chore(release): Bumped to Version 16.18.2

## [16.18.2](https://github.com/frappe/erpnext/compare/v16.18.1...v16.18.2) (2026-05-14)

### Bug Fixes

* posting date and time ([ab09029](ab090295d9))

erpnext/__init__.py

@@ -6,7 +6,7 @@ import frappe
 from frappe.model.document import Document
 from frappe.utils.user import is_website_user
 
-__version__ = "16.15.1"
+__version__ = "16.18.2"
 
 
 def get_default_company(user=None):

erpnext/controllers/buying_controller.py

@@ -461,17 +461,7 @@ class BuyingController(SubcontractingController):
 						get_conversion_factor(item.item_code, item.uom).get("conversion_factor") or 1.0
 					)
 
-				net_rate = (
-					flt(
-						(item.base_net_amount / item.received_qty) * item.qty,
-						item.precision("base_net_amount"),
-					)
-					if item.received_qty
-					and frappe.get_single_value(
-						"Buying Settings", "bill_for_rejected_quantity_in_purchase_invoice"
-					)
-					else item.base_net_amount
-				)
+				net_rate = item.base_net_amount
 				if item.sales_incoming_rate:  # for internal transfer
 					net_rate = item.qty * item.sales_incoming_rate
 

erpnext/controllers/taxes_and_totals.py

@@ -169,10 +169,6 @@ class calculate_taxes_and_totals:
 			return
 
 		if not self.discount_amount_applied:
-			bill_for_rejected_quantity_in_purchase_invoice = frappe.get_single_value(
-				"Buying Settings", "bill_for_rejected_quantity_in_purchase_invoice"
-			)
-
 			do_not_round_fields = ["valuation_rate", "incoming_rate"]
 
 			for item in self.doc.items:
@@ -236,13 +232,7 @@ class calculate_taxes_and_totals:
 				elif not item.qty and self.doc.get("is_debit_note"):
 					item.amount = flt(item.rate, item.precision("amount"))
 				else:
-					qty = (
-						(item.qty + item.rejected_qty)
-						if bill_for_rejected_quantity_in_purchase_invoice
-						and self.doc.doctype == "Purchase Receipt"
-						else item.qty
-					)
-					item.amount = flt(item.rate * qty, item.precision("amount"))
+					item.amount = flt(item.rate * item.qty, item.precision("amount"))
 
 				item.net_amount = item.amount
 
@@ -402,16 +392,9 @@ class calculate_taxes_and_totals:
 			self.doc.total
 		) = self.doc.base_total = self.doc.net_total = self.doc.base_net_total = 0.0
 
-		bill_for_rejected_quantity_in_purchase_invoice = frappe.get_single_value(
-			"Buying Settings", "bill_for_rejected_quantity_in_purchase_invoice"
-		)
 		for item in self._items:
 			self.doc.total += item.amount
-			self.doc.total_qty += (
-				(item.qty + item.rejected_qty)
-				if bill_for_rejected_quantity_in_purchase_invoice and self.doc.doctype == "Purchase Receipt"
-				else item.qty
-			)
+			self.doc.total_qty += item.qty
 			self.doc.base_total += item.base_amount
 			self.doc.net_total += item.net_amount
 			self.doc.base_net_total += item.base_net_amount

erpnext/stock/doctype/purchase_receipt/purchase_receipt.py

@@ -561,14 +561,7 @@ class PurchaseReceipt(BuyingController):
 				else flt(item.net_amount, item.precision("net_amount"))
 			)
 
-			outgoing_amount = (
-				flt((item.base_net_amount / item.received_qty) * item.qty, item.precision("base_net_amount"))
-				if item.received_qty
-				and frappe.get_single_value(
-					"Buying Settings", "bill_for_rejected_quantity_in_purchase_invoice"
-				)
-				else item.base_net_amount
-			)
+			outgoing_amount = item.base_net_amount
 			if self.is_internal_transfer() and item.valuation_rate:
 				outgoing_amount = abs(get_stock_value_difference(self.name, item.name, item.from_warehouse))
 				credit_amount = outgoing_amount

erpnext/stock/doctype/purchase_receipt/test_purchase_receipt.py

@@ -4610,7 +4610,7 @@ class TestPurchaseReceipt(ERPNextTestSuite):
 
 		self.assertEqual(srbnb_cost, 1500)
 
-	def test_valuation_rate_for_rejected_materials_without_accepted_materials(self):
+	def test_valuation_rate_for_rejected_materials_withoout_accepted_materials(self):
 		item = make_item("Test Item with Rej Material Valuation WO Accepted", {"is_stock_item": 1})
 		company = "_Test Company with perpetual inventory"
 
@@ -5423,33 +5423,6 @@ class TestPurchaseReceipt(ERPNextTestSuite):
 			self.assertEqual(row.warehouse, "_Test Warehouse 1 - _TC")
 			self.assertEqual(row.incoming_rate, 100)
 
-	def test_bill_for_rejected_quantity_in_purchase_invoice(self):
-		item_code = make_item("Test Rejected Qty", {"is_stock_item": 1}).name
-
-		with self.change_settings("Buying Settings", {"bill_for_rejected_quantity_in_purchase_invoice": 0}):
-			pr = make_purchase_receipt(
-				item_code=item_code,
-				qty=10,
-				rejected_qty=2,
-				rate=10,
-				warehouse="_Test Warehouse - _TC",
-			)
-
-			self.assertEqual(pr.total_qty, 10)
-			self.assertEqual(pr.total, 100)
-
-		with self.change_settings("Buying Settings", {"bill_for_rejected_quantity_in_purchase_invoice": 1}):
-			pr = make_purchase_receipt(
-				item_code=item_code,
-				qty=10,
-				rejected_qty=2,
-				rate=10,
-				warehouse="_Test Warehouse - _TC",
-			)
-
-			self.assertEqual(pr.total_qty, 12)
-			self.assertEqual(pr.total, 120)
-
 	def test_different_exchange_rate_in_pr_and_pi(self):
 		from erpnext.accounts.doctype.account.test_account import create_account
 

erpnext/stock/serial_batch_bundle.py

@@ -1069,6 +1069,12 @@ class SerialBatchCreation:
 		self.__dict__.update(item_details)
 
 	def set_other_details(self):
+		from erpnext.stock.utils import get_combine_datetime
+
+		if not self.get("posting_datetime"):
+			if self.get("posting_date") and self.get("posting_time"):
+				self.posting_datetime = get_combine_datetime(self.posting_date, self.posting_time)
+
 		if not self.get("posting_datetime"):
 			self.posting_datetime = now()
 			self.__dict__["posting_datetime"] = self.posting_datetime