diff --git a/erpnext/accounts/doctype/journal_entry/journal_entry.js b/erpnext/accounts/doctype/journal_entry/journal_entry.js
index 617b376..3cc28a3 100644
--- a/erpnext/accounts/doctype/journal_entry/journal_entry.js
+++ b/erpnext/accounts/doctype/journal_entry/journal_entry.js
@@ -8,6 +8,7 @@
 frappe.ui.form.on("Journal Entry", {
 	setup: function(frm) {
 		frm.add_fetch("bank_account", "account", "account");
+		frm.ignore_doctypes_on_cancel_all = ['Sales Invoice', 'Purchase Invoice'];
 	},
 
 	refresh: function(frm) {
diff --git a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py
index 279557a..76d9cc7 100644
--- a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py
+++ b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py
@@ -537,8 +537,11 @@
 
 		voucher_wise_stock_value = {}
 		if self.update_stock:
-			for d in frappe.get_all('Stock Ledger Entry',
-				fields = ["voucher_detail_no", "stock_value_difference", "warehouse"], filters={'voucher_no': self.name}):
+			stock_ledger_entries = frappe.get_all("Stock Ledger Entry",
+				fields = ["voucher_detail_no", "stock_value_difference", "warehouse"],
+				filters={"voucher_no": self.name, "voucher_type": self.doctype, "is_cancelled": 0}
+			)
+			for d in stock_ledger_entries:
 				voucher_wise_stock_value.setdefault((d.voucher_detail_no, d.warehouse), d.stock_value_difference)
 
 		valuation_tax_accounts = [d.account_head for d in self.get("taxes")
diff --git a/erpnext/accounts/report/balance_sheet/balance_sheet.py b/erpnext/accounts/report/balance_sheet/balance_sheet.py
index dc1f7aa..f10a5ea 100644
--- a/erpnext/accounts/report/balance_sheet/balance_sheet.py
+++ b/erpnext/accounts/report/balance_sheet/balance_sheet.py
@@ -120,11 +120,11 @@
 	opening_balance = 0
 	float_precision = cint(frappe.db.get_default("float_precision")) or 2
 	if asset:
-		opening_balance = flt(asset[0].get("opening_balance", 0), float_precision)
+		opening_balance = flt(asset[-1].get("opening_balance", 0), float_precision)
 	if liability:
-		opening_balance -= flt(liability[0].get("opening_balance", 0), float_precision)
+		opening_balance -= flt(liability[-1].get("opening_balance", 0), float_precision)
 	if equity:
-		opening_balance -= flt(equity[0].get("opening_balance", 0), float_precision)
+		opening_balance -= flt(equity[-1].get("opening_balance", 0), float_precision)
 
 	opening_balance = flt(opening_balance, float_precision)
 	if opening_balance:
diff --git a/erpnext/accounts/report/financial_statements.py b/erpnext/accounts/report/financial_statements.py
index 03ae0ae..db28cdf 100644
--- a/erpnext/accounts/report/financial_statements.py
+++ b/erpnext/accounts/report/financial_statements.py
@@ -282,7 +282,8 @@
 	total_row = {
 		"account_name": _("Total {0} ({1})").format(_(root_type), _(balance_must_be)),
 		"account": _("Total {0} ({1})").format(_(root_type), _(balance_must_be)),
-		"currency": company_currency
+		"currency": company_currency,
+		"opening_balance": 0.0
 	}
 
 	for row in out:
@@ -294,6 +295,7 @@
 
 			total_row.setdefault("total", 0.0)
 			total_row["total"] += flt(row["total"])
+			total_row["opening_balance"] += row["opening_balance"]
 			row["total"] = ""
 
 	if "total" in total_row:
diff --git a/erpnext/controllers/status_updater.py b/erpnext/controllers/status_updater.py
index 76a7cda..affde4a 100644
--- a/erpnext/controllers/status_updater.py
+++ b/erpnext/controllers/status_updater.py
@@ -400,6 +400,16 @@
 			ref_doc = frappe.get_doc(ref_dt, ref_dn)
 
