diff --git a/erpnext/accounts/doctype/payment_entry/payment_entry.js b/erpnext/accounts/doctype/payment_entry/payment_entry.js
index b2b818a214dd..7315ae893651 100644
--- a/erpnext/accounts/doctype/payment_entry/payment_entry.js
+++ b/erpnext/accounts/doctype/payment_entry/payment_entry.js
@@ -532,7 +532,8 @@ frappe.ui.form.on('Payment Entry', {
 				to_currency: to_currency
 			},
 			callback: function(r, rt) {
-				frm.set_value(exchange_rate_field, r.message);
+				const ex_rate = flt(r.message, frm.get_field(exchange_rate_field).get_precision());
+				frm.set_value(exchange_rate_field, ex_rate);
 			}
 		})
 	},
diff --git a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.js b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.js
index 0af3f2c513a3..ee29d2a74485 100644
--- a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.js
+++ b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.js
@@ -276,6 +276,8 @@ erpnext.accounts.PurchaseInvoice = class PurchaseInvoice extends erpnext.buying.
 		if(this.frm.updating_party_details || this.frm.doc.inter_company_invoice_reference)
 			return;
 
+		if (this.frm.doc.__onload && this.frm.doc.__onload.load_after_mapping) return;
+
 		erpnext.utils.get_party_details(this.frm, "erpnext.accounts.party.get_party_details",
 			{
 				posting_date: this.frm.doc.posting_date,
diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.js b/erpnext/accounts/doctype/sales_invoice/sales_invoice.js
index af6a52a6429a..6818955c2f1e 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.js
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.js
@@ -280,6 +280,9 @@ erpnext.accounts.SalesInvoiceController = class SalesInvoiceController extends e
 		}
 		var me = this;
 		if(this.frm.updating_party_details) return;
+
+		if (this.frm.doc.__onload && this.frm.doc.__onload.load_after_mapping) return;
+
 		erpnext.utils.get_party_details(this.frm,
 			"erpnext.accounts.party.get_party_details", {
 				posting_date: this.frm.doc.posting_date,
diff --git a/erpnext/accounts/general_ledger.py b/erpnext/accounts/general_ledger.py
index 50f37be27b8b..f52e517f7308 100644
--- a/erpnext/accounts/general_ledger.py
+++ b/erpnext/accounts/general_ledger.py
@@ -253,7 +253,7 @@ def save_entries(gl_map, adv_adj, update_outstanding, from_repost=False):
 	if not from_repost:
 		validate_cwip_accounts(gl_map)
 
-	round_off_debit_credit(gl_map)
+	process_debit_credit_difference(gl_map)
 
 	if gl_map:
 		check_freezing_date(gl_map[0]["posting_date"], adv_adj)
@@ -302,12 +302,29 @@ def validate_cwip_accounts(gl_map):
 				)
 
 
-def round_off_debit_credit(gl_map):
+def process_debit_credit_difference(gl_map):
 	precision = get_field_precision(
 		frappe.get_meta("GL Entry").get_field("debit"),
 		currency=frappe.get_cached_value("Company", gl_map[0].company, "default_currency"),
 	)
 
+	voucher_type = gl_map[0].voucher_type
+	voucher_no = gl_map[0].voucher_no
+	allowance = get_debit_credit_allowance(voucher_type, precision)
+
+	debit_credit_diff = get_debit_credit_difference(gl_map, precision)
+	if abs(debit_credit_diff) > allowance:
+		raise_debit_credit_not_equal_error(debit_credit_diff, voucher_type, voucher_no)
+
+	elif abs(debit_credit_diff) >= (1.0 / (10**precision)):
+		make_round_off_gle(gl_map, debit_credit_diff, precision)
+
+	debit_credit_diff = get_debit_credit_difference(gl_map, precision)
+	if abs(debit_credit_diff) > allowance:
+		raise_debit_credit_not_equal_error(debit_credit_diff, voucher_type, voucher_no)
+
+
+def get_debit_credit_difference(gl_map, precision):
 	debit_credit_diff = 0.0
 	for entry in gl_map:
 		entry.debit = flt(entry.debit, precision)
@@ -316,20 +333,24 @@ def round_off_debit_credit(gl_map):
 
 	debit_credit_diff = flt(debit_credit_diff, precision)
 
-	if gl_map[0]["voucher_type"] in ("Journal Entry", "Payment Entry"):
+	return debit_credit_diff
+
+
+def get_debit_credit_allowance(voucher_type, precision):
+	if voucher_type in ("Journal Entry", "Payment Entry"):
 		allowance = 5.0 / (10**precision)
 	else:
 		allowance = 0.5
 
-	if abs(debit_credit_diff) > allowance:
-		frappe.throw(
-			_("Debit and Credit not equal for {0} #{1}. Difference is {2}.").format(
-				gl_map[0].voucher_type, gl_map[0].voucher_no, debit_credit_diff
-			)
-		)
+	return allowance
 
