends_on": "eval: parent.has_serial_no || parent.has_batch_no",
+   "fieldname": "reservation_based_on",
+   "fieldtype": "Select",
+   "label": "Reservation Based On",
+   "no_copy": 1,
+   "options": "Qty\nSerial and Batch",
+   "read_only_depends_on": "eval: (doc.delivered_qty > 0 || doc.against_pick_list)"
+  },
+  {
+   "fieldname": "against_pick_list",
+   "fieldtype": "Link",
+   "label": "Against Pick List",
+   "no_copy": 1,
+   "options": "Pick List",
+   "print_hide": 1,
+   "read_only": 1,
+   "report_hide": 1,
+   "search_index": 1
+  },
+  {
+   "fieldname": "against_pick_list_item",
+   "fieldtype": "Data",
+   "label": "Against Pick List Item",
+   "no_copy": 1,
+   "print_hide": 1,
+   "read_only": 1,
+   "report_hide": 1
+  },
+  {
+   "fieldname": "column_break_7dxj",
+   "fieldtype": "Column Break"
+  },
+  {
+   "fieldname": "column_break_grdt",
+   "fieldtype": "Column Break"
   }
  ],
  "hide_toolbar": 1,
@@ -206,7 +304,7 @@
  "index_web_pages_for_search": 1,
  "is_submittable": 1,
  "links": [],
- "modified": "2023-03-29 18:36:26.752872",
+ "modified": "2023-08-08 17:15:13.317706",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Stock Reservation Entry",
@@ -230,5 +328,6 @@
  ],
  "sort_field": "modified",
  "sort_order": "DESC",
- "states": []
+ "states": [],
+ "track_changes": 1
 }
\ No newline at end of file
diff --git a/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry.py b/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry.py
index 5819dd7..bd7bb66 100644
--- a/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry.py
+++ b/erpnext/stock/doctype/stock_reservation_entry/stock_reservation_entry.py
@@ -5,27 +5,57 @@
 from frappe import _
 from frappe.model.document import Document
 from frappe.query_builder.functions import Sum
+from frappe.utils import cint, flt
 
 
 class StockReservationEntry(Document):
 	def validate(self) -> None:
 		from erpnext.stock.utils import validate_disabled_warehouse, validate_warehouse_company
 
+		self.validate_amended_doc()
 		self.validate_mandatory()
 		self.validate_for_group_warehouse()
 		validate_disabled_warehouse(self.warehouse)
 		validate_warehouse_company(self.warehouse, self.company)
+		self.validate_uom_is_integer()
+
+	def before_submit(self) -> None:
+		self.set_reservation_based_on()
+		self.validate_reservation_based_on_qty()
+		self.auto_reserve_serial_and_batch()
+		self.validate_reservation_based_on_serial_and_batch()
 
 	def on_submit(self) -> None:
 		self.update_reserved_qty_in_voucher()
+		self.update_reserved_qty_in_pick_list()
 		self.update_status()
 
+	def on_update_after_submit(self) -> None:
+		self.can_be_updated()
+		self.validate_uom_is_integer()
+		self.set_reservation_based_on()
+		self.validate_reservation_based_on_qty()
+		self.validate_reservation_based_on_serial_and_batch()
+		self.update_reserved_qty_in_voucher()
+		self.update_status()
+		self.reload()
+
 	def on_cancel(self) -> None:
 		self.update_reserved_qty_in_voucher()
+		self.update_reserved_qty_in_pick_list()
 		self.update_status()
 
+	def validate_amended_doc(self) -> None:
+		"""Raises an exception if document is amended."""
+
+		if self.amended_from:
+			msg = _("Cannot amend {0} {1}, please create a new one instead.").format(
+				self.doctype, frappe.bold(self.amended_from)
+			)
+			frappe.throw(msg)
+
 	def validate_mandatory(self) -> None:
-		"""Raises exception if mandatory fields are not set."""
+		"""Raises an exception if mandatory fields are not set."""
 
 		mandatory = [
 			"item_code",
@@ -41,36 +71,217 @@
 		]
 		for d in mandatory:
 			if not self.get(d):
-				frappe.throw(_("{0} is required").format(self.meta.get_label(d)))
+				msg = _("{0} is required").format(self.meta.get_label(d))
+				frappe.throw(msg)
 
 	def validate_for_group_warehouse(self) -> None:
-		"""Raises exception if `Warehouse` is a Group Warehouse."""
+		"""Raises an exception if `Warehouse` is a Group Warehouse."""
 
 		if frappe.get_cached_value("Warehouse", self.warehouse, "is_group"):
-			frappe.throw(
-				_("Stock cannot be reserved in group warehouse {0}.").format(frappe.bold(self.warehouse)),
-				title=_("Invalid Warehouse"),
+			msg = _("Stock cannot be reserved in group warehouse {0}.").format(frappe.bold(self.warehouse))
+			frappe.throw(msg, title=_("Invalid Warehouse"))
+
+	def validate_uom_is_integer(self) -> None:
+		"""Validates `Reserved Qty` with Stock UOM."""
+
+		if cint(frappe.db.get_value("UOM", self.stock_uom, "must_be_whole_number", cache=True)):
+			if cint(self.reserved_qty) != flt(self.reserved_qty, self.precision("reserved_qty")):
+				msg = _(
+					"Reserved Qty ({0}) cannot be a fraction. To allow this, disable '{1}' in UOM {3}."
+				).format(
+					flt(self.reserved_qty, self.precision("reserved_qty")),
+					frappe.bold(_("Must be Whole Number")),
+					frappe.bold(self.stock_uom),
+				)
+				frappe.throw(msg)
+
+	def set_reservation_based_on(self) -> None:
+		"""Sets `Reservation Based On` based on `Has Serial No` and `Has Batch No`."""
+
+		if (self.reservation_based_on == "Serial and Batch") and (
+			not self.has_serial_no and not self.has_batch_no
+		):
+			self.db_set("reservation_based_on", "Qty")
+
+	def validate_reservation_based_on_qty(self) -> None:
+		"""Validates `Reserved Qty` when `Reservation Based On` is `Qty`."""
+
+		if self.reservation_based_on == "Qty":
+			self.validate_with_max_reserved_qty(self.reserved_qty)
+
+	def auto_reserve_serial_and_batch(self, based_on: str = None) -> None:
+		"""Auto pick Serial and Batch Nos to reserve when `Reservation Based On` is `Serial and Batch`."""
+
+		if (
+			not self.against_pick_list
+			and (self.get("_action") == "submit")
+			and (self.has_serial_no or self.has_batch_no)
+			and cint(frappe.db.get_single_value("Stock Settings", "auto_reserve_serial_and_batch"))
+		):
+			from erpnext.stock.doctype.batch.batch import get_available_batches
+			from erpnext.stock.doctype.serial_no.serial_no import get_serial_nos_for_outward
+			from erpnext.stock.serial_batch_bundle import get_serial_nos_batch
+
+			self.reservation_based_on = "Serial and Batch"
+			self.sb_entries.clear()
+			kwargs = frappe._dict(
+				{
+					"item_code": self.item_code,
+					"warehouse": self.warehouse,
+					"qty": abs(self.reserved_qty) or 0,
+					"based_on": based_on
+					or frappe.db.get_single_value("Stock Settings", "pick_serial_and_batch_based_on"),
+				}
 			)
 
-	def update_status(self, status: str = None, update_modified: bool = True) -> None:
-		"""Updates status based on Voucher Qty, Reserved Qty and Delivered Qty."""
+			serial_nos, batch_nos = [], []
+			if self.has_serial_no:
+				serial_nos = get_serial_nos_for_outward(kwargs)
+			if self.has_batch_no:
+				batch_nos = get_available_batches(kwargs)
 
-		if not status:
-			if self.docstatus == 2:
-				status = "Cancelled"
-			elif self.docstatus == 1:
-				if self.reserved_qty == self.delivered_qty:
-					status = "Delivered"
-				elif self.delivered_qty and self.delivered_qty < self.reserved_qty:
-					status = "Partially Delivered"
-				elif self.reserved_qty == self.voucher_qty:
-					status = "Reserved"
-				else:
-					status = "Partially Reserved"
-			else:
-				status = "Draft"
+			if serial_nos:
+				serial_no_wise_batch = frappe._dict({})
 
-		frappe.db.set_value(self.doctype, self.name, "status", status, update_modified=update_modified)
+				if self.has_batch_no:
+					serial_no_wise_batch = get_serial_nos_batch(serial_nos)
+
+				for serial_no in serial_nos:
+					self.append(
+						"sb_entries",
+						{
+							"serial_no": serial_no,
+							"qty": 1,
+							"batch_no": serial_no_wise_batch.get(serial_no),
+							"warehouse": self.warehouse,
+						},
+					)
+			elif batch_nos:
+				for batch_no, batch_qty in batch_nos.items():
+					self.append(
+						"sb_entries",
+						{
+							"batch_no": batch_no,
+							"qty": batch_qty,
+							"warehouse": self.warehouse,
+						},
+					)
+
+	def validate_reservation_based_on_serial_and_batch(self) -> None:
+		"""Validates `Reserved Qty`, `Serial and Batch Nos` when `Reservation Based On` is `Serial and Batch`."""
+
+		if self.reservation_based_on == "Serial and Batch":
+			allow_partial_reservation = frappe.db.get_single_value(
+				"Stock Settings", "allow_partial_reservation"
+			)
+
+			available_serial_nos = []
+			if self.has_serial_no:
+				available_serial_nos = get_available_serial_nos_to_reserve(
+					self.item_code, self.warehouse, self.has_batch_no, ignore_sre=self.name
+				)
+
+				if not available_serial_nos:
+					msg = _("Stock not available for Item {0} in Warehouse {1}.").format(
+						frappe.bold(self.item_code), frappe.bold(self.warehouse)
+					)
+					frappe.throw(msg)
+
+			qty_to_be_reserved = 0
+			selected_batch_nos, selected_serial_nos = [], []
+			for entry in self.sb_entries:
+				entry.warehouse = self.warehouse
+
+				if self.has_serial_no:
+					entry.qty = 1
+
+					key = (
+						(entry.serial_no, self.warehouse, entry.batch_no)
+						if self.has_batch_no
+						else (entry.serial_no, self.warehouse)
+					)
+					if key not in available_serial_nos:
+						msg = _(
+							"Row #{0}: Serial No {1} for Item {2} is not available in {3} {4} or might be reserved in another {5}."
+						).format(
+							entry.idx,
+							frappe.bold(entry.serial_no),
+							frappe.bold(self.item_code),
+							_("Batch {0} and Warehouse").format(frappe.bold(entry.batch_no))
+							if self.has_batch_no
+							else _("Warehouse"),
+							frappe.bold(self.warehouse),
+							frappe.bold("Stock Reservation Entry"),
+						)
+
+						frappe.throw(msg)
+
+					if entry.serial_no in selected_serial_nos:
+						msg = _("Row #{0}: Serial No {1} is already selected.").format(
+							entry.idx, frappe.bold(entry.serial_no)
+						)
+						frappe.throw(msg)
+					else:
+						selected_serial_nos.append(entry.serial_no)
+
+				elif self.has_batch_no:
+					if cint(frappe.db.get_value("Batch", entry.batch_no, "disabled")):
+						msg = _(
+							"Row #{0}: Stock cannot be reserved for Item {1} against a disabled Batch {2}."
+						).format(
+							entry.idx, frappe.bold(self.item_code), frappe.bold(entry.batch_no)
+						)
+						frappe.throw(msg)
+
+					available_qty_to_reserve = get_available_qty_to_reserve(
+						self.item_code, self.warehouse, entry.batch_no, ignore_sre=self.name
+					)
+
+					if available_qty_to_reserve <= 0:
+						msg = _(
+							"Row #{0}: Stock not availabe to reserve for Item {1} against Batch {2} in Warehouse {3}."
+						).format(
+							entry.idx,
+							frappe.bold(self.item_code),
+							frappe.bold(entry.batch_no),
+							frappe.bold(self.warehouse),
+						)
+						frappe.throw(msg)
+
+					if entry.qty > available_qty_to_reserve:
+						if allow_partial_reservation:
+							entry.qty = available_qty_to_reserve
+							if self.get("_action") == "update_after_submit":
+								entry.db_update()
+						else:
+							msg = _(
+								"Row #{0}: Qty should be less than or equal to Available Qty to Reserve (Actual Qty - Reserved Qty) {1} for Iem {2} against Batch {3} in Warehouse {4}."
+							).format(
+								entry.idx,
+								frappe.bold(available_qty_to_reserve),
+								frappe.bold(self.item_code),
+								frappe.bold(entry.batch_no),
+								frappe.bold(self.warehouse),
+							)
+							frappe.throw(msg)
+
+					if entry.batch_no in selected_batch_nos:
+						msg = _("Row #{0}: Batch No {1} is already selected.").format(
+							entry.idx, frappe.bold(entry.batch_no)
+						)
+						frappe.throw(msg)
+					else:
+						selected_batch_nos.append(entry.batch_no)
+
+				qty_to_be_reserved += entry.qty
+
+			if not qty_to_be_reserved:
+				msg = _("Please select Serial/Batch Nos to reserve or change Reservation Based On to Qty.")
+				frappe.throw(msg)
+
+			# Should be called after validating Serial and Batch Nos.
+			self.validate_with_max_reserved_qty(qty_to_be_reserved)
+			self.db_set("reserved_qty", qty_to_be_reserved)
 