 			ref_doc.db_set("per_billed", per_billed)
+
+			# set billling status
+			if hasattr(ref_doc, 'billing_status'):
+				if ref_doc.per_billed < 0.001:
+					ref_doc.db_set("billing_status", "Not Billed")
+				elif ref_doc.per_billed > 99.999999:
+					ref_doc.db_set("billing_status", "Fully Billed")
+				else:
+					ref_doc.db_set("billing_status", "Partly Billed")
+
 			ref_doc.set_status(update=True)
 
 def get_allowance_for(item_code, item_allowance=None, global_qty_allowance=None, global_amount_allowance=None, qty_or_amount="qty"):
diff --git a/erpnext/manufacturing/report/production_planning_report/production_planning_report.py b/erpnext/manufacturing/report/production_planning_report/production_planning_report.py
index 8368db6..e1e7225 100644
--- a/erpnext/manufacturing/report/production_planning_report/production_planning_report.py
+++ b/erpnext/manufacturing/report/production_planning_report/production_planning_report.py
@@ -172,10 +172,15 @@
 
 		self.purchase_details = {}
 
-		for d in frappe.get_all("Purchase Order Item",
+		purchased_items = frappe.get_all("Purchase Order Item",
 			fields=["item_code", "min(schedule_date) as arrival_date", "qty as arrival_qty", "warehouse"],
-			filters = {"item_code": ("in", self.item_codes), "warehouse": ("in", self.warehouses)},
-			group_by = "item_code, warehouse"):
+			filters={
+				"item_code": ("in", self.item_codes),
+				"warehouse": ("in", self.warehouses),
+				"docstatus": 1,
+			},
+			group_by = "item_code, warehouse")
+		for d in purchased_items:
 			key = (d.item_code, d.warehouse)
 			if key not in self.purchase_details:
 				self.purchase_details.setdefault(key, d)
diff --git a/erpnext/payroll/doctype/salary_structure/salary_structure.json b/erpnext/payroll/doctype/salary_structure/salary_structure.json
index 5dd1d70..8df9957 100644
--- a/erpnext/payroll/doctype/salary_structure/salary_structure.json
+++ b/erpnext/payroll/doctype/salary_structure/salary_structure.json
@@ -58,6 +58,7 @@
    "width": "50%"
   },
   {
+   "allow_on_submit": 1,
    "default": "Yes",
    "fieldname": "is_active",
    "fieldtype": "Select",
@@ -232,10 +233,11 @@
  "idx": 1,
  "is_submittable": 1,
  "links": [],
- "modified": "2021-03-31 15:41:12.342380",
+ "modified": "2022-02-03 23:50:10.205676",
  "modified_by": "Administrator",
  "module": "Payroll",
  "name": "Salary Structure",
+ "naming_rule": "Set by user",
  "owner": "Administrator",
  "permissions": [
   {
@@ -271,5 +273,6 @@
  ],
  "show_name_in_global_search": 1,
  "sort_field": "modified",
- "sort_order": "DESC"
+ "sort_order": "DESC",
+ "states": []
 }
\ No newline at end of file
diff --git a/erpnext/regional/doctype/gstr_3b_report/gstr_3b_report.py b/erpnext/regional/doctype/gstr_3b_report/gstr_3b_report.py
index d48cd67..cb79cf8 100644
--- a/erpnext/regional/doctype/gstr_3b_report/gstr_3b_report.py
+++ b/erpnext/regional/doctype/gstr_3b_report/gstr_3b_report.py
@@ -295,6 +295,10 @@
 		inter_state_supply_details = {}
 