-	elif abs(debit_credit_diff) >= (1.0 / (10**precision)):
-		make_round_off_gle(gl_map, debit_credit_diff, precision)
+
+def raise_debit_credit_not_equal_error(debit_credit_diff, voucher_type, voucher_no):
+	frappe.throw(
+		_("Debit and Credit not equal for {0} #{1}. Difference is {2}.").format(
+			voucher_type, voucher_no, debit_credit_diff
+		)
+	)
 
 
 def make_round_off_gle(gl_map, debit_credit_diff, precision):
diff --git a/erpnext/e_commerce/doctype/e_commerce_settings/e_commerce_settings.py b/erpnext/e_commerce/doctype/e_commerce_settings/e_commerce_settings.py
index b5cd067e38f9..881d833eb01a 100644
--- a/erpnext/e_commerce/doctype/e_commerce_settings/e_commerce_settings.py
+++ b/erpnext/e_commerce/doctype/e_commerce_settings/e_commerce_settings.py
@@ -146,12 +146,7 @@ def validate_cart_settings(doc=None, method=None):
 
 
 def get_shopping_cart_settings():
-	if not getattr(frappe.local, "shopping_cart_settings", None):
-		frappe.local.shopping_cart_settings = frappe.get_doc(
-			"E Commerce Settings", "E Commerce Settings"
-		)
-
-	return frappe.local.shopping_cart_settings
+	return frappe.get_cached_doc("E Commerce Settings")
 
 
 @frappe.whitelist(allow_guest=True)
diff --git a/erpnext/education/doctype/education_settings/education_settings.py b/erpnext/education/doctype/education_settings/education_settings.py
index cde5089e88d1..295aa3a4cba7 100644
--- a/erpnext/education/doctype/education_settings/education_settings.py
+++ b/erpnext/education/doctype/education_settings/education_settings.py
@@ -41,4 +41,4 @@ def validate(self):
 
 
 def update_website_context(context):
-	context["lms_enabled"] = frappe.get_doc("Education Settings").enable_lms
+	context["lms_enabled"] = frappe.get_cached_doc("Education Settings").enable_lms
diff --git a/erpnext/education/doctype/student_admission/templates/student_admission_row.html b/erpnext/education/doctype/student_admission/templates/student_admission_row.html
index 529d65184a89..dc4587bc9409 100644
--- a/erpnext/education/doctype/student_admission/templates/student_admission_row.html
+++ b/erpnext/education/doctype/student_admission/templates/student_admission_row.html
@@ -1,6 +1,6 @@
 <div class="web-list-item transaction-list-item">
 	{% set today = frappe.utils.getdate(frappe.utils.nowdate()) %}
-	<a href = "{{ doc.route }}/" class="no-underline">
+	<a href = "{{ doc.route }}" class="no-underline">
 		<div class="row">
 			<div class="col-sm-4 bold">
 				<span class="indicator
diff --git a/erpnext/hr/doctype/leave_application/leave_application.py b/erpnext/hr/doctype/leave_application/leave_application.py
index 18c69f7113af..cd6b16866753 100755
--- a/erpnext/hr/doctype/leave_application/leave_application.py
+++ b/erpnext/hr/doctype/leave_application/leave_application.py
@@ -735,9 +735,9 @@ def get_number_of_leave_days(
 	(Based on the include_holiday setting in Leave Type)"""
 	number_of_days = 0
 	if cint(half_day) == 1:
-		if from_date == to_date:
+		if getdate(from_date) == getdate(to_date):
 			number_of_days = 0.5
-		elif half_day_date and half_day_date <= to_date:
+		elif half_day_date and getdate(from_date) <= getdate(half_day_date) <= getdate(to_date):
 			number_of_days = date_diff(to_date, from_date) + 0.5
 		else:
 			number_of_days = date_diff(to_date, from_date) + 1
diff --git a/erpnext/hr/doctype/leave_application/test_leave_application.py b/erpnext/hr/doctype/leave_application/test_leave_application.py
index f33d0afa4ebf..4c39e15c93d7 100644
--- a/erpnext/hr/doctype/leave_application/test_leave_application.py
+++ b/erpnext/hr/doctype/leave_application/test_leave_application.py
@@ -205,7 +205,12 @@ def test_separate_leave_ledger_entry_for_boundary_applications(self):
 		# creates separate leave ledger entries
 		frappe.delete_doc_if_exists("Leave Type", "Test Leave Validation", force=1)
 		leave_type = frappe.get_doc(
-			dict(leave_type_name="Test Leave Validation", doctype="Leave Type", allow_negative=True)
+			dict(
+				leave_type_name="Test Leave Validation",
+				doctype="Leave Type",
+				allow_negative=True,
+				include_holiday=True,
+			)
 		).insert()
 
 		employee = get_employee()
@@ -217,8 +222,14 @@ def test_separate_leave_ledger_entry_for_boundary_applications(self):
 		# application across allocations
 
 		# CASE 1: from date has no allocation, to date has an allocation / both dates have allocation
+		start_date = add_days(year_start, -10)
 		application = make_leave_application(
-			employee.name, add_days(year_start, -10), add_days(year_start, 3), leave_type.name
+			employee.name,
+			start_date,
+			add_days(year_start, 3),
+			leave_type.name,
+			half_day=1,
+			half_day_date=start_date,
 		)
 
 		# 2 separate leave ledger entries
@@ -828,6 +839,7 @@ def test_ledger_entry_creation_on_intermediate_allocation_expiry(self):
 			leave_type_name="_Test_CF_leave_expiry",
 			is_carry_forward=1,
 			expire_carry_forwarded_leaves_after_days=90,
+			include_holiday=True,
 		)
 		leave_type.submit()
 