 	def update_reserved_qty_in_voucher(
 		self, reserved_qty_field: str = "stock_reserved_qty", update_modified: bool = True
@@ -100,45 +311,177 @@
 				update_modified=update_modified,
 			)
 
+	def update_reserved_qty_in_pick_list(
+		self, reserved_qty_field: str = "stock_reserved_qty", update_modified: bool = True
+	) -> None:
+		"""Updates total reserved qty in the Pick List."""
+
+		if self.against_pick_list and self.against_pick_list_item:
+			sre = frappe.qb.DocType("Stock Reservation Entry")
+			reserved_qty = (
+				frappe.qb.from_(sre)
+				.select(Sum(sre.reserved_qty))
+				.where(
+					(sre.docstatus == 1)
+					& (sre.against_pick_list == self.against_pick_list)
+					& (sre.against_pick_list_item == self.against_pick_list_item)
+				)
+			).run(as_list=True)[0][0] or 0
+
+			frappe.db.set_value(
+				"Pick List Item",
+				self.against_pick_list_item,
+				reserved_qty_field,
+				reserved_qty,
+				update_modified=update_modified,
+			)
+
+	def update_status(self, status: str = None, update_modified: bool = True) -> None:
+		"""Updates status based on Voucher Qty, Reserved Qty and Delivered Qty."""
+
+		if not status:
+			if self.docstatus == 2:
+				status = "Cancelled"
+			elif self.docstatus == 1:
+				if self.reserved_qty == self.delivered_qty:
+					status = "Delivered"
+				elif self.delivered_qty and self.delivered_qty < self.reserved_qty:
+					status = "Partially Delivered"
+				elif self.reserved_qty == self.voucher_qty:
+					status = "Reserved"
+				else:
+					status = "Partially Reserved"
+			else:
+				status = "Draft"
+
+		frappe.db.set_value(self.doctype, self.name, "status", status, update_modified=update_modified)
+
+	def can_be_updated(self) -> None:
+		"""Raises an exception if `Stock Reservation Entry` is not allowed to be updated."""
+
+		if self.status in ("Partially Delivered", "Delivered"):
+			msg = _(
+				"{0} {1} cannot be updated. If you need to make changes, we recommend canceling the existing entry and creating a new one."
+			).format(self.status, self.doctype)
+			frappe.throw(msg)
+
+		if self.against_pick_list:
+			msg = _(
+				"Stock Reservation Entry created against a Pick List cannot be updated. If you need to make changes, we recommend canceling the existing entry and creating a new one."
+			)
+			frappe.throw(msg)
+
+		if self.delivered_qty > 0:
+			msg = _("Stock Reservation Entry cannot be updated as it has been delivered.")
+			frappe.throw(msg)
+
+	def validate_with_max_reserved_qty(self, qty_to_be_reserved: float) -> None:
+		"""Validates `Reserved Qty` with `Max Reserved Qty`."""
+
+		self.db_set(
+			"available_qty",
+			get_available_qty_to_reserve(self.item_code, self.warehouse, ignore_sre=self.name),
+		)
+
+		total_reserved_qty = get_sre_reserved_qty_for_voucher_detail_no(
+			self.voucher_type, self.voucher_no, self.voucher_detail_no, ignore_sre=self.name
+		)
+
+		voucher_delivered_qty = 0
+		if self.voucher_type == "Sales Order":
+			delivered_qty, conversion_factor = frappe.db.get_value(
+				"Sales Order Item", self.voucher_detail_no, ["delivered_qty", "conversion_factor"]
+			)
+			voucher_delivered_qty = flt(delivered_qty) * flt(conversion_factor)
+
+		max_reserved_qty = min(
+			self.available_qty, (self.voucher_qty - voucher_delivered_qty - total_reserved_qty)
+		)
+
+		if max_reserved_qty <= 0 and self.voucher_type == "Sales Order":
+			msg = _("Item {0} is already delivered for Sales Order {1}.").format(
+				frappe.bold(self.item_code), frappe.bold(self.voucher_no)
+			)
+
+			if self.docstatus == 1:
+				self.cancel()
+				return frappe.msgprint(msg)
+			else:
+				frappe.throw(msg)
+
+		if qty_to_be_reserved > max_reserved_qty:
+			msg = """
+				Cannot reserve more than Max Reserved Qty {0} {1}.<br /><br />
+				The <b>Max Reserved Qty</b> is calculated as follows:<br />
+				<ul>
+					<li><b>Available Qty To Reserve</b> = (Actual Stock Qty - Reserved Stock Qty)</li>
+					<li><b>Voucher Qty</b> = Voucher Item Qty</li>
+					<li><b>Delivered Qty</b> = Qty delivered against the Voucher Item</li>
+					<li><b>Total Reserved Qty</b> = Qty reserved against the Voucher Item</li>
+					<li><b>Max Reserved Qty</b> = Minimum of (Available Qty To Reserve, (Voucher Qty - Delivered Qty - Total Reserved Qty))</li>
+				</ul>
+			""".format(
+				frappe.bold(max_reserved_qty), self.stock_uom
+			)
+			frappe.throw(msg)
+
+		if qty_to_be_reserved <= self.delivered_qty:
+			msg = _("Reserved Qty should be greater than Delivered Qty.")
+			frappe.throw(msg)
+
 
 def validate_stock_reservation_settings(voucher: object) -> None:
 	"""Raises an exception if `Stock Reservation` is not enabled or `Voucher Type` is not allowed."""
 
 	if not frappe.db.get_single_value("Stock Settings", "enable_stock_reservation"):
-		frappe.throw(
-			_("Please enable {0} in the {1}.").format(
-				frappe.bold("Stock Reservation"), frappe.bold("Stock Settings")
-			)
+		msg = _("Please enable {0} in the {1}.").format(
+			frappe.bold("Stock Reservation"), frappe.bold("Stock Settings")
 		)
+		frappe.throw(msg)
 
 	# Voucher types allowed for stock reservation
 	allowed_voucher_types = ["Sales Order"]
 
 	if voucher.doctype not in allowed_voucher_types:
-		frappe.throw(
-			_("Stock Reservation can only be created against {0}.").format(", ".join(allowed_voucher_types))
+		msg = _("Stock Reservation can only be created against {0}.").format(
+			", ".join(allowed_voucher_types)
 		)
+		frappe.throw(msg)
 
 
-def get_available_qty_to_reserve(item_code: str, warehouse: str) -> float:
-	"""Returns `Available Qty to Reserve (Actual Qty - Reserved Qty)` for Item and Warehouse combination."""
+def get_available_qty_to_reserve(
+	item_code: str, warehouse: str, batch_no: str = None, ignore_sre=None
+) -> float:
+	"""Returns `Available Qty to Reserve (Actual Qty - Reserved Qty)` for Item, Warehouse and Batch combination."""
 
+	from erpnext.stock.doctype.batch.batch import get_batch_qty
 	from erpnext.stock.utils import get_stock_balance
 
+	if batch_no:
+		return get_batch_qty(
+			item_code=item_code, warehouse=warehouse, batch_no=batch_no, ignore_voucher_nos=[ignore_sre]
+		)
+
 	available_qty = get_stock_balance(item_code, warehouse)
 
 	if available_qty:
 		sre = frappe.qb.DocType("Stock Reservation Entry")
-		reserved_qty = (
+		query = (
 			frappe.qb.from_(sre)
 			.select(Sum(sre.reserved_qty - sre.delivered_qty))
 			.where(
 				(sre.docstatus == 1)
 				& (sre.item_code == item_code)
 				& (sre.warehouse == warehouse)
+				& (sre.reserved_qty >= sre.delivered_qty)
 				& (sre.status.notin(["Delivered", "Cancelled"]))
 			)
-		).run()[0][0] or 0.0
+		)
+
+		if ignore_sre:
+			query = query.where(sre.name != ignore_sre)
+
+		reserved_qty = query.run()[0][0] or 0.0
 
 		if reserved_qty:
 			return available_qty - reserved_qty
@@ -146,93 +489,97 @@
 	return available_qty
 
 
-def get_stock_reservation_entries_for_voucher(
-	voucher_type: str, voucher_no: str, voucher_detail_no: str = None, fields: list[str] = None
-) -> list[dict]:
-	"""Returns list of Stock Reservation Entries against a Voucher."""
+def get_available_serial_nos_to_reserve(
+	item_code: str, warehouse: str, has_batch_no: bool = False, ignore_sre=None
+) -> list[tuple]:
+	"""Returns Available Serial Nos to Reserve (Available Serial Nos - Reserved Serial Nos)` for Item, Warehouse and Batch combination."""
 