 		for inv, items_based_on_rate in self.items_based_on_tax_rate.items():
+			gst_category = self.invoice_detail_map.get(inv, {}).get('gst_category')
+			place_of_supply = self.invoice_detail_map.get(inv, {}).get('place_of_supply') or '00-Other Territory'
+			export_type = self.invoice_detail_map.get(inv, {}).get('export_type')
+
 			for rate, items in items_based_on_rate.items():
 				for item_code, taxable_value in self.invoice_items.get(inv).items():
 					if item_code in items:
@@ -302,9 +306,8 @@
 							self.report_dict['sup_details']['osup_nil_exmp']['txval'] += taxable_value
 						elif item_code in self.is_non_gst:
 							self.report_dict['sup_details']['osup_nongst']['txval'] += taxable_value
-						elif rate == 0:
+						elif rate == 0 or (gst_category == 'Overseas' and export_type == 'Without Payment of Tax'):
 							self.report_dict['sup_details']['osup_zero']['txval'] += taxable_value
-							#self.report_dict['sup_details']['osup_zero'][key] += tax_amount
 						else:
 							if inv in self.cgst_sgst_invoices:
 								tax_rate = rate/2
@@ -315,9 +318,6 @@
 								self.report_dict['sup_details']['osup_det']['iamt'] += (taxable_value * rate /100)
 								self.report_dict['sup_details']['osup_det']['txval'] += taxable_value
 
-								gst_category = self.invoice_detail_map.get(inv, {}).get('gst_category')
-								place_of_supply = self.invoice_detail_map.get(inv, {}).get('place_of_supply') or '00-Other Territory'
-
 								if gst_category in ['Unregistered', 'Registered Composition', 'UIN Holders'] and \
 								self.gst_details.get("gst_state") != place_of_supply.split("-")[1]:
 									inter_state_supply_details.setdefault((gst_category, place_of_supply), {
diff --git a/erpnext/selling/doctype/sales_order/test_sales_order.py b/erpnext/selling/doctype/sales_order/test_sales_order.py
index 42bc0b7..acf048e 100644
--- a/erpnext/selling/doctype/sales_order/test_sales_order.py
+++ b/erpnext/selling/doctype/sales_order/test_sales_order.py
@@ -1375,6 +1375,30 @@
 
 		automatically_fetch_payment_terms(enable=0)
 
+	def test_zero_amount_sales_order_billing_status(self):
+		from erpnext.accounts.doctype.sales_invoice.test_sales_invoice import create_sales_invoice
+
+		so = make_sales_order(uom="Nos", do_not_save=1)
+		so.items[0].rate = 0
+		so.save()
+		so.submit()
+
+		self.assertEqual(so.net_total, 0)
+		self.assertEqual(so.billing_status, 'Not Billed')
+
+		si = create_sales_invoice(qty=10, do_not_save=1)
+		si.price_list = '_Test Price List'
+		si.items[0].rate = 0
+		si.items[0].price_list_rate = 0
+		si.items[0].sales_order = so.name
+		si.items[0].so_detail = so.items[0].name
+		si.save()
+		si.submit()
+
+		self.assertEqual(si.net_total, 0)
+		so.load_from_db()
+		self.assertEqual(so.billing_status, 'Fully Billed')
+
 def automatically_fetch_payment_terms(enable=1):
 	accounts_settings = frappe.get_doc("Accounts Settings")
 	accounts_settings.automatically_fetch_payment_terms = enable
diff --git a/erpnext/stock/doctype/landed_cost_voucher/test_landed_cost_voucher.py b/erpnext/stock/doctype/landed_cost_voucher/test_landed_cost_voucher.py
index 9204842..df8cadd 100644
--- a/erpnext/stock/doctype/landed_cost_voucher/test_landed_cost_voucher.py
+++ b/erpnext/stock/doctype/landed_cost_voucher/test_landed_cost_voucher.py
@@ -4,10 +4,11 @@
 
 
 import frappe
-from frappe.utils import flt
+from frappe.utils import add_to_date, flt, now
 
 from erpnext.accounts.doctype.account.test_account import create_account, get_inventory_account
 from erpnext.accounts.doctype.purchase_invoice.test_purchase_invoice import make_purchase_invoice
+from erpnext.accounts.utils import update_gl_entries_after
 from erpnext.assets.doctype.asset.test_asset import create_asset_category, create_fixed_asset_item
 from erpnext.stock.doctype.purchase_receipt.test_purchase_receipt import (
 	get_gl_entries,
@@ -28,7 +29,8 @@
 				"voucher_type": pr.doctype,
 				"voucher_no": pr.name,
 				"item_code": "_Test Item",
-				"warehouse": "Stores - TCP1"
+				"warehouse": "Stores - TCP1",
+				"is_cancelled": 0,
 			},
 			fieldname=["qty_after_transaction", "stock_value"], as_dict=1)
 