@@ -840,6 +852,8 @@ def test_ledger_entry_creation_on_intermediate_allocation_expiry(self):
 				leave_type=leave_type.name,
 				from_date=add_days(nowdate(), -3),
 				to_date=add_days(nowdate(), 7),
+				half_day=1,
+				half_day_date=add_days(nowdate(), -3),
 				description="_Test Reason",
 				company="_Test Company",
 				docstatus=1,
@@ -855,7 +869,7 @@ def test_ledger_entry_creation_on_intermediate_allocation_expiry(self):
 		self.assertEqual(len(leave_ledger_entry), 2)
 		self.assertEqual(leave_ledger_entry[0].employee, leave_application.employee)
 		self.assertEqual(leave_ledger_entry[0].leave_type, leave_application.leave_type)
-		self.assertEqual(leave_ledger_entry[0].leaves, -9)
+		self.assertEqual(leave_ledger_entry[0].leaves, -8.5)
 		self.assertEqual(leave_ledger_entry[1].leaves, -2)
 
 	def test_leave_application_creation_after_expiry(self):
diff --git a/erpnext/loan_management/doctype/loan_repayment/loan_repayment.py b/erpnext/loan_management/doctype/loan_repayment/loan_repayment.py
index 8cffe88f3248..9033a3ac4160 100644
--- a/erpnext/loan_management/doctype/loan_repayment/loan_repayment.py
+++ b/erpnext/loan_management/doctype/loan_repayment/loan_repayment.py
@@ -745,6 +745,8 @@ def calculate_amounts(against_loan, posting_date, payment_type=""):
 	if payment_type == "Loan Closure":
 		amounts["payable_principal_amount"] = amounts["pending_principal_amount"]
 		amounts["interest_amount"] += amounts["unaccrued_interest"]
-		amounts["payable_amount"] = amounts["payable_principal_amount"] + amounts["interest_amount"]
+		amounts["payable_amount"] = (
+			amounts["payable_principal_amount"] + amounts["interest_amount"] + amounts["penalty_amount"]
+		)
 
 	return amounts
diff --git a/erpnext/payroll/doctype/salary_slip/test_salary_slip.py b/erpnext/payroll/doctype/salary_slip/test_salary_slip.py
index e1d1fa1fcb46..dbeadc590041 100644
--- a/erpnext/payroll/doctype/salary_slip/test_salary_slip.py
+++ b/erpnext/payroll/doctype/salary_slip/test_salary_slip.py
@@ -1290,7 +1290,16 @@ def create_additional_salary(employee, payroll_period, amount):
 	return salary_date
 
 
-def make_leave_application(employee, from_date, to_date, leave_type, company=None, submit=True):
+def make_leave_application(
+	employee,
+	from_date,
+	to_date,
+	leave_type,
+	company=None,
+	half_day=False,
+	half_day_date=None,
+	submit=True,
+):
 	leave_application = frappe.get_doc(
 		dict(
 			doctype="Leave Application",
@@ -1298,6 +1307,8 @@ def make_leave_application(employee, from_date, to_date, leave_type, company=Non
 			leave_type=leave_type,
 			from_date=from_date,
 			to_date=to_date,
+			half_day=half_day,
+			half_day_date=half_day_date,
 			company=company or erpnext.get_default_company() or "_Test Company",
 			status="Approved",
 			leave_approver="test@example.com",
diff --git a/erpnext/public/js/controllers/transaction.js b/erpnext/public/js/controllers/transaction.js
index 57cbe91fa091..fa41e1bf0a32 100644
--- a/erpnext/public/js/controllers/transaction.js
+++ b/erpnext/public/js/controllers/transaction.js
@@ -403,17 +403,6 @@ erpnext.TransactionController = class TransactionController extends erpnext.taxe
 		var sms_man = new erpnext.SMSManager(this.frm.doc);
 	}
 
-	barcode(doc, cdt, cdn) {
-		const d = locals[cdt][cdn];
-		if (!d.barcode) {
-			// barcode cleared, remove item
-			d.item_code = "";
-		}
-		// flag required for circular triggers
-		d._triggerd_from_barcode = true;
-		this.item_code(doc, cdt, cdn);
-	}
-
 	item_code(doc, cdt, cdn) {
 		var me = this;
 		var item = frappe.get_doc(cdt, cdn);
@@ -431,9 +420,7 @@ erpnext.TransactionController = class TransactionController extends erpnext.taxe
 			this.frm.doc.doctype === 'Delivery Note') {
 			show_batch_dialog = 1;
 		}
-		if (!item._triggerd_from_barcode) {
-			item.barcode = null;
-		}
+		item.barcode = null;
 
 
 		if(item.item_code || item.barcode || item.serial_no) {
@@ -539,6 +526,12 @@ erpnext.TransactionController = class TransactionController extends erpnext.taxe
 											if(!d[k]) d[k] = v;
 										});
 
+										if (d.__disable_batch_serial_selector) {
+											// reset for future use.
+											d.__disable_batch_serial_selector = false;
+											return;
+										}
+
 										if (d.has_batch_no && d.has_serial_no) {
 											d.batch_no = undefined;
 										}
diff --git a/erpnext/public/js/utils/barcode_scanner.js b/erpnext/public/js/utils/barcode_scanner.js
index abea5fcb20bb..80a463f85c92 100644
--- a/erpnext/public/js/utils/barcode_scanner.js
+++ b/erpnext/public/js/utils/barcode_scanner.js
@@ -21,9 +21,7 @@ erpnext.utils.BarcodeScanner = class BarcodeScanner {
 		//     batch_no: "LOT12", // present if batch was scanned
 		//     serial_no: "987XYZ", // present if serial no was scanned
 		// }
-		this.scan_api =
-			opts.scan_api ||
-			"erpnext.selling.page.point_of_sale.point_of_sale.search_for_serial_or_batch_or_barcode_number";
+		this.scan_api = opts.scan_api || "erpnext.stock.utils.scan_barcode";
 	}
 
 	process_scan() {
@@ -52,14 +50,16 @@ erpnext.utils.BarcodeScanner = class BarcodeScanner {
 					return;
 				}
 