-	if not fields or not isinstance(fields, list):
-		fields = [
-			"name",
-			"item_code",
-			"warehouse",
-			"voucher_detail_no",
-			"reserved_qty",
-			"delivered_qty",
-			"stock_uom",
-		]
-
-	sre = frappe.qb.DocType("Stock Reservation Entry")
-	query = (
-		frappe.qb.from_(sre)
-		.where(
-			(sre.docstatus == 1)
-			& (sre.voucher_type == voucher_type)
-			& (sre.voucher_no == voucher_no)
-			& (sre.status.notin(["Delivered", "Cancelled"]))
-		)
-		.orderby(sre.creation)
+	from erpnext.stock.doctype.serial_and_batch_bundle.serial_and_batch_bundle import (
+		get_available_serial_nos,
 	)
 
-	for field in fields:
-		query = query.select(sre[field])
+	available_serial_nos = get_available_serial_nos(
+		frappe._dict(
+			{
+				"item_code": item_code,
+				"warehouse": warehouse,
+				"has_batch_no": has_batch_no,
+				"ignore_voucher_nos": [ignore_sre],
+			}
+		)
+	)
 
-	if voucher_detail_no:
-		query = query.where(sre.voucher_detail_no == voucher_detail_no)
+	available_serial_nos_list = []
+	if available_serial_nos:
+		available_serial_nos_list = [tuple(d.values()) for d in available_serial_nos]
 
-	return query.run(as_dict=True)
-
-
-def get_sre_reserved_qty_details_for_item_and_warehouse(
-	item_code_list: list, warehouse_list: list
-) -> dict:
-	"""Returns a dict like {("item_code", "warehouse"): "reserved_qty", ... }."""
-
-	sre_details = {}
-
-	if item_code_list and warehouse_list:
 		sre = frappe.qb.DocType("Stock Reservation Entry")
-		sre_data = (
+		sb_entry = frappe.qb.DocType("Serial and Batch Entry")
+		query = (
 			frappe.qb.from_(sre)
-			.select(
-				sre.item_code,
-				sre.warehouse,
-				Sum(sre.reserved_qty - sre.delivered_qty).as_("reserved_qty"),
-			)
-			.where(
-				(sre.docstatus == 1)
-				& (sre.item_code.isin(item_code_list))
-				& (sre.warehouse.isin(warehouse_list))
-				& (sre.status.notin(["Delivered", "Cancelled"]))
-			)
-			.groupby(sre.item_code, sre.warehouse)
-		).run(as_dict=True)
-
-		if sre_data:
-			sre_details = {(d["item_code"], d["warehouse"]): d["reserved_qty"] for d in sre_data}
-
-	return sre_details
-
-
-def get_sre_reserved_qty_for_item_and_warehouse(item_code: str, warehouse: str) -> float:
-	"""Returns `Reserved Qty` for Item and Warehouse combination."""
-
-	reserved_qty = 0.0
-
-	if item_code and warehouse:
-		sre = frappe.qb.DocType("Stock Reservation Entry")
-		return (
-			frappe.qb.from_(sre)
-			.select(Sum(sre.reserved_qty - sre.delivered_qty))
+			.left_join(sb_entry)
+			.on(sre.name == sb_entry.parent)
+			.select(sb_entry.serial_no, sre.warehouse)
 			.where(
 				(sre.docstatus == 1)
 				& (sre.item_code == item_code)
 				& (sre.warehouse == warehouse)
+				& (sre.reserved_qty >= sre.delivered_qty)
 				& (sre.status.notin(["Delivered", "Cancelled"]))
+				& (sre.reservation_based_on == "Serial and Batch")
 			)
-		).run(as_list=True)[0][0] or 0.0
+		)
 
-	return reserved_qty
+		if has_batch_no:
+			query = query.select(sb_entry.batch_no)
+
+		if ignore_sre:
+			query = query.where(sre.name != ignore_sre)
+
+		reserved_serial_nos = query.run()
+
+		if reserved_serial_nos:
+			return list(set(available_serial_nos_list) - set(reserved_serial_nos))
+
+	return available_serial_nos_list
+
+
+def get_sre_reserved_qty_for_item_and_warehouse(
+	item_code: str | list, warehouse: str | list = None
+) -> float | dict:
+	"""Returns `Reserved Qty` for Item and Warehouse combination OR a dict like {("item_code", "warehouse"): "reserved_qty", ... }."""
+
+	sre = frappe.qb.DocType("Stock Reservation Entry")
+	query = (
+		frappe.qb.from_(sre)
+		.select(
+			sre.item_code,
+			sre.warehouse,
+			Sum(sre.reserved_qty - sre.delivered_qty).as_("reserved_qty"),
+		)
+		.where((sre.docstatus == 1) & (sre.status.notin(["Delivered", "Cancelled"])))
+		.groupby(sre.item_code, sre.warehouse)
+	)
+
+	query = (
+		query.where(sre.item_code.isin(item_code))
+		if isinstance(item_code, list)
+		else query.where(sre.item_code == item_code)
+	)
+
+	if warehouse:
+		query = (
+			query.where(sre.warehouse.isin(warehouse))
+			if isinstance(warehouse, list)
+			else query.where(sre.warehouse == warehouse)
+		)
+
+	data = query.run(as_dict=True)
+
+	if isinstance(item_code, str) and isinstance(warehouse, str):
+		return data[0]["reserved_qty"] if data else 0.0
+	else:
+		return {(d["item_code"], d["warehouse"]): d["reserved_qty"] for d in data} if data else {}
 
 
 def get_sre_reserved_qty_details_for_voucher(voucher_type: str, voucher_no: str) -> dict:
@@ -257,15 +604,44 @@
 	return frappe._dict(data)
 
 
-def get_sre_reserved_qty_details_for_voucher_detail_no(
-	voucher_type: str, voucher_no: str, voucher_detail_no: str
+def get_sre_reserved_warehouses_for_voucher(
+	voucher_type: str, voucher_no: str, voucher_detail_no: str = None
 ) -> list:
-	"""Returns a list like ["warehouse", "reserved_qty"]."""
+	"""Returns a list of warehouses where the stock is reserved for the provided voucher."""
 
 	sre = frappe.qb.DocType("Stock Reservation Entry")
-	reserved_qty_details = (
+	query = (
 		frappe.qb.from_(sre)
-		.select(sre.warehouse, (Sum(sre.reserved_qty) - Sum(sre.delivered_qty)))
+		.select(sre.warehouse)
+		.distinct()
+		.where(
+			(sre.docstatus == 1)
+			& (sre.voucher_type == voucher_type)
+			& (sre.voucher_no == voucher_no)
+			& (sre.status.notin(["Delivered", "Cancelled"]))
+		)
+		.orderby(sre.creation)
+	)
+
+	if voucher_detail_no:
+		query = query.where(sre.voucher_detail_no == voucher_detail_no)
+
+	warehouses = query.run(as_list=True)
+
+	return [d[0] for d in warehouses] if warehouses else []
+
+
+def get_sre_reserved_qty_for_voucher_detail_no(
+	voucher_type: str, voucher_no: str, voucher_detail_no: str, ignore_sre=None
+) -> float:
+	"""Returns `Reserved Qty` against the Voucher."""
+
+	sre = frappe.qb.DocType("Stock Reservation Entry")
+	query = (
+		frappe.qb.from_(sre)
+		.select(
+			(Sum(sre.reserved_qty) - Sum(sre.delivered_qty)),
+		)
 		.where(
 			(sre.docstatus == 1)
 			& (sre.voucher_type == voucher_type)
@@ -273,40 +649,366 @@
 			& (sre.voucher_detail_no == voucher_detail_no)
 			& (sre.status.notin(["Delivered", "Cancelled"]))
 		)
+	)
+
+	if ignore_sre:
+		query = query.where(sre.name != ignore_sre)
+
+	reserved_qty = query.run(as_list=True)
+
+	return flt(reserved_qty[0][0])
+
+
+def get_sre_details_for_voucher(voucher_type: str, voucher_no: str) -> list[dict]:
+	"""Returns a list of SREs for the provided voucher."""
+
+	sre = frappe.qb.DocType("Stock Reservation Entry")
+	return (
+		frappe.qb.from_(sre)
+		.select(
+			sre.name,
+			sre.item_code,
+			sre.warehouse,
+			sre.voucher_type,
+			sre.voucher_no,
+			sre.voucher_detail_no,
+			(sre.reserved_qty - sre.delivered_qty).as_("reserved_qty"),
+			sre.has_serial_no,
+			sre.has_batch_no,
+			sre.reservation_based_on,
+		)
+		.where(
+			(sre.docstatus == 1)
+			& (sre.voucher_type == voucher_type)
+			& (sre.voucher_no == voucher_no)
+			& (sre.reserved_qty > sre.delivered_qty)
+			& (sre.status.notin(["Delivered", "Cancelled"]))
+		)
 		.orderby(sre.creation)
-		.groupby(sre.warehouse)
-	).run(as_list=True)
+	).run(as_dict=True)
 
-	if reserved_qty_details:
-		return reserved_qty_details[0]
 
-	return reserved_qty_details
+def get_serial_batch_entries_for_voucher(sre_name: str) -> list[dict]:
+	"""Returns a list of `Serial and Batch Entries` for the provided voucher."""
+
+	sre = frappe.qb.DocType("Stock Reservation Entry")
+	sb_entry = frappe.qb.DocType("Serial and Batch Entry")
+
+	return (
+		frappe.qb.from_(sre)
+		.inner_join(sb_entry)
+		.on(sre.name == sb_entry.parent)
+		.select(
+			sb_entry.serial_no,
+			sb_entry.batch_no,
+			(sb_entry.qty - sb_entry.delivered_qty).as_("qty"),
+		)
+		.where(
+			(sre.docstatus == 1) & (sre.name == sre_name) & (sre.status.notin(["Delivered", "Cancelled"]))
+		)
+		.where(sb_entry.qty > sb_entry.delivered_qty)
+		.orderby(sb_entry.creation)
+	).run(as_dict=True)
+
+
+def get_ssb_bundle_for_voucher(sre: dict) -> object | None:
+	"""Returns a new `Serial and Batch Bundle` against the provided SRE."""
+
+	sb_entries = get_serial_batch_entries_for_voucher(sre["name"])
+
+	if sb_entries:
+		bundle = frappe.new_doc("Serial and Batch Bundle")
+		bundle.type_of_transaction = "Outward"
+		bundle.voucher_type = "Delivery Note"
+
+		for field in ("item_code", "warehouse", "has_serial_no", "has_batch_no"):
+			setattr(bundle, field, sre[field])
+
+		for sb_entry in sb_entries:
+			bundle.append("entries", sb_entry)
+
+		bundle.save()
+
+		return bundle.name
 
 
 def has_reserved_stock(voucher_type: str, voucher_no: str, voucher_detail_no: str = None) -> bool:
 	"""Returns True if there is any Stock Reservation Entry for the given voucher."""
 
 	if get_stock_reservation_entries_for_voucher(
-		voucher_type, voucher_no, voucher_detail_no, fields=["name"]
+		voucher_type, voucher_no, voucher_detail_no, fields=["name"], ignore_status=True
 	):
 		return True
 
 	return False
 
 
-@frappe.whitelist()
-def cancel_stock_reservation_entries(
-	voucher_type: str, voucher_no: str, voucher_detail_no: str = None, notify: bool = True
+def create_stock_reservation_entries_for_so_items(
+	so: object,
+	items_details: list[dict] = None,
+	against_pick_list: bool = False,
+	notify=True,
 ) -> None:
-	"""Cancel Stock Reservation Entries for the given voucher."""
+	"""Creates Stock Reservation Entries for Sales Order Items."""
 