@@ -41,14 +43,39 @@
 				"voucher_type": pr.doctype,
 				"voucher_no": pr.name,
 				"item_code": "_Test Item",
-				"warehouse": "Stores - TCP1"
+				"warehouse": "Stores - TCP1",
+				"is_cancelled": 0,
 			},
 			fieldname=["qty_after_transaction", "stock_value"], as_dict=1)
 
 		self.assertEqual(last_sle.qty_after_transaction, last_sle_after_landed_cost.qty_after_transaction)
-
 		self.assertEqual(last_sle_after_landed_cost.stock_value - last_sle.stock_value, 25.0)
 
+		# assert after submit
+		self.assertPurchaseReceiptLCVGLEntries(pr)
+
+		# Mess up cancelled SLE modified timestamp to check
+		# if they aren't effective in any business logic.
+		frappe.db.set_value("Stock Ledger Entry",
+			{
+				"is_cancelled": 1,
+				"voucher_type": pr.doctype,
+				"voucher_no": pr.name
+			},
+			"is_cancelled", 1,
+			modified=add_to_date(now(), hours=1, as_datetime=True, as_string=True)
+		)
+
+		items, warehouses = pr.get_items_and_warehouses()
+		update_gl_entries_after(pr.posting_date, pr.posting_time,
+			warehouses, items, company=pr.company)
+
+		# reassert after reposting
+		self.assertPurchaseReceiptLCVGLEntries(pr)
+
+
+	def assertPurchaseReceiptLCVGLEntries(self, pr):
+
 		gl_entries = get_gl_entries("Purchase Receipt", pr.name)
 
 		self.assertTrue(gl_entries)
@@ -74,8 +101,8 @@
 
 		for gle in gl_entries:
 			if not gle.get('is_cancelled'):
-				self.assertEqual(expected_values[gle.account][0], gle.debit)
-				self.assertEqual(expected_values[gle.account][1], gle.credit)
+				self.assertEqual(expected_values[gle.account][0], gle.debit, msg=f"incorrect debit for {gle.account}")
+				self.assertEqual(expected_values[gle.account][1], gle.credit, msg=f"incorrect credit for {gle.account}")
 
 
 	def test_landed_cost_voucher_against_purchase_invoice(self):
diff --git a/erpnext/stock/doctype/packed_item/packed_item.py b/erpnext/stock/doctype/packed_item/packed_item.py
index e3b5795..07c2f1f 100644
--- a/erpnext/stock/doctype/packed_item/packed_item.py
+++ b/erpnext/stock/doctype/packed_item/packed_item.py
@@ -27,8 +27,7 @@
 
 	stale_packed_items_table = get_indexed_packed_items_table(doc)
 
-	if not doc.is_new():
-		reset = reset_packing_list_if_deleted_items_exist(doc)
+	reset = reset_packing_list(doc)
 
 	for item_row in doc.get("items"):
 		if frappe.db.exists("Product Bundle", {"new_item_code": item_row.item_code}):
@@ -64,20 +63,24 @@
 
 	return indexed_table
 
-def reset_packing_list_if_deleted_items_exist(doc):
-	doc_before_save = doc.get_doc_before_save()
+def reset_packing_list(doc):
+	"Conditionally reset the table and return if it was reset or not."
 	reset_table = False
+	doc_before_save = doc.get_doc_before_save()
 
 	if doc_before_save:
 		# reset table if:
 		# 1. items were deleted
 		# 2. if bundle item replaced by another item (same no. of items but different items)
-		# we maintain list to maintain repeated item rows as well
+		# we maintain list to track recurring item rows as well
 		items_before_save = [item.item_code for item in doc_before_save.get("items")]
 		items_after_save = [item.item_code for item in doc.get("items")]
 		reset_table = items_before_save != items_after_save
 	else:
-		reset_table = True # reset if via Update Items (cannot determine action)
+		# reset: if via Update Items OR
+		# if new mapped doc with packed items set (SO -> DN)
+		# (cannot determine action)
+		reset_table = True
 