-				me.update_table(data.item_code, data.barcode, data.batch_no, data.serial_no);
+				me.update_table(data);
 			});
 	}
 
-	update_table(item_code, barcode, batch_no, serial_no) {
+	update_table(data) {
 		let cur_grid = this.frm.fields_dict[this.items_table_name].grid;
 		let row = null;
 
+		const {item_code, barcode, batch_no, serial_no} = data;
+
 		// Check if batch is scanned and table has batch no field
 		let batch_no_scan =
 			Boolean(batch_no) && frappe.meta.has_field(cur_grid.doctype, this.batch_no_field);
@@ -84,6 +84,7 @@ erpnext.utils.BarcodeScanner = class BarcodeScanner {
 		}
 
 		this.show_scan_message(row.idx, row.item_code);
+		this.set_selector_trigger_flag(row, data);
 		this.set_item(row, item_code);
 		this.set_serial_no(row, serial_no);
 		this.set_batch_no(row, batch_no);
@@ -91,6 +92,19 @@ erpnext.utils.BarcodeScanner = class BarcodeScanner {
 		this.clean_up();
 	}
 
+	// batch and serial selector is reduandant when all info can be added by scan
+	// this flag on item row is used by transaction.js to avoid triggering selector
+	set_selector_trigger_flag(row, data) {
+		const {batch_no, serial_no, has_batch_no, has_serial_no} = data;
+
+		const require_selecting_batch = has_batch_no && !batch_no;
+		const require_selecting_serial = has_serial_no && !serial_no;
+
+		if (!(require_selecting_batch || require_selecting_serial)) {
+			row.__disable_batch_serial_selector = true;
+		}
+	}
+
 	set_item(row, item_code) {
 		const item_data = { item_code: item_code };
 		item_data[this.qty_field] = (row[this.qty_field] || 0) + 1;
diff --git a/erpnext/selling/page/point_of_sale/point_of_sale.py b/erpnext/selling/page/point_of_sale/point_of_sale.py
index bf629824ad99..99afe813cb99 100644
--- a/erpnext/selling/page/point_of_sale/point_of_sale.py
+++ b/erpnext/selling/page/point_of_sale/point_of_sale.py
@@ -3,12 +3,14 @@
 
 
 import json
+from typing import Dict, Optional
 
 import frappe
 from frappe.utils.nestedset import get_root_of
 
 from erpnext.accounts.doctype.pos_invoice.pos_invoice import get_stock_availability
 from erpnext.accounts.doctype.pos_profile.pos_profile import get_child_nodes, get_item_groups
+from erpnext.stock.utils import scan_barcode
 
 
 def search_by_term(search_term, warehouse, price_list):
@@ -150,29 +152,8 @@ def get_items(start, page_length, price_list, item_group, pos_profile, search_te
 
 
 @frappe.whitelist()
-def search_for_serial_or_batch_or_barcode_number(search_value):
-	# search barcode no
-	barcode_data = frappe.db.get_value(
-		"Item Barcode", {"barcode": search_value}, ["barcode", "parent as item_code"], as_dict=True
-	)
-	if barcode_data:
-		return barcode_data
-
-	# search serial no
-	serial_no_data = frappe.db.get_value(
-		"Serial No", search_value, ["name as serial_no", "item_code"], as_dict=True
-	)
-	if serial_no_data:
-		return serial_no_data
-
-	# search batch no
-	batch_no_data = frappe.db.get_value(
-		"Batch", search_value, ["name as batch_no", "item as item_code"], as_dict=True
-	)
-	if batch_no_data:
-		return batch_no_data
-
-	return {}
+def search_for_serial_or_batch_or_barcode_number(search_value: str) -> Dict[str, Optional[str]]:
+	return scan_barcode(search_value)
 