-	sre_list = get_stock_reservation_entries_for_voucher(
-		voucher_type, voucher_no, voucher_detail_no, fields=["name"]
+	from erpnext.selling.doctype.sales_order.sales_order import get_unreserved_qty
+
+	if not against_pick_list and (
+		so.get("_action") == "submit"
+		and so.set_warehouse
+		and cint(frappe.get_cached_value("Warehouse", so.set_warehouse, "is_group"))
+	):
+		return frappe.msgprint(
+			_("Stock cannot be reserved in the group warehouse {0}.").format(frappe.bold(so.set_warehouse))
+		)
+
+	validate_stock_reservation_settings(so)
+
+	allow_partial_reservation = frappe.db.get_single_value(
+		"Stock Settings", "allow_partial_reservation"
 	)
 
+	items = []
+	if items_details:
+		for item in items_details:
+			so_item = frappe.get_doc(
+				"Sales Order Item", item.get("sales_order_item") if against_pick_list else item.get("name")
+			)
+			so_item.reserve_stock = 1
+			so_item.warehouse = item.get("warehouse")
+			so_item.qty_to_reserve = (
+				item.get("picked_qty") - item.get("stock_reserved_qty", 0)
+				if against_pick_list
+				else (flt(item.get("qty_to_reserve")) * flt(so_item.conversion_factor, 1))
+			)
+
+			if against_pick_list:
+				so_item.pick_list = item.get("parent")
+				so_item.pick_list_item = item.get("name")
+				so_item.pick_list_sbb = item.get("serial_and_batch_bundle")
+
+			items.append(so_item)
+
+	sre_count = 0
+	reserved_qty_details = get_sre_reserved_qty_details_for_voucher("Sales Order", so.name)
+
+	for item in items if items_details else so.get("items"):
+		# Skip if `Reserved Stock` is not checked for the item.
+		if not item.get("reserve_stock"):
+			continue
+
+		# Stock should be reserved from the Pick List if has Picked Qty.
+		if not against_pick_list and flt(item.picked_qty) > 0:
+			frappe.throw(
+				_(
+					"Row #{0}: Item {1} has been picked, please create a Stock Reservation from the Pick List."
+				).format(item.idx, frappe.bold(item.item_code))
+			)
+
+		is_stock_item, has_serial_no, has_batch_no = frappe.get_cached_value(
+			"Item", item.item_code, ["is_stock_item", "has_serial_no", "has_batch_no"]
+		)
+
+		# Skip if Non-Stock Item.
+		if not is_stock_item:
+			frappe.msgprint(
+				_("Row #{0}: Stock cannot be reserved for a non-stock Item {1}").format(
+					item.idx, frappe.bold(item.item_code)
+				),
+				title=_("Stock Reservation"),
+				indicator="yellow",
+			)
+			item.db_set("reserve_stock", 0)
+			continue
+
+		# Skip if Group Warehouse.
+		if frappe.get_cached_value("Warehouse", item.warehouse, "is_group"):
+			frappe.msgprint(
+				_("Row #{0}: Stock cannot be reserved in group warehouse {1}.").format(
+					item.idx, frappe.bold(item.warehouse)
+				),
+				title=_("Stock Reservation"),
+				indicator="yellow",
+			)
+			continue
+
+		unreserved_qty = get_unreserved_qty(item, reserved_qty_details)
+
+		# Stock is already reserved for the item, notify the user and skip the item.
+		if unreserved_qty <= 0:
+			frappe.msgprint(
+				_("Row #{0}: Stock is already reserved for the Item {1}.").format(
+					item.idx, frappe.bold(item.item_code)
+				),
+				title=_("Stock Reservation"),
+				indicator="yellow",
+			)
+			continue
+
+		available_qty_to_reserve = get_available_qty_to_reserve(item.item_code, item.warehouse)
+
+		# No stock available to reserve, notify the user and skip the item.
+		if available_qty_to_reserve <= 0:
+			frappe.msgprint(
+				_("Row #{0}: No available stock to reserve for the Item {1} in Warehouse {2}.").format(
+					item.idx, frappe.bold(item.item_code), frappe.bold(item.warehouse)
+				),
+				title=_("Stock Reservation"),
+				indicator="orange",
+			)
+			continue
+
+		# The quantity which can be reserved.
+		qty_to_be_reserved = min(unreserved_qty, available_qty_to_reserve)
+
+		if hasattr(item, "qty_to_reserve"):
+			if item.qty_to_reserve <= 0:
+				frappe.msgprint(
+					_("Row #{0}: Quantity to reserve for the Item {1} should be greater than 0.").format(
+						item.idx, frappe.bold(item.item_code)
+					),
+					title=_("Stock Reservation"),
+					indicator="orange",
+				)
+				continue
+			else:
+				qty_to_be_reserved = min(qty_to_be_reserved, item.qty_to_reserve)
+
+		# Partial Reservation
+		if qty_to_be_reserved < unreserved_qty:
+			if not item.get("qty_to_reserve") or qty_to_be_reserved < flt(item.get("qty_to_reserve")):
+				msg = _("Row #{0}: Only {1} available to reserve for the Item {2}").format(
+					item.idx,
+					frappe.bold(str(qty_to_be_reserved / item.conversion_factor) + " " + item.uom),
+					frappe.bold(item.item_code),
+				)
+				frappe.msgprint(msg, title=_("Stock Reservation"), indicator="orange")
+
+			# Skip the item if `Partial Reservation` is disabled in the Stock Settings.
+			if not allow_partial_reservation:
+				if qty_to_be_reserved == flt(item.get("qty_to_reserve")):
+					msg = _("Enable Allow Partial Reservation in the Stock Settings to reserve partial stock.")
+					frappe.msgprint(msg, title=_("Partial Stock Reservation"), indicator="yellow")
+
+				continue
+
+		sre = frappe.new_doc("Stock Reservation Entry")
+
+		sre.item_code = item.item_code
+		sre.warehouse = item.warehouse
+		sre.has_serial_no = has_serial_no
+		sre.has_batch_no = has_batch_no
+		sre.voucher_type = so.doctype
+		sre.voucher_no = so.name
+		sre.voucher_detail_no = item.name
+		sre.available_qty = available_qty_to_reserve
+		sre.voucher_qty = item.stock_qty
+		sre.reserved_qty = qty_to_be_reserved
+		sre.company = so.company
+		sre.stock_uom = item.stock_uom
+		sre.project = so.project
+
+		if against_pick_list:
+			sre.against_pick_list = item.pick_list
+			sre.against_pick_list_item = item.pick_list_item
+
+			if item.pick_list_sbb:
+				sbb = frappe.get_doc("Serial and Batch Bundle", item.pick_list_sbb)
+				sre.reservation_based_on = "Serial and Batch"
+				for entry in sbb.entries:
+					sre.append(
+						"sb_entries",
+						{
+							"serial_no": entry.serial_no,
+							"batch_no": entry.batch_no,
+							"qty": 1 if has_serial_no else abs(entry.qty),
+							"warehouse": entry.warehouse,
+						},
+					)
+
+		sre.save()
+		sre.submit()
+
+		sre_count += 1
+
+	if sre_count and notify:
+		frappe.msgprint(_("Stock Reservation Entries Created"), alert=True, indicator="green")
+
+
+def cancel_stock_reservation_entries(
+	voucher_type: str = None,
+	voucher_no: str = None,
+	voucher_detail_no: str = None,
+	against_pick_list: str = None,
+	sre_list: list[dict] = None,
+	notify: bool = True,
+) -> None:
+	"""Cancel Stock Reservation Entries."""
+
+	if not sre_list and against_pick_list:
+		sre = frappe.qb.DocType("Stock Reservation Entry")
+		sre_list = (
+			frappe.qb.from_(sre)
+			.select(sre.name)
+			.where(
+				(sre.docstatus == 1)
+				& (sre.against_pick_list == against_pick_list)
+				& (sre.status.notin(["Delivered", "Cancelled"]))
+			)
+			.orderby(sre.creation)
+		).run(as_dict=True)
+
+	elif not sre_list and (voucher_type and voucher_no):
+		sre_list = get_stock_reservation_entries_for_voucher(
+			voucher_type, voucher_no, voucher_detail_no, fields=["name"]
+		)
+
 	if sre_list:
 		for sre in sre_list:
-			frappe.get_doc("Stock Reservation Entry", sre.name).cancel()
+			frappe.get_doc("Stock Reservation Entry", sre["name"]).cancel()
 
 		if notify:
-			frappe.msgprint(_("Stock Reservation Entries Cancelled"), alert=True, indicator="red")
+			msg = _("Stock Reservation Entries Cancelled")
+			frappe.msgprint(msg, alert=True, indicator="red")
+
+
+@frappe.whitelist()
+def get_stock_reservation_entries_for_voucher(
+	voucher_type: str,
+	voucher_no: str,
+	voucher_detail_no: str = None,
+	fields: list[str] = None,
+	ignore_status: bool = False,
+) -> list[dict]:
+	"""Returns list of Stock Reservation Entries against a Voucher."""
+
+	if not fields or not isinstance(fields, list):
+		fields = [
+			"name",
+			"item_code",
+			"warehouse",
+			"voucher_detail_no",
+			"reserved_qty",
+			"delivered_qty",
+			"stock_uom",
+		]
+
+	sre = frappe.qb.DocType("Stock Reservation Entry")
+	query = (
+		frappe.qb.from_(sre)
+		.where(
+			(sre.docstatus == 1) & (sre.voucher_type == voucher_type) & (sre.voucher_no == voucher_no)
+		)
+		.orderby(sre.creation)
+	)
+
+	for field in fields:
+		query = query.select(sre[field])
+
+	if voucher_detail_no:
+		query = query.where(sre.voucher_detail_no == voucher_detail_no)
+
+	if ignore_status:
+		query = query.where(sre.status.notin(["Delivered", "Cancelled"]))
+
+	return query.run(as_dict=True)
diff --git a/erpnext/stock/doctype/stock_reservation_entry/test_stock_reservation_entry.py b/erpnext/stock/doctype/stock_reservation_entry/test_stock_reservation_entry.py
index dff407f..1168a4e 100644
--- a/erpnext/stock/doctype/stock_reservation_entry/test_stock_reservation_entry.py
+++ b/erpnext/stock/doctype/stock_reservation_entry/test_stock_reservation_entry.py
@@ -1,23 +1,38 @@
 # Copyright (c) 2023, Frappe Technologies Pvt. Ltd. and Contributors
 # See license.txt
 
+from random import randint
+
 import frappe
 from frappe.tests.utils import FrappeTestCase, change_settings
 
+from erpnext.selling.doctype.sales_order.sales_order import create_pick_list, make_delivery_note
 from erpnext.selling.doctype.sales_order.test_sales_order import make_sales_order
+from erpnext.stock.doctype.item.test_item import make_item
 from erpnext.stock.doctype.stock_entry.stock_entry import StockEntry
 from erpnext.stock.doctype.stock_entry.test_stock_entry import make_stock_entry
+from erpnext.stock.doctype.stock_reservation_entry.stock_reservation_entry import (
+	cancel_stock_reservation_entries,
+	get_sre_reserved_qty_details_for_voucher,
+	get_stock_reservation_entries_for_voucher,
+	has_reserved_stock,
+)
 from erpnext.stock.utils import get_stock_balance
 
 
 class TestStockReservationEntry(FrappeTestCase):
 	def setUp(self) -> None:
-		self.items = create_items()
-		create_material_receipt(self.items)
+		self.warehouse = "_Test Warehouse - _TC"
+		self.sr_item = make_item(properties={"is_stock_item": 1, "valuation_rate": 100})
+		create_material_receipt(
+			items={self.sr_item.name: self.sr_item}, warehouse=self.warehouse, qty=100
+		)
 
 	def tearDown(self) -> None:
+		cancel_all_stock_reservation_entries()
 		return super().tearDown()
 