 	if reset_table:
 		doc.set("packed_items", [])
diff --git a/erpnext/stock/doctype/packed_item/test_packed_item.py b/erpnext/stock/doctype/packed_item/test_packed_item.py
index ed4eecd..5cbaa1e 100644
--- a/erpnext/stock/doctype/packed_item/test_packed_item.py
+++ b/erpnext/stock/doctype/packed_item/test_packed_item.py
@@ -2,6 +2,7 @@
 # License: GNU General Public License v3. See license.txt
 
 from erpnext.selling.doctype.product_bundle.test_product_bundle import make_product_bundle
+from erpnext.selling.doctype.sales_order.sales_order import 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.tests.utils import ERPNextTestCase, change_settings
@@ -22,7 +23,7 @@
 			qty=2
 		)
 
-	def test_sales_order_adding_bundle_item(self):
+	def test_adding_bundle_item(self):
 		"Test impact on packed items if bundle item row is added."
 		so = make_sales_order(item_code = "_Test Product Bundle X", qty=1,
 			do_not_submit=True)
@@ -32,7 +33,7 @@
 		self.assertEqual(so.packed_items[0].item_code, "_Test Bundle Item 1")
 		self.assertEqual(so.packed_items[0].qty, 2)
 
-	def test_sales_order_updating_bundle_item(self):
+	def test_updating_bundle_item(self):
 		"Test impact on packed items if bundle item row is updated."
 		so = make_sales_order(item_code = "_Test Product Bundle X", qty=1,
 			do_not_submit=True)
@@ -49,7 +50,7 @@
 
 		self.assertEqual(len(so.packed_items), 0)
 
-	def test_sales_order_recurring_bundle_item(self):
+	def test_recurring_bundle_item(self):
 		"Test impact on packed items if same bundle item is added and removed."
 		so_items = []
 		for qty in [2, 4, 6, 8]:
@@ -91,7 +92,7 @@
 		self.assertEqual(so.packed_items[3].qty, 12)
 
 	@change_settings("Selling Settings", {"editable_bundle_item_rates": 1})
-	def test_sales_order_bundle_item_cumulative_price(self):
+	def test_bundle_item_cumulative_price(self):
 		"Test if Bundle Item rate is cumulative from packed items."
 		so = make_sales_order(item_code = "_Test Product Bundle X", qty=2,
 			do_not_submit=True)
@@ -102,3 +103,25 @@
 
 		self.assertEqual(so.items[0].rate, 350)
 		self.assertEqual(so.items[0].amount, 700)
+
+	def test_newly_mapped_doc_packed_items(self):
+		"Test impact on packed items in newly mapped DN from SO."
+		so_items = []
+		for qty in [2, 4]:
+			so_items.append({
+				"item_code": "_Test Product Bundle X",
+				"qty": qty,
+				"rate": 400,
+				"warehouse": "_Test Warehouse - _TC"
+			})
+
+		# create SO with recurring bundle item
+		so = make_sales_order(item_list=so_items)
+
+		dn = make_delivery_note(so.name)
+		dn.items[1].qty = 3 # change second row qty for inserting doc
+		dn.save()
+
+		self.assertEqual(len(dn.packed_items), 4)
+		self.assertEqual(dn.packed_items[2].qty, 6)
+		self.assertEqual(dn.packed_items[3].qty, 6)
\ No newline at end of file
diff --git a/erpnext/stock/doctype/purchase_receipt/purchase_receipt.py b/erpnext/stock/doctype/purchase_receipt/purchase_receipt.py
index 1257057..ffdf8c4 100644
--- a/erpnext/stock/doctype/purchase_receipt/purchase_receipt.py
+++ b/erpnext/stock/doctype/purchase_receipt/purchase_receipt.py
@@ -286,7 +286,7 @@
 				if warehouse_account.get(d.warehouse):
 					stock_value_diff = frappe.db.get_value("Stock Ledger Entry",
 						{"voucher_type": "Purchase Receipt", "voucher_no": self.name,
-						"voucher_detail_no": d.name, "warehouse": d.warehouse}, "stock_value_difference")
+						"voucher_detail_no": d.name, "warehouse": d.warehouse, "is_cancelled": 0}, "stock_value_difference")
 
 					if not stock_value_diff:
 						continue