 
 def get_conditions(search_term):
diff --git a/erpnext/setup/doctype/company/company_dashboard.py b/erpnext/setup/doctype/company/company_dashboard.py
index ff1e7f1103b2..2d073c1d77ed 100644
--- a/erpnext/setup/doctype/company/company_dashboard.py
+++ b/erpnext/setup/doctype/company/company_dashboard.py
@@ -14,7 +14,7 @@ def get_data():
 			"goal_doctype_link": "company",
 			"goal_field": "base_grand_total",
 			"date_field": "posting_date",
-			"filter_str": "docstatus = 1 and is_opening != 'Yes'",
+			"filters": {"docstatus": 1, "is_opening": ("!=", "Yes")},
 			"aggregation": "sum",
 		},
 		"fieldname": "company",
diff --git a/erpnext/stock/doctype/delivery_note_item/delivery_note_item.json b/erpnext/stock/doctype/delivery_note_item/delivery_note_item.json
index f1f5d96e6289..e2eb2a4bbb27 100644
--- a/erpnext/stock/doctype/delivery_note_item/delivery_note_item.json
+++ b/erpnext/stock/doctype/delivery_note_item/delivery_note_item.json
@@ -74,6 +74,7 @@
   "against_sales_invoice",
   "si_detail",
   "dn_detail",
+  "pick_list_item",
   "section_break_40",
   "batch_no",
   "serial_no",
@@ -762,13 +763,22 @@
    "fieldtype": "Check",
    "label": "Grant Commission",
    "read_only": 1
+  },
+  {
+   "fieldname": "pick_list_item",
+   "fieldtype": "Data",
+   "hidden": 1,
+   "label": "Pick List Item",
+   "no_copy": 1,
+   "print_hide": 1,
+   "read_only": 1
   }
  ],
  "idx": 1,
  "index_web_pages_for_search": 1,
  "istable": 1,
  "links": [],
- "modified": "2022-02-24 14:42:20.211085",
+ "modified": "2022-03-31 18:36:24.671913",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Delivery Note Item",
diff --git a/erpnext/stock/doctype/item_barcode/item_barcode.json b/erpnext/stock/doctype/item_barcode/item_barcode.json
index d89ca55a4f3f..eef70c95d05c 100644
--- a/erpnext/stock/doctype/item_barcode/item_barcode.json
+++ b/erpnext/stock/doctype/item_barcode/item_barcode.json
@@ -1,109 +1,42 @@
 {
- "allow_copy": 0, 
- "allow_events_in_timeline": 0, 
- "allow_guest_to_view": 0, 
- "allow_import": 0, 
- "allow_rename": 0, 
- "autoname": "field:barcode", 
- "beta": 0, 
- "creation": "2017-12-09 18:54:50.562438", 
- "custom": 0, 
- "docstatus": 0, 
- "doctype": "DocType", 
- "document_type": "", 
- "editable_grid": 1, 
- "engine": "InnoDB", 
+ "actions": [],
+ "autoname": "hash",
+ "creation": "2022-02-11 11:26:22.155183",
+ "doctype": "DocType",
+ "engine": "InnoDB",
+ "field_order": [
+  "barcode",
+  "barcode_type"
+ ],
  "fields": [
   {
-   "allow_bulk_edit": 0, 
-   "allow_in_quick_entry": 0, 
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "barcode", 
-   "fieldtype": "Data", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 1, 
-   "in_list_view": 1, 
-   "in_standard_filter": 0, 
-   "label": "Barcode", 
-   "length": 0, 
-   "no_copy": 1, 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "translatable": 0, 
+   "fieldname": "barcode",
+   "fieldtype": "Data",
+   "in_global_search": 1,
+   "in_list_view": 1,
+   "label": "Barcode",
+   "no_copy": 1,
    "unique": 1
-  }, 
+  },
   {
-   "allow_bulk_edit": 0, 
-   "allow_in_quick_entry": 0, 
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "columns": 0, 
-   "fieldname": "barcode_type", 
-   "fieldtype": "Select", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
-   "in_list_view": 1, 
-   "in_standard_filter": 0, 
-   "label": "Barcode Type", 
-   "length": 0, 
-   "no_copy": 0, 
-   "options": "\nEAN\nUPC-A", 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 0, 
-   "remember_last_selected_value": 0, 
-   "report_hide": 0, 
-   "reqd": 0, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "translatable": 0, 
-   "unique": 0
+   "fieldname": "barcode_type",
+   "fieldtype": "Select",
+   "in_list_view": 1,
+   "label": "Barcode Type",
+   "options": "\nEAN\nUPC-A"
   }
- ], 
- "has_web_view": 0, 
- "hide_heading": 0, 
- "hide_toolbar": 0, 
- "idx": 0, 
- "image_view": 0, 
- "in_create": 0, 
- "is_submittable": 0, 
- "issingle": 0, 
- "istable": 1, 
- "max_attachments": 0, 
- "modified": "2018-11-13 06:03:09.814357", 
- "modified_by": "Administrator", 
- "module": "Stock", 
- "name": "Item Barcode", 
- "name_case": "", 
- "owner": "Administrator", 
- "permissions": [], 
- "quick_entry": 1, 
- "read_only": 0, 
- "read_only_onload": 0, 
- "show_name_in_global_search": 0, 
- "sort_field": "modified", 
- "sort_order": "DESC", 
- "track_changes": 1, 
- "track_seen": 0, 
- "track_views": 0
+ ],
+ "istable": 1,
+ "links": [],
+ "modified": "2022-04-01 05:54:27.314030",
+ "modified_by": "Administrator",
+ "module": "Stock",
+ "name": "Item Barcode",
+ "naming_rule": "Random",
+ "owner": "Administrator",
+ "permissions": [],
+ "sort_field": "modified",
+ "sort_order": "DESC",
+ "states": [],
+ "track_changes": 1
 }
\ No newline at end of file
diff --git a/erpnext/stock/doctype/pick_list/pick_list.py b/erpnext/stock/doctype/pick_list/pick_list.py
index 7061ee1eea4b..d3476a88f054 100644
--- a/erpnext/stock/doctype/pick_list/pick_list.py
+++ b/erpnext/stock/doctype/pick_list/pick_list.py
@@ -534,6 +534,7 @@ def map_pl_locations(pick_list, item_mapper, delivery_note, sales_order=None):
 			dn_item = map_child_doc(source_doc, delivery_note, table_mapper)
 
 			if dn_item:
+				dn_item.pick_list_item = location.name
 				dn_item.warehouse = location.warehouse
 				dn_item.qty = flt(location.picked_qty) / (flt(location.conversion_factor) or 1)
 				dn_item.batch_no = location.batch_no
diff --git a/erpnext/stock/doctype/pick_list/test_pick_list.py b/erpnext/stock/doctype/pick_list/test_pick_list.py
index 7496b6b1798c..ec5011b93d6f 100644
--- a/erpnext/stock/doctype/pick_list/test_pick_list.py
+++ b/erpnext/stock/doctype/pick_list/test_pick_list.py
@@ -521,6 +521,8 @@ def test_multiple_dn_creation(self):
 			for dn_item in frappe.get_doc("Delivery Note", dn.name).get("items"):
 				self.assertEqual(dn_item.item_code, "_Test Item")
 				self.assertEqual(dn_item.against_sales_order, sales_order_1.name)
+				self.assertEqual(dn_item.pick_list_item, pick_list.locations[dn_item.idx - 1].name)
+
 		for dn in frappe.get_all(
 			"Delivery Note",
 			filters={"pick_list": pick_list.name, "customer": "_Test Customer 1"},
diff --git a/erpnext/stock/doctype/stock_entry/stock_entry.js b/erpnext/stock/doctype/stock_entry/stock_entry.js
index a94087821a5a..0669f55d4a68 100644
--- a/erpnext/stock/doctype/stock_entry/stock_entry.js
+++ b/erpnext/stock/doctype/stock_entry/stock_entry.js
@@ -646,21 +646,6 @@ frappe.ui.form.on('Stock Entry Detail', {
 		frm.events.calculate_basic_amount(frm, item);
 	},
 