+	@change_settings("Stock Settings", {"allow_negative_stock": 0})
 	def test_validate_stock_reservation_settings(self) -> None:
 		from erpnext.stock.doctype.stock_reservation_entry.stock_reservation_entry import (
 			validate_stock_reservation_settings,
@@ -47,28 +62,29 @@
 			get_available_qty_to_reserve,
 		)
 
-		item_code, warehouse = "SR Item 1", "_Test Warehouse - _TC"
-
 		# Case - 1: When `Reserved Qty` is `0`, Available Qty to Reserve = Actual Qty
-		cancel_all_stock_reservation_entries()
-		available_qty_to_reserve = get_available_qty_to_reserve(item_code, warehouse)
-		expected_available_qty_to_reserve = get_stock_balance(item_code, warehouse)
+		available_qty_to_reserve = get_available_qty_to_reserve(self.sr_item.name, self.warehouse)
+		expected_available_qty_to_reserve = get_stock_balance(self.sr_item.name, self.warehouse)
 
 		self.assertEqual(available_qty_to_reserve, expected_available_qty_to_reserve)
 
 		# Case - 2: When `Reserved Qty` is `> 0`, Available Qty to Reserve = Actual Qty - Reserved Qty
 		sre = make_stock_reservation_entry(
-			item_code=item_code,
-			warehouse=warehouse,
+			item_code=self.sr_item.name,
+			warehouse=self.warehouse,
 			ignore_validate=True,
 		)
-		available_qty_to_reserve = get_available_qty_to_reserve(item_code, warehouse)
-		expected_available_qty_to_reserve = get_stock_balance(item_code, warehouse) - sre.reserved_qty
+		available_qty_to_reserve = get_available_qty_to_reserve(self.sr_item.name, self.warehouse)
+		expected_available_qty_to_reserve = (
+			get_stock_balance(self.sr_item.name, self.warehouse) - sre.reserved_qty
+		)
 
 		self.assertEqual(available_qty_to_reserve, expected_available_qty_to_reserve)
 
 	def test_update_status(self) -> None:
 		sre = make_stock_reservation_entry(
+			item_code=self.sr_item.name,
+			warehouse=self.warehouse,
 			reserved_qty=30,
 			ignore_validate=True,
 			do_not_submit=True,
@@ -109,14 +125,12 @@
 		sre.load_from_db()
 		self.assertEqual(sre.status, "Cancelled")
 
-	@change_settings("Stock Settings", {"enable_stock_reservation": 1})
+	@change_settings("Stock Settings", {"allow_negative_stock": 0, "enable_stock_reservation": 1})
 	def test_update_reserved_qty_in_voucher(self) -> None:
-		item_code, warehouse = "SR Item 1", "_Test Warehouse - _TC"
-
 		# Step - 1: Create a `Sales Order`
 		so = make_sales_order(
-			item_code=item_code,
-			warehouse=warehouse,
+			item_code=self.sr_item.name,
+			warehouse=self.warehouse,
 			qty=50,
 			rate=100,
 			do_not_submit=True,
@@ -128,8 +142,8 @@
 
 		# Step - 2: Create a `Stock Reservation Entry[1]` for the `Sales Order Item`
 		sre1 = make_stock_reservation_entry(
-			item_code=item_code,
-			warehouse=warehouse,
+			item_code=self.sr_item.name,
+			warehouse=self.warehouse,
 			voucher_type="Sales Order",
 			voucher_no=so.name,
 			voucher_detail_no=so.items[0].name,
@@ -143,8 +157,8 @@
 
 		# Step - 3: Create a `Stock Reservation Entry[2]` for the `Sales Order Item`
 		sre2 = make_stock_reservation_entry(
-			item_code=item_code,
-			warehouse=warehouse,
+			item_code=self.sr_item.name,
+			warehouse=self.warehouse,
 			voucher_type="Sales Order",
 			voucher_no=so.name,
 			voucher_detail_no=so.items[0].name,
@@ -163,26 +177,32 @@
 		self.assertEqual(sre1.status, "Cancelled")
 		self.assertEqual(so.items[0].stock_reserved_qty, sre2.reserved_qty)
 
-		# Step - 5: Cancel `Stock Reservation Entry[2]`
+		# Step - 5: Update `Stock Reservation Entry[2]` Reserved Qty
+		sre2.reserved_qty += sre1.reserved_qty
+		sre2.save()
+		so.load_from_db()
+		sre1.load_from_db()
+		self.assertEqual(sre2.status, "Reserved")
+		self.assertEqual(so.items[0].stock_reserved_qty, sre2.reserved_qty)
+
+		# Step - 6: Cancel `Stock Reservation Entry[2]`
 		sre2.cancel()
 		so.load_from_db()
 		sre2.load_from_db()
 		self.assertEqual(sre1.status, "Cancelled")
 		self.assertEqual(so.items[0].stock_reserved_qty, 0)
 
-	@change_settings("Stock Settings", {"enable_stock_reservation": 1})
+	@change_settings("Stock Settings", {"allow_negative_stock": 0, "enable_stock_reservation": 1})
 	def test_cant_consume_reserved_stock(self) -> None:
 		from erpnext.stock.doctype.stock_reservation_entry.stock_reservation_entry import (
 			cancel_stock_reservation_entries,
 		)
 		from erpnext.stock.stock_ledger import NegativeStockError
 
-		item_code, warehouse = "SR Item 1", "_Test Warehouse - _TC"
-
 		# Step - 1: Create a `Sales Order`
 		so = make_sales_order(
-			item_code=item_code,
-			warehouse=warehouse,
+			item_code=self.sr_item.name,
+			warehouse=self.warehouse,
 			qty=50,
 			rate=100,
 			do_not_submit=True,
@@ -192,13 +212,13 @@
 		so.save()
 		so.submit()
 
-		actual_qty = get_stock_balance(item_code, warehouse)
+		actual_qty = get_stock_balance(self.sr_item.name, self.warehouse)
 
 		# Step - 2: Try to consume (Transfer/Issue/Deliver) the Available Qty via Stock Entry or Delivery Note, should throw `NegativeStockError`.
 		se = make_stock_entry(
-			item_code=item_code,
+			item_code=self.sr_item.name,
 			qty=actual_qty,
-			from_warehouse=warehouse,
+			from_warehouse=self.warehouse,
 			rate=100,
 			purpose="Material Issue",
 			do_not_submit=True,
@@ -210,9 +230,9 @@
 		cancel_stock_reservation_entries(so.doctype, so.name)
 
 		se = make_stock_entry(
-			item_code=item_code,
+			item_code=self.sr_item.name,
 			qty=actual_qty,
-			from_warehouse=warehouse,
+			from_warehouse=self.warehouse,
 			rate=100,
 			purpose="Material Issue",
 			do_not_submit=True,
@@ -220,52 +240,369 @@
 		se.submit()
 		se.cancel()
 