-	barcode: function(doc, cdt, cdn) {
-		var d = locals[cdt][cdn];
-		if (d.barcode) {
-			frappe.call({
-				method: "erpnext.stock.get_item_details.get_item_code",
-				args: {"barcode": d.barcode },
-				callback: function(r) {
-					if (!r.exe){
-						frappe.model.set_value(cdt, cdn, "item_code", r.message);
-					}
-				}
-			});
-		}
-	},
-
 	uom: function(doc, cdt, cdn) {
 		var d = locals[cdt][cdn];
 		if(d.uom && d.item_code){
diff --git a/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.js b/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.js
index 84f65a077e0c..05dd105d99d2 100644
--- a/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.js
+++ b/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.js
@@ -55,6 +55,25 @@ frappe.ui.form.on("Stock Reconciliation", {
 		}
 	},
 
+	scan_barcode: function(frm) {
+		const barcode_scanner = new erpnext.utils.BarcodeScanner({frm:frm});
+		barcode_scanner.process_scan();
+	},
+
+	scan_mode: function(frm) {
+		if (frm.doc.scan_mode) {
+			frappe.show_alert({
+				message: __("Scan mode enabled, existing quantity will not be fetched."),
+				indicator: "green"
+			});
+		}
+	},
+
+	set_warehouse: function(frm) {
+		let transaction_controller = new erpnext.TransactionController({frm:frm});
+		transaction_controller.autofill_warehouse(frm.doc.items, "warehouse", frm.doc.set_warehouse);
+	},
+
 	get_items: function(frm) {
 		let fields = [
 			{
@@ -148,35 +167,25 @@ frappe.ui.form.on("Stock Reconciliation", {
 					batch_no: d.batch_no
 				},
 				callback: function(r) {
-					frappe.model.set_value(cdt, cdn, "qty", r.message.qty);
+					const row = frappe.model.get_doc(cdt, cdn);
+					if (!frm.doc.scan_mode) {
+						frappe.model.set_value(cdt, cdn, "qty", r.message.qty);
+					}
 					frappe.model.set_value(cdt, cdn, "valuation_rate", r.message.rate);
 					frappe.model.set_value(cdt, cdn, "current_qty", r.message.qty);
 					frappe.model.set_value(cdt, cdn, "current_valuation_rate", r.message.rate);
 					frappe.model.set_value(cdt, cdn, "current_amount", r.message.rate * r.message.qty);
-					frappe.model.set_value(cdt, cdn, "amount", r.message.rate * r.message.qty);
+					frappe.model.set_value(cdt, cdn, "amount", row.qty * row.valuation_rate);
 					frappe.model.set_value(cdt, cdn, "current_serial_no", r.message.serial_nos);
 
-					if (frm.doc.purpose == "Stock Reconciliation") {
+					if (frm.doc.purpose == "Stock Reconciliation" && !frm.doc.scan_mode) {
 						frappe.model.set_value(cdt, cdn, "serial_no", r.message.serial_nos);
 					}
 				}
 			});
 		}
 	},
-	set_item_code: function(doc, cdt, cdn) {
-		var d = frappe.model.get_doc(cdt, cdn);
-		if (d.barcode) {
-			frappe.call({
-				method: "erpnext.stock.get_item_details.get_item_code",
-				args: {"barcode": d.barcode },
-				callback: function(r) {
-					if (!r.exe){
-						frappe.model.set_value(cdt, cdn, "item_code", r.message);
-					}
-				}
-			});
-		}
-	},
+
 	set_amount_quantity: function(doc, cdt, cdn) {
 		var d = frappe.model.get_doc(cdt, cdn);
 		if (d.qty & d.valuation_rate) {
@@ -214,13 +223,10 @@ frappe.ui.form.on("Stock Reconciliation", {
 });
 
 frappe.ui.form.on("Stock Reconciliation Item", {
-	barcode: function(frm, cdt, cdn) {
-		frm.events.set_item_code(frm, cdt, cdn);
-	},
 
 	warehouse: function(frm, cdt, cdn) {
 		var child = locals[cdt][cdn];
-		if (child.batch_no) {
+		if (child.batch_no && !frm.doc.scan_mode) {
 			frappe.model.set_value(child.cdt, child.cdn, "batch_no", "");
 		}
 
@@ -229,7 +235,7 @@ frappe.ui.form.on("Stock Reconciliation Item", {
 
 	item_code: function(frm, cdt, cdn) {
 		var child = locals[cdt][cdn];
-		if (child.batch_no) {
+		if (child.batch_no && !frm.doc.scan_mode) {
 			frappe.model.set_value(cdt, cdn, "batch_no", "");
 		}
 