+	@change_settings(
+		"Stock Settings",
+		{
+			"allow_negative_stock": 0,
+			"enable_stock_reservation": 1,
+			"auto_reserve_serial_and_batch": 0,
+			"pick_serial_and_batch_based_on": "FIFO",
+			"auto_create_serial_and_batch_bundle_for_outward": 1,
+		},
+	)
+	def test_stock_reservation_against_sales_order(self) -> None:
+		items_details = create_items()
+		se = create_material_receipt(items_details, self.warehouse, qty=10)
+
+		item_list = []
+		for item_code, properties in items_details.items():
+			item_list.append(
+				{
+					"item_code": item_code,
+					"warehouse": self.warehouse,
+					"qty": randint(11, 100),
+					"uom": properties.stock_uom,
+					"rate": randint(10, 400),
+				}
+			)
+
+		so = make_sales_order(
+			item_list=item_list,
+			warehouse=self.warehouse,
+		)
+
+		# Test - 1: Stock should not be reserved if the Available Qty to Reserve is less than the Ordered Qty and Partial Reservation is disabled in Stock Settings.
+		with change_settings("Stock Settings", {"allow_partial_reservation": 0}):
+			so.create_stock_reservation_entries()
+			self.assertFalse(has_reserved_stock("Sales Order", so.name))
+
+		# Test - 2: Stock should be Partially Reserved if the Partial Reservation is enabled in Stock Settings.
+		with change_settings("Stock Settings", {"allow_partial_reservation": 1}):
+			so.create_stock_reservation_entries()
+			so.load_from_db()
+			self.assertTrue(has_reserved_stock("Sales Order", so.name))
+
+			for item in so.items:
+				sre_details = get_stock_reservation_entries_for_voucher(
+					"Sales Order", so.name, item.name, fields=["reserved_qty", "status"]
+				)[0]
+				self.assertEqual(item.stock_reserved_qty, sre_details.reserved_qty)
+				self.assertEqual(sre_details.status, "Partially Reserved")
+
+			se.cancel()
+
+			# Test - 3: Stock should be fully Reserved if the Available Qty to Reserve is greater than the Un-reserved Qty.
+			create_material_receipt(items_details, self.warehouse, qty=110)
+			so.create_stock_reservation_entries()
+			so.load_from_db()
+
+			reserved_qty_details = get_sre_reserved_qty_details_for_voucher("Sales Order", so.name)
+			for item in so.items:
+				reserved_qty = reserved_qty_details[item.name]
+				self.assertEqual(item.stock_reserved_qty, reserved_qty)
+				self.assertEqual(item.stock_qty, item.stock_reserved_qty)
+
+			# Test - 4: Stock should get unreserved on cancellation of Stock Reservation Entries.
+			cancel_stock_reservation_entries("Sales Order", so.name)
+			so.load_from_db()
+			self.assertFalse(has_reserved_stock("Sales Order", so.name))
+
+			for item in so.items:
+				self.assertEqual(item.stock_reserved_qty, 0)
+
+			# Test - 5: Re-reserve the stock.
+			so.create_stock_reservation_entries()
+			self.assertTrue(has_reserved_stock("Sales Order", so.name))
+
+			# Test - 6: Stock should get unreserved on cancellation of Sales Order.
+			so.cancel()
+			so.load_from_db()
+			self.assertFalse(has_reserved_stock("Sales Order", so.name))
+
+			for item in so.items:
+				self.assertEqual(item.stock_reserved_qty, 0)
+
+			# Create Sales Order and Reserve Stock.
+			so = make_sales_order(
+				item_list=item_list,
+				warehouse=self.warehouse,
+			)
+			so.create_stock_reservation_entries()
+
+			# Test - 7: Partial Delivery against Sales Order.
+			dn1 = make_delivery_note(so.name)
+
+			for item in dn1.items:
+				item.qty = randint(1, 10)
+
+			dn1.save()
+			dn1.submit()
+
+			for item in so.items:
+				sre_details = get_stock_reservation_entries_for_voucher(
+					"Sales Order", so.name, item.name, fields=["delivered_qty", "status"]
+				)[0]
+				self.assertGreater(sre_details.delivered_qty, 0)
+				self.assertEqual(sre_details.status, "Partially Delivered")
+
+			# Test - 8: Over Delivery against Sales Order, SRE Delivered Qty should not be greater than the SRE Reserved Qty.
+			with change_settings("Stock Settings", {"over_delivery_receipt_allowance": 100}):
+				dn2 = make_delivery_note(so.name)
+
+				for item in dn2.items:
+					item.qty += randint(1, 10)
+
+				dn2.save()
+				dn2.submit()
+
+			for item in so.items:
+				sre_details = get_stock_reservation_entries_for_voucher(
+					"Sales Order",
+					so.name,
+					item.name,
+					fields=["reserved_qty", "delivered_qty"],
+					ignore_status=True,
+				)
+
+				for sre_detail in sre_details:
+					self.assertEqual(sre_detail.reserved_qty, sre_detail.delivered_qty)
+
+	@change_settings(
+		"Stock Settings",
+		{
+			"allow_negative_stock": 0,
+			"enable_stock_reservation": 1,
+			"auto_reserve_serial_and_batch": 1,
+			"pick_serial_and_batch_based_on": "FIFO",
+		},
+	)
+	def test_auto_reserve_serial_and_batch(self) -> None:
+		items_details = create_items()
+		create_material_receipt(items_details, self.warehouse, qty=100)
+
+		item_list = []
+		for item_code, properties in items_details.items():
+			item_list.append(
+				{
+					"item_code": item_code,
+					"warehouse": self.warehouse,
+					"qty": randint(11, 100),
+					"uom": properties.stock_uom,
+					"rate": randint(10, 400),
+				}
+			)
+
+		so = make_sales_order(
+			item_list=item_list,
+			warehouse=self.warehouse,
+		)
+		so.create_stock_reservation_entries()
+		so.load_from_db()
+
+		for item in so.items:
+			sre_details = get_stock_reservation_entries_for_voucher(
+				"Sales Order", so.name, item.name, fields=["status", "reserved_qty"]
+			)[0]
+
+			# Test - 1: SRE Reserved Qty should be updated in Sales Order Item.
+			self.assertEqual(item.stock_reserved_qty, sre_details.reserved_qty)
+
+			# Test - 2: SRE status should be `Reserved`.
+			self.assertEqual(sre_details.status, "Reserved")
+
+		dn = make_delivery_note(so.name, kwargs={"for_reserved_stock": 1})
+		dn.save()
+		dn.submit()
+
+		for item in so.items:
+			sre_details = get_stock_reservation_entries_for_voucher(
+				"Sales Order", so.name, item.name, fields=["status", "delivered_qty", "reserved_qty"]
+			)[0]
+
+			# Test - 3: After Delivery Note, SRE status should be `Delivered`.
+			self.assertEqual(sre_details.status, "Delivered")
+
+			# Test - 4: After Delivery Note, SRE Delivered Qty should be equal to SRE Reserved Qty.
+			self.assertEqual(sre_details.delivered_qty, sre_details.reserved_qty)
+
+		sre = frappe.qb.DocType("Stock Reservation Entry")
+		sb_entry = frappe.qb.DocType("Serial and Batch Entry")
+		for item in dn.items:
+			if item.serial_and_batch_bundle:
+				reserved_sb_entries = (
+					frappe.qb.from_(sre)
+					.inner_join(sb_entry)
+					.on(sre.name == sb_entry.parent)
+					.select(sb_entry.serial_no, sb_entry.batch_no, sb_entry.qty, sb_entry.delivered_qty)
+					.where(
+						(sre.voucher_type == "Sales Order")
+						& (sre.voucher_no == item.against_sales_order)
+						& (sre.voucher_detail_no == item.so_detail)
+					)
+				).run(as_dict=True)
+
+				reserved_sb_details: set[tuple] = set()
+				for sb_details in reserved_sb_entries:
+					# Test - 5: After Delivery Note, SB Entry Delivered Qty should be equal to SB Entry Reserved Qty.
+					self.assertEqual(sb_details.qty, sb_details.delivered_qty)
+
+					reserved_sb_details.add((sb_details.serial_no, sb_details.batch_no, -1 * sb_details.qty))
+
+				delivered_sb_entries = frappe.db.get_all(
+					"Serial and Batch Entry",
+					filters={"parent": item.serial_and_batch_bundle},
+					fields=["serial_no", "batch_no", "qty"],
+					as_list=True,
+				)
+				delivered_sb_details: set[tuple] = set(delivered_sb_entries)
+
+				# Test - 6: Reserved Serial/Batch Nos should be equal to Delivered Serial/Batch Nos.
+				self.assertSetEqual(reserved_sb_details, delivered_sb_details)
+
+		dn.cancel()
+		so.load_from_db()
+
+		for item in so.items:
+			sre_details = get_stock_reservation_entries_for_voucher(
+				"Sales Order",
+				so.name,
+				item.name,
+				fields=["name", "status", "delivered_qty", "reservation_based_on"],
+			)[0]
+
+			# Test - 7: After Delivery Note cancellation, SRE status should be `Reserved`.
+			self.assertEqual(sre_details.status, "Reserved")
+
+			# Test - 8: After Delivery Note cancellation, SRE Delivered Qty should be `0`.
+			self.assertEqual(sre_details.delivered_qty, 0)
+
+			if sre_details.reservation_based_on == "Serial and Batch":
+				sb_entries = frappe.db.get_all(
+					"Serial and Batch Entry",
+					filters={"parenttype": "Stock Reservation Entry", "parent": sre_details.name},
+					fields=["delivered_qty"],
+				)
+
+				for sb_entry in sb_entries:
+					# Test - 9: After Delivery Note cancellation, SB Entry Delivered Qty should be `0`.
+					self.assertEqual(sb_entry.delivered_qty, 0)
+
+	@change_settings(
+		"Stock Settings",
+		{
+			"allow_negative_stock": 0,
+			"enable_stock_reservation": 1,
+			"auto_reserve_serial_and_batch": 1,
+			"pick_serial_and_batch_based_on": "FIFO",
+		},
+	)
+	def test_stock_reservation_from_pick_list(self):
+		items_details = create_items()
+		create_material_receipt(items_details, self.warehouse, qty=100)
+
+		item_list = []
+		for item_code, properties in items_details.items():
+			item_list.append(
+				{
+					"item_code": item_code,
+					"warehouse": self.warehouse,
+					"qty": randint(11, 100),
+					"uom": properties.stock_uom,
+					"rate": randint(10, 400),
+				}
+			)
+
+		so = make_sales_order(
+			item_list=item_list,
+			warehouse=self.warehouse,
+		)
+		pl = create_pick_list(so.name)
+		pl.save()
+		pl.submit()
+		pl.create_stock_reservation_entries()
+		pl.load_from_db()
+		so.load_from_db()
+
+		for item in so.items:
+			sre_details = get_stock_reservation_entries_for_voucher(
+				"Sales Order", so.name, item.name, fields=["reserved_qty"]
+			)[0]
+
+			# Test - 1: SRE Reserved Qty should be updated in Sales Order Item.
+			self.assertEqual(item.stock_reserved_qty, sre_details.reserved_qty)
+
+		sre = frappe.qb.DocType("Stock Reservation Entry")
+		sb_entry = frappe.qb.DocType("Serial and Batch Entry")
+		for location in pl.locations:
+			# Test - 2: Reserved Qty should be updated in Pick List Item.
+			self.assertEqual(location.stock_reserved_qty, location.qty)
+
+			if location.serial_and_batch_bundle:
+				picked_sb_entries = frappe.db.get_all(
+					"Serial and Batch Entry",
+					filters={"parent": location.serial_and_batch_bundle},
+					fields=["serial_no", "batch_no", "qty"],
+					as_list=True,
+				)
+				picked_sb_details: set[tuple] = set(picked_sb_entries)
+
+				reserved_sb_entries = (
+					frappe.qb.from_(sre)
+					.inner_join(sb_entry)
+					.on(sre.name == sb_entry.parent)
+					.select(sb_entry.serial_no, sb_entry.batch_no, sb_entry.qty)
+					.where(
+						(sre.voucher_type == "Sales Order")
+						& (sre.voucher_no == location.sales_order)
+						& (sre.voucher_detail_no == location.sales_order_item)
+						& (sre.against_pick_list == pl.name)
+						& (sre.against_pick_list_item == location.name)
+					)
+				).run(as_dict=True)
+				reserved_sb_details: set[tuple] = {
+					(sb_details.serial_no, sb_details.batch_no, -1 * sb_details.qty)
+					for sb_details in reserved_sb_entries
+				}
+
+				# Test - 3: Reserved Serial/Batch Nos should be equal to Picked Serial/Batch Nos.
+				self.assertSetEqual(picked_sb_details, reserved_sb_details)
+
 
 def create_items() -> dict:
-	from erpnext.stock.doctype.item.test_item import make_item
-
-	items_details = {
-		# Stock Items
-		"SR Item 1": {"is_stock_item": 1, "valuation_rate": 100},
-		"SR Item 2": {"is_stock_item": 1, "valuation_rate": 200, "stock_uom": "Kg"},
-		# Batch Items
-		"SR Batch Item 1": {
-			"is_stock_item": 1,
-			"valuation_rate": 100,
-			"has_batch_no": 1,
-			"create_new_batch": 1,
-			"batch_number_series": "SRBI-1-.#####.",
-		},
-		"SR Batch Item 2": {
+	items_properties = [
+		# SR STOCK ITEM
+		{"is_stock_item": 1, "valuation_rate": 100},
+		# SR SERIAL ITEM
+		{
 			"is_stock_item": 1,
 			"valuation_rate": 200,
+			"has_serial_no": 1,
+			"serial_no_series": "SRSI-.#####",
+		},
+		# SR BATCH ITEM
+		{
+			"is_stock_item": 1,
+			"valuation_rate": 300,
 			"has_batch_no": 1,
 			"create_new_batch": 1,
-			"batch_number_series": "SRBI-2-.#####.",
-			"stock_uom": "Kg",
+			"batch_number_series": "SRBI-.#####.",
 		},
-		# Serial Item
-		"SR Serial Item 1": {
+		# SR SERIAL AND BATCH ITEM
+		{
 			"is_stock_item": 1,
-			"valuation_rate": 100,
+			"valuation_rate": 400,
 			"has_serial_no": 1,
-			"serial_no_series": "SRSI-1-.#####",
-		},
-		# Batch and Serial Item
-		"SR Batch and Serial Item 1": {
-			"is_stock_item": 1,
-			"valuation_rate": 100,
+			"serial_no_series": "SRSBI-.#####",
 			"has_batch_no": 1,
 			"create_new_batch": 1,
-			"batch_number_series": "SRBSI-1-.#####.",
-			"has_serial_no": 1,
-			"serial_no_series": "SRBSI-1-.#####",
+			"batch_number_series": "SRSBI-.#####.",
 		},
-	}
+	]
 
 	items = {}
-	for item_code, properties in items_details.items():
-		items[item_code] = make_item(item_code, properties)
+	for properties in items_properties:
+		item = make_item(properties=properties)
+		items[item.name] = item
 
 	return items
 
@@ -313,7 +650,7 @@
 	doc = frappe.new_doc("Stock Reservation Entry")
 	args = frappe._dict(args)
 