@@ -255,7 +261,14 @@ frappe.ui.form.on("Stock Reconciliation Item", {
 			const serial_nos = child.serial_no.trim().split('\n');
 			frappe.model.set_value(cdt, cdn, "qty", serial_nos.length);
 		}
-	}
+	},
+
+	items_add: function(frm, cdt, cdn) {
+		var item = frappe.get_doc(cdt, cdn);
+		if (!item.warehouse && frm.doc.set_warehouse) {
+			frappe.model.set_value(cdt, cdn, "warehouse", frm.doc.set_warehouse);
+		}
+	},
 
 });
 
diff --git a/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.json b/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.json
index a882a61e5a54..e545b8ea5c3c 100644
--- a/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.json
+++ b/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.json
@@ -14,6 +14,12 @@
   "posting_date",
   "posting_time",
   "set_posting_time",
+  "section_break_8",
+  "set_warehouse",
+  "section_break_22",
+  "scan_barcode",
+  "column_break_12",
+  "scan_mode",
   "sb9",
   "items",
   "section_break_9",
@@ -139,13 +145,44 @@
   {
    "fieldname": "dimension_col_break",
    "fieldtype": "Column Break"
+  },
+  {
+   "fieldname": "section_break_8",
+   "fieldtype": "Section Break"
+  },
+  {
+   "fieldname": "scan_barcode",
+   "fieldtype": "Data",
+   "label": "Scan Barcode",
+   "options": "Barcode"
+  },
+  {
+   "default": "0",
+   "description": "Disables auto-fetching of existing quantity",
+   "fieldname": "scan_mode",
+   "fieldtype": "Check",
+   "label": "Scan Mode"
+  },
+  {
+   "fieldname": "set_warehouse",
+   "fieldtype": "Link",
+   "label": "Default Warehouse",
+   "options": "Warehouse"
+  },
+  {
+   "fieldname": "section_break_22",
+   "fieldtype": "Section Break"
+  },
+  {
+   "fieldname": "column_break_12",
+   "fieldtype": "Column Break"
   }
  ],
  "icon": "fa fa-upload-alt",
  "idx": 1,
  "is_submittable": 1,
  "links": [],
- "modified": "2022-02-06 14:28:19.043905",
+ "modified": "2022-03-27 08:57:47.161959",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Stock Reconciliation",
diff --git a/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.py b/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.py
index 07a8566d4a4d..5d5a27f1eab2 100644
--- a/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.py
+++ b/erpnext/stock/doctype/stock_reconciliation/stock_reconciliation.py
@@ -1,6 +1,7 @@
 # Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
 # License: GNU General Public License v3. See license.txt
 
+from typing import Optional
 
 import frappe
 from frappe import _, msgprint
@@ -706,29 +707,43 @@ def get_itemwise_batch(warehouse, posting_date, company, item_code=None):
 
 @frappe.whitelist()
 def get_stock_balance_for(
-	item_code, warehouse, posting_date, posting_time, batch_no=None, with_valuation_rate=True
+	item_code: str,
+	warehouse: str,
+	posting_date: str,
+	posting_time: str,
+	batch_no: Optional[str] = None,
+	with_valuation_rate: bool = True,
 ):
 	frappe.has_permission("Stock Reconciliation", "write", throw=True)
 
-	item_dict = frappe.db.get_value("Item", item_code, ["has_serial_no", "has_batch_no"], as_dict=1)
+	item_dict = frappe.get_cached_value(
+		"Item", item_code, ["has_serial_no", "has_batch_no"], as_dict=1
+	)
 
 	if not item_dict:
 		# In cases of data upload to Items table
 		msg = _("Item {} does not exist.").format(item_code)
 		frappe.throw(msg, title=_("Missing"))
 
-	serial_nos = ""
-	with_serial_no = True if item_dict.get("has_serial_no") else False
+	serial_nos = None
+	has_serial_no = bool(item_dict.get("has_serial_no"))
+	has_batch_no = bool(item_dict.get("has_batch_no"))
+
+	if not batch_no and has_batch_no:
+		# Not enough information to fetch data
+		return {"qty": 0, "rate": 0, "serial_nos": None}
+
+	# TODO: fetch only selected batch's values
 	data = get_stock_balance(
 		item_code,
 		warehouse,
 		posting_date,
 		posting_time,
 		with_valuation_rate=with_valuation_rate,
-		with_serial_no=with_serial_no,
+		with_serial_no=has_serial_no,
 	)
 
-	if with_serial_no:
+	if has_serial_no:
 		qty, rate, serial_nos = data
 	else:
 		qty, rate = data
diff --git a/erpnext/stock/doctype/stock_reconciliation_item/stock_reconciliation_item.json b/erpnext/stock/doctype/stock_reconciliation_item/stock_reconciliation_item.json
index 6bbba051f985..79c2fcc252c0 100644
--- a/erpnext/stock/doctype/stock_reconciliation_item/stock_reconciliation_item.json
+++ b/erpnext/stock/doctype/stock_reconciliation_item/stock_reconciliation_item.json
@@ -16,15 +16,15 @@
   "amount",
   "allow_zero_valuation_rate",
   "serial_no_and_batch_section",
-  "serial_no",
-  "column_break_11",
   "batch_no",
+  "column_break_11",
+  "serial_no",
   "section_break_3",
   "current_qty",
-  "current_serial_no",
+  "current_amount",
   "column_break_9",
   "current_valuation_rate",
-  "current_amount",
+  "current_serial_no",
   "section_break_14",
   "quantity_difference",
   "column_break_16",
@@ -181,7 +181,7 @@
  ],
  "istable": 1,
  "links": [],
- "modified": "2021-05-21 12:13:33.041266",
+ "modified": "2022-04-02 04:19:40.380587",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Stock Reconciliation Item",
@@ -190,5 +190,6 @@
  "quick_entry": 1,
  "sort_field": "modified",
  "sort_order": "DESC",
+ "states": [],
  "track_changes": 1
 }
\ No newline at end of file
diff --git a/erpnext/stock/get_item_details.py b/erpnext/stock/get_item_details.py
index b75bc7241d44..d3a230e3d894 100644
--- a/erpnext/stock/get_item_details.py
+++ b/erpnext/stock/get_item_details.py
@@ -167,6 +167,9 @@ def update_stock(args, out):
 			reserved_so = get_so_reservation_for_item(args)
 			out.serial_no = get_serial_no(out, args.serial_no, sales_order=reserved_so)
 