-	doc.item_code = args.item_code or "SR Item 1"
+	doc.item_code = args.item_code
 	doc.warehouse = args.warehouse or "_Test Warehouse - _TC"
 	doc.voucher_type = args.voucher_type
 	doc.voucher_no = args.voucher_no
diff --git a/erpnext/stock/doctype/stock_settings/stock_settings.json b/erpnext/stock/doctype/stock_settings/stock_settings.json
index 9d67cf9..88b5575 100644
--- a/erpnext/stock/doctype/stock_settings/stock_settings.json
+++ b/erpnext/stock/doctype/stock_settings/stock_settings.json
@@ -34,8 +34,10 @@
   "stock_reservation_tab",
   "enable_stock_reservation",
   "column_break_rx3e",
-  "reserve_stock_on_sales_order_submission",
+  "auto_reserve_stock_for_sales_order",
   "allow_partial_reservation",
+  "serial_and_batch_reservation_section",
+  "auto_reserve_serial_and_batch",
   "serial_and_batch_item_settings_tab",
   "section_break_7",
   "auto_create_serial_and_batch_bundle_for_outward",
@@ -59,7 +61,8 @@
   "stock_frozen_upto_days",
   "column_break_26",
   "role_allowed_to_create_edit_back_dated_transactions",
-  "stock_auth_role"
+  "stock_auth_role",
+  "section_break_plhx"
  ],
  "fields": [
   {
@@ -337,26 +340,19 @@
   },
   {
    "default": "0",
+   "description": "Allows to keep aside a specific quantity of inventory for a particular order.",
    "fieldname": "enable_stock_reservation",
    "fieldtype": "Check",
    "label": "Enable Stock Reservation"
   },
   {
-   "default": "0",
-   "depends_on": "eval: doc.enable_stock_reservation",
-   "description": "If enabled, <b>Stock Reservation Entries</b> will be created on submission of <b>Sales Order</b>",
-   "fieldname": "reserve_stock_on_sales_order_submission",
-   "fieldtype": "Check",
-   "label": "Reserve Stock on Sales Order Submission"
-  },
-  {
    "fieldname": "column_break_rx3e",
    "fieldtype": "Column Break"
   },
   {
    "default": "1",
    "depends_on": "eval: doc.enable_stock_reservation",
-   "description": "If enabled, <b>Partial Stock Reservation Entries</b> can be created. For example, If you have a <b>Sales Order</b> of 100 units and the Available Stock is 90 units then a Stock Reservation Entry will be created for 90 units. ",
+   "description": "If enabled, <b>Partial Stock Reservation Entries</b> can be created. For example, If you have a Sales Order of 100 units and the Available Stock is 90 units then a Stock Reservation Entry will be created for 90 units. ",
    "fieldname": "allow_partial_reservation",
    "fieldtype": "Check",
    "label": "Allow Partial Reservation"
@@ -383,6 +379,27 @@
    "fieldname": "auto_create_serial_and_batch_bundle_for_outward",
    "fieldtype": "Check",
    "label": "Auto Create Serial and Batch Bundle For Outward"
+  },
+  {
+   "default": "1",
+   "depends_on": "eval: doc.enable_stock_reservation",
+   "description": "If enabled, Serial and Batch Nos will be auto-reserved based on <b>Pick Serial / Batch Based On</b>",
+   "fieldname": "auto_reserve_serial_and_batch",
+   "fieldtype": "Check",
+   "label": "Auto Reserve Serial and Batch Nos"
+  },
+  {
+   "fieldname": "serial_and_batch_reservation_section",
+   "fieldtype": "Section Break",
+   "label": "Serial and Batch Reservation"
+  },
+  {
+   "default": "0",
+   "depends_on": "eval: doc.enable_stock_reservation",
+   "description": "If enabled, <b>Stock Reservation Entries</b> will be created on submission of <b>Sales Order</b>",
+   "fieldname": "auto_reserve_stock_for_sales_order",
+   "fieldtype": "Check",
+   "label": "Auto Reserve Stock for Sales Order"
   }
  ],
  "icon": "icon-cog",
@@ -390,7 +407,7 @@
  "index_web_pages_for_search": 1,
  "issingle": 1,
  "links": [],
- "modified": "2023-05-29 15:10:54.959411",
+ "modified": "2023-09-01 16:16:34.018947",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Stock Settings",
diff --git a/erpnext/stock/doctype/stock_settings/stock_settings.py b/erpnext/stock/doctype/stock_settings/stock_settings.py
index 3b6db64..9ad3c9d 100644
--- a/erpnext/stock/doctype/stock_settings/stock_settings.py
+++ b/erpnext/stock/doctype/stock_settings/stock_settings.py
@@ -69,9 +69,9 @@
 				)
 
 	def cant_change_valuation_method(self):
-		db_valuation_method = frappe.db.get_single_value("Stock Settings", "valuation_method")
+		previous_valuation_method = self.get_doc_before_save().get("valuation_method")
 
-		if db_valuation_method and db_valuation_method != self.valuation_method:
+		if previous_valuation_method and previous_valuation_method != self.valuation_method:
 			# check if there are any stock ledger entries against items
 			# which does not have it's own valuation method
 			sle = frappe.db.sql(
@@ -108,13 +108,8 @@
 		if frappe.flags.in_test:
 			return
 
-		db_allow_negative_stock = frappe.db.get_single_value("Stock Settings", "allow_negative_stock")
-		db_enable_stock_reservation = frappe.db.get_single_value(
-			"Stock Settings", "enable_stock_reservation"
-		)
-
 		# Change in value of `Allow Negative Stock`
-		if db_allow_negative_stock != self.allow_negative_stock:
+		if self.has_value_changed("allow_negative_stock"):
 
 			# Disable -> Enable: Don't allow if `Stock Reservation` is enabled
 			if self.allow_negative_stock and self.enable_stock_reservation:
@@ -125,7 +120,7 @@
 				)
 
 		# Change in value of `Enable Stock Reservation`
-		if db_enable_stock_reservation != self.enable_stock_reservation:
+		if self.has_value_changed("enable_stock_reservation"):
 
 			# Disable -> Enable
 			if self.enable_stock_reservation:
diff --git a/erpnext/stock/report/reserved_stock/__init__.py b/erpnext/stock/report/reserved_stock/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/erpnext/stock/report/reserved_stock/__init__.py
diff --git a/erpnext/stock/report/reserved_stock/reserved_stock.js b/erpnext/stock/report/reserved_stock/reserved_stock.js
new file mode 100644
index 0000000..2199f52
--- /dev/null
+++ b/erpnext/stock/report/reserved_stock/reserved_stock.js
@@ -0,0 +1,170 @@
+// Copyright (c) 2023, Frappe Technologies Pvt. Ltd. and contributors
+// For license information, please see license.txt
+
+frappe.query_reports["Reserved Stock"] = {
+	filters: [
+		{
+			fieldname: "company",
+			label: __("Company"),
+			fieldtype: "Link",
+			options: "Company",
+			reqd: 1,
+			default: frappe.defaults.get_user_default("Company"),
+		},
+		{
+			fieldname: "from_date",
+			label: __("From Date"),
+			fieldtype: "Date",
+			default: frappe.datetime.add_months(
+				frappe.datetime.get_today(),
+				-1
+			),
+			reqd: 1,
+		},
+		{
+			fieldname: "to_date",
+			label: __("To Date"),
+			fieldtype: "Date",
+			default: frappe.datetime.get_today(),
+			reqd: 1,
+		},
+		{
+			fieldname: "item_code",
+			label: __("Item"),
+			fieldtype: "Link",
+			options: "Item",
+			get_query: () => ({
+				filters: {
+					is_stock_item: 1,
+				},
+			}),
+		},
+		{
+			fieldname: "warehouse",
+			label: __("Warehouse"),
+			fieldtype: "Link",
+			options: "Warehouse",
+			get_query: () => ({
+				filters: {
+					is_group: 0,
+					company: frappe.query_report.get_filter_value("company"),
+				},
+			}),
+		},
+		{
+			fieldname: "stock_reservation_entry",
+			label: __("Stock Reservation Entry"),
+			fieldtype: "Link",
+			options: "Stock Reservation Entry",
+			get_query: () => ({
+				filters: {
+					docstatus: 1,
+					company: frappe.query_report.get_filter_value("company"),
+				},
+			}),
+		},
+		{
+			fieldname: "voucher_type",
+			label: __("Voucher Type"),
+			fieldtype: "Link",
+			options: "DocType",
+			default: "Sales Order",
+			get_query: () => ({
+				filters: {
+					name: ["in", ["Sales Order"]],
+				}
+			}),
+		},
+		{
+			fieldname: "voucher_no",
+			label: __("Voucher No"),
+			fieldtype: "Dynamic Link",
+			options: "voucher_type",
+			get_query: () => ({
+				filters: {
+					docstatus: 1,
+					company: frappe.query_report.get_filter_value("company"),
+				},
+			}),
+			get_options: function () {
+				return frappe.query_report.get_filter_value("voucher_type");
+			},
+		},
+		{
+			fieldname: "against_pick_list",
+			label: __("Against Pick List"),
+			fieldtype: "Link",
+			options: "Pick List",
+			get_query: () => ({
+				filters: {
+					docstatus: 1,
+					company: frappe.query_report.get_filter_value("company"),
+				},
+			}),
+		},
+		{
+			fieldname: "reservation_based_on",
+			label: __("Reservation Based On"),
+			fieldtype: "Select",
+			options: ["", "Qty", "Serial and Batch"],
+		},
+		{
+			fieldname: "status",
+			label: __("Status"),
+			fieldtype: "Select",
+			options: [
+				"",
+				"Partially Reserved",
+				"Reserved",
+				"Partially Delivered",
+				"Delivered",
+			],
+		},
+		{
+			fieldname: "project",
+			label: __("Project"),
+			fieldtype: "Link",
+			options: "Project",
+			get_query: () => ({
+				filters: {
+					company: frappe.query_report.get_filter_value("company"),
+				},
+			}),
+		},
+	],
+	formatter: (value, row, column, data, default_formatter) => {
+		value = default_formatter(value, row, column, data);
+
+		if (column.fieldname == "status") {
+			switch (data.status) {
+				case "Partially Reserved":
+					value = "<span style='color:orange'>" + value + "</span>";
+					break;
+				case "Reserved":
+					value = "<span style='color:blue'>" + value + "</span>";
+					break;
+				case "Partially Delivered":
+					value = "<span style='color:purple'>" + value + "</span>";
+					break;
+				case "Delivered":
+					value = "<span style='color:green'>" + value + "</span>";
+					break;
+			}
+		}
+		else if (column.fieldname == "delivered_qty") {
+			if (data.delivered_qty > 0) {
+				if (data.reserved_qty > data.delivered_qty) {
+					value = "<span style='color:blue'>" + value + "</span>";
+				}
+				else {
+					value = "<span style='color:green'>" + value + "</span>";
+				}
+			}
+			else {
+				value = "<span style='color:red'>" + value + "</span>";
+			}
+		}
+
+		return value;
+	},
+};
diff --git a/erpnext/stock/report/reserved_stock/reserved_stock.json b/erpnext/stock/report/reserved_stock/reserved_stock.json
new file mode 100644
index 0000000..17b916a
--- /dev/null
+++ b/erpnext/stock/report/reserved_stock/reserved_stock.json
@@ -0,0 +1,26 @@
+{
+ "add_total_row": 0,
+ "columns": [],
+ "creation": "2023-08-02 22:11:19.439620",
+ "disabled": 0,
+ "docstatus": 0,
+ "doctype": "Report",
+ "filters": [],
+ "idx": 0,
+ "is_standard": "Yes",
+ "letterhead": null,
+ "modified": "2023-08-03 12:46:33.780222",
+ "modified_by": "Administrator",
+ "module": "Stock",
+ "name": "Reserved Stock",
+ "owner": "Administrator",
+ "prepared_report": 0,
+ "ref_doctype": "Stock Reservation Entry",
+ "report_name": "Reserved Stock",
+ "report_type": "Script Report",
+ "roles": [
+  {
+   "role": "System Manager"
+  }
+ ]
+}
\ No newline at end of file
diff --git a/erpnext/stock/report/reserved_stock/reserved_stock.py b/erpnext/stock/report/reserved_stock/reserved_stock.py
new file mode 100644
index 0000000..d93ee1c
--- /dev/null
+++ b/erpnext/stock/report/reserved_stock/reserved_stock.py
@@ -0,0 +1,191 @@
+# Copyright (c) 2023, Frappe Technologies Pvt. Ltd. and contributors
+# For license information, please see license.txt
+
+import frappe
+from frappe import _
+from frappe.query_builder.functions import Date
+
+
+def execute(filters=None):
+	columns, data = [], []
+
+	validate_filters(filters)
+
+	columns = get_columns()
+	data = get_data(filters)
+
+	return columns, data
+
+
+def validate_filters(filters):
+	if not filters:
+		frappe.throw(_("Please set filters"))
+
+	for field in ["company", "from_date", "to_date"]:
+		if not filters.get(field):
+			frappe.throw(_("Please set {0}").format(field))
+
+	if filters.get("from_date") > filters.get("to_date"):
+		frappe.throw(_("From Date cannot be greater than To Date"))
+
+
+def get_data(filters):
+	sre = frappe.qb.DocType("Stock Reservation Entry")
+	query = (
+		frappe.qb.from_(sre)
+		.select(
+			sre.creation,
+			sre.warehouse,
+			sre.item_code,
+			sre.stock_uom,
+			sre.voucher_qty,
+			sre.reserved_qty,
+			sre.delivered_qty,
+			(sre.available_qty - sre.reserved_qty).as_("available_qty"),
+			sre.voucher_type,
+			sre.voucher_no,
+			sre.against_pick_list,
+			sre.name.as_("stock_reservation_entry"),
+			sre.status,
+			sre.project,
+			sre.company,
+		)
+		.where(
+			(sre.docstatus == 1)
+			& (sre.company == filters.get("company"))
+			& (
+				(Date(sre.creation) >= filters.get("from_date"))
+				& (Date(sre.creation) <= filters.get("to_date"))
+			)
+		)
+	)
+
+	for field in [
+		"item_code",
+		"warehouse",
+		"voucher_type",
+		"voucher_no",
+		"against_pick_list",
+		"reservation_based_on",
+		"status",
+		"project",
+	]:
+		if value := filters.get(field):
+			query = query.where((sre[field] == value))
+
+	if value := filters.get("stock_reservation_entry"):
+		query = query.where((sre.name == value))
+
+	data = query.run(as_list=True)
+
+	return data
+
+
+def get_columns():
+	columns = [
+		{
+			"label": _("Date"),
+			"fieldname": "date",
+			"fieldtype": "Datetime",
+			"width": 150,
+		},
+		{
+			"fieldname": "warehouse",
+			"label": _("Warehouse"),
+			"fieldtype": "Link",
+			"options": "Warehouse",
+			"width": 150,
+		},
+		{
+			"fieldname": "item_code",
+			"label": _("Item"),
+			"fieldtype": "Link",
+			"options": "Item",
+			"width": 100,
+		},
+		{
+			"fieldname": "stock_uom",
+			"label": _("Stock UOM"),
+			"fieldtype": "Link",
+			"options": "UOM",
+			"width": 100,
+		},
+		{
+			"fieldname": "voucher_qty",
+			"label": _("Voucher Qty"),
+			"fieldtype": "Float",
+			"width": 110,
+			"convertible": "qty",
+		},
+		{
+			"fieldname": "reserved_qty",
+			"label": _("Reserved Qty"),
+			"fieldtype": "Float",
+			"width": 110,
+			"convertible": "qty",
+		},
+		{
+			"fieldname": "delivered_qty",
+			"label": _("Delivered Qty"),
+			"fieldtype": "Float",
+			"width": 110,
+			"convertible": "qty",
+		},
+		{
+			"fieldname": "available_qty",
+			"label": _("Available Qty to Reserve"),
+			"fieldtype": "Float",
+			"width": 120,
+			"convertible": "qty",
+		},
+		{
+			"fieldname": "voucher_type",
+			"label": _("Voucher Type"),
+			"fieldtype": "Data",
+			"options": "Warehouse",
+			"width": 110,
+		},
+		{
+			"fieldname": "voucher_no",
+			"label": _("Voucher No"),
+			"fieldtype": "Dynamic Link",
+			"options": "voucher_type",
+			"width": 120,
+		},
+		{
+			"fieldname": "against_pick_list",
+			"label": _("Against Pick List"),
+			"fieldtype": "Link",
+			"options": "Pick List",
+			"width": 130,
+		},
+		{
+			"fieldname": "stock_reservation_entry",
+			"label": _("Stock Reservation Entry"),
+			"fieldtype": "Link",
+			"options": "Stock Reservation Entry",
+			"width": 150,
+		},
+		{
+			"fieldname": "status",
+			"label": _("Status"),
+			"fieldtype": "Data",
+			"width": 120,
+		},
+		{
+			"fieldname": "project",
+			"label": _("Project"),
+			"fieldtype": "Link",
+			"options": "Project",
+			"width": 100,
+		},
+		{
+			"fieldname": "company",
+			"label": _("Company"),
+			"fieldtype": "Link",
+			"options": "Company",
+			"width": 110,
+		},
+	]
+
+	return columns
diff --git a/erpnext/stock/report/reserved_stock/test_reserved_stock.py b/erpnext/stock/report/reserved_stock/test_reserved_stock.py
new file mode 100644
index 0000000..6ef89f9
--- /dev/null
+++ b/erpnext/stock/report/reserved_stock/test_reserved_stock.py
@@ -0,0 +1,54 @@
+# Copyright (c) 2023, Frappe Technologies Pvt. Ltd. and Contributors
+# See license.txt
+from random import randint
+
+import frappe
+from frappe.tests.utils import FrappeTestCase, change_settings
+from frappe.utils.data import today
+
+from erpnext.selling.doctype.sales_order.test_sales_order import make_sales_order
+from erpnext.stock.doctype.stock_reservation_entry.test_stock_reservation_entry import (
+	cancel_all_stock_reservation_entries,
+	create_items,
+	create_material_receipt,
+)
+from erpnext.stock.report.reserved_stock.reserved_stock import get_data as reserved_stock_report
+
+
+class TestReservedStock(FrappeTestCase):
+	def setUp(self) -> None:
+		super().setUp()
+		self.stock_qty = 100
+		self.warehouse = "_Test Warehouse - _TC"
+
+	def tearDown(self) -> None:
+		cancel_all_stock_reservation_entries()
+		return super().tearDown()
+
+	@change_settings(
+		"Stock Settings",
+		{
+			"allow_negative_stock": 0,
+			"enable_stock_reservation": 1,
+			"auto_reserve_serial_and_batch": 1,
+			"pick_serial_and_batch_based_on": "FIFO",
+		},
+	)
+	def test_reserved_stock_report(self):
+		items_details = create_items()
+		create_material_receipt(items_details, self.warehouse, qty=self.stock_qty)
+
+		for item_code, properties in items_details.items():
+			so = make_sales_order(
+				item_code=item_code, qty=randint(11, 100), warehouse=self.warehouse, uom=properties.stock_uom
+			)
+			so.create_stock_reservation_entries()
+
+		data = reserved_stock_report(
+			filters={
+				"company": so.company,
+				"from_date": today(),
+				"to_date": today(),
+			}
+		)
+		self.assertEqual(len(data), len(items_details))
diff --git a/erpnext/stock/report/stock_balance/stock_balance.py b/erpnext/stock/report/stock_balance/stock_balance.py
index 1dafb4d..102c3e1 100644
--- a/erpnext/stock/report/stock_balance/stock_balance.py
+++ b/erpnext/stock/report/stock_balance/stock_balance.py
@@ -165,7 +165,7 @@
 
 	def get_sre_reserved_qty_details(self) -> dict:
 		from erpnext.stock.doctype.stock_reservation_entry.stock_reservation_entry import (
-			get_sre_reserved_qty_details_for_item_and_warehouse as get_reserved_qty_details,
+			get_sre_reserved_qty_for_item_and_warehouse as get_reserved_qty_details,
 		)
 
 		item_code_list, warehouse_list = [], []
diff --git a/erpnext/stock/serial_batch_bundle.py b/erpnext/stock/serial_batch_bundle.py
index d6c840f..5998274 100644
--- a/erpnext/stock/serial_batch_bundle.py
+++ b/erpnext/stock/serial_batch_bundle.py
@@ -862,7 +862,7 @@
 		if self.get("serial_nos"):
 			serial_no_wise_batch = frappe._dict({})
 			if self.has_batch_no:
-				serial_no_wise_batch = self.get_serial_nos_batch(self.serial_nos)
+				serial_no_wise_batch = get_serial_nos_batch(self.serial_nos)
 
 			qty = -1 if self.type_of_transaction == "Outward" else 1
 			for serial_no in self.serial_nos:
@@ -887,16 +887,6 @@
 					},
 				)
 
-	def get_serial_nos_batch(self, serial_nos):
-		return frappe._dict(
-			frappe.get_all(
-				"Serial No",
-				fields=["name", "batch_no"],
-				filters={"name": ("in", serial_nos)},
-				as_list=1,
-			)
-		)
-
 	def create_batch(self):
 		from erpnext.stock.doctype.batch.batch import make_batch
 
@@ -974,3 +964,14 @@
 		serial_or_batch_items = [d.name for d in serial_or_batch_items]
 
 	return serial_or_batch_items
+
+
+def get_serial_nos_batch(serial_nos):
+	return frappe._dict(
+		frappe.get_all(
+			"Serial No",
+			fields=["name", "batch_no"],
+			filters={"name": ("in", serial_nos)},
+			as_list=1,
+		)
+	)
diff --git a/erpnext/stock/stock_ledger.py b/erpnext/stock/stock_ledger.py
index 258a503..db71fe2 100644
--- a/erpnext/stock/stock_ledger.py
+++ b/erpnext/stock/stock_ledger.py
@@ -1214,9 +1214,15 @@
 			if msg:
 				if self.reserved_stock:
 					allowed_qty = abs(exceptions[0]["actual_qty"]) - abs(exceptions[0]["diff"])
-					msg = "{0} As {1} units are reserved, you are allowed to consume only {2} units.".format(
-						msg, frappe.bold(self.reserved_stock), frappe.bold(allowed_qty)
-					)
+
+					if allowed_qty > 0:
+						msg = "{0} As {1} units are reserved for other sales orders, you are allowed to consume only {2} units.".format(
+							msg, frappe.bold(self.reserved_stock), frappe.bold(allowed_qty)
+						)
+					else:
+						msg = "{0} As the full stock is reserved for other sales orders, you're not allowed to consume the stock.".format(
+							msg,
+						)
 
 				msg_list.append(msg)