+	if not out.serial_no:
+		out.pop("serial_no", None)
+
 
 def set_valuation_rate(out, args):
 	if frappe.db.exists("Product Bundle", args.item_code, cache=True):
diff --git a/erpnext/stock/tests/test_utils.py b/erpnext/stock/tests/test_utils.py
new file mode 100644
index 000000000000..9ee0c9f3b5ab
--- /dev/null
+++ b/erpnext/stock/tests/test_utils.py
@@ -0,0 +1,31 @@
+import frappe
+from frappe.tests.utils import FrappeTestCase
+
+from erpnext.stock.doctype.item.test_item import make_item
+from erpnext.stock.utils import scan_barcode
+
+
+class TestStockUtilities(FrappeTestCase):
+	def test_barcode_scanning(self):
+		simple_item = make_item(properties={"barcodes": [{"barcode": "12399"}]})
+		self.assertEqual(scan_barcode("12399")["item_code"], simple_item.name)
+
+		batch_item = make_item(properties={"has_batch_no": 1, "create_new_batch": 1})
+		batch = frappe.get_doc(doctype="Batch", item=batch_item.name).insert()
+
+		batch_scan = scan_barcode(batch.name)
+		self.assertEqual(batch_scan["item_code"], batch_item.name)
+		self.assertEqual(batch_scan["batch_no"], batch.name)
+		self.assertEqual(batch_scan["has_batch_no"], 1)
+		self.assertEqual(batch_scan["has_serial_no"], 0)
+
+		serial_item = make_item(properties={"has_serial_no": 1})
+		serial = frappe.get_doc(
+			doctype="Serial No", item_code=serial_item.name, serial_no=frappe.generate_hash()
+		).insert()
+
+		serial_scan = scan_barcode(serial.name)
+		self.assertEqual(serial_scan["item_code"], serial_item.name)
+		self.assertEqual(serial_scan["serial_no"], serial.name)
+		self.assertEqual(serial_scan["has_batch_no"], 0)
+		self.assertEqual(serial_scan["has_serial_no"], 1)
diff --git a/erpnext/stock/utils.py b/erpnext/stock/utils.py
index 4f1891fd750e..d40218e14398 100644
--- a/erpnext/stock/utils.py
+++ b/erpnext/stock/utils.py
@@ -3,6 +3,7 @@
 
 
 import json
+from typing import Dict, Optional
 
 import frappe
 from frappe import _
@@ -548,3 +549,51 @@ def check_pending_reposting(posting_date: str, throw_error: bool = True) -> bool
 		)
 
 	return bool(reposting_pending)
+
+
+@frappe.whitelist()
+def scan_barcode(search_value: str) -> Dict[str, Optional[str]]:
+
+	# search barcode no
+	barcode_data = frappe.db.get_value(
+		"Item Barcode",
+		{"barcode": search_value},
+		["barcode", "parent as item_code"],
+		as_dict=True,
+	)
+	if barcode_data:
+		return _update_item_info(barcode_data)
+
+	# search serial no
+	serial_no_data = frappe.db.get_value(
+		"Serial No",
+		search_value,
+		["name as serial_no", "item_code", "batch_no"],
+		as_dict=True,
+	)
+	if serial_no_data:
+		return _update_item_info(serial_no_data)
+
+	# search batch no
+	batch_no_data = frappe.db.get_value(
+		"Batch",
+		search_value,
+		["name as batch_no", "item as item_code"],
+		as_dict=True,
+	)
+	if batch_no_data:
+		return _update_item_info(batch_no_data)
+
+	return {}
+
+
+def _update_item_info(scan_result: Dict[str, Optional[str]]) -> Dict[str, Optional[str]]:
+	if item_code := scan_result.get("item_code"):
+		if item_info := frappe.get_cached_value(
+			"Item",
+			item_code,
+			["has_batch_no", "has_serial_no"],
+			as_dict=True,
+		):
+			scan_result.update(item_info)
+	return scan_result
diff --git a/erpnext/templates/pages/home.py b/erpnext/templates/pages/home.py
index bca3e5605362..47fb89dea317 100644
--- a/erpnext/templates/pages/home.py
+++ b/erpnext/templates/pages/home.py
@@ -8,7 +8,7 @@
 
 
 def get_context(context):
-	homepage = frappe.get_doc("Homepage")
+	homepage = frappe.get_cached_doc("Homepage")
 
 	for item in homepage.products:
 		route = frappe.db.get_value("Website Item", {"item_code": item.item_code}, "route")
@@ -20,10 +20,10 @@ def get_context(context):
 	context.homepage = homepage
 
 	if homepage.hero_section_based_on == "Homepage Section" and homepage.hero_section:
-		homepage.hero_section_doc = frappe.get_doc("Homepage Section", homepage.hero_section)
+		homepage.hero_section_doc = frappe.get_cached_doc("Homepage Section", homepage.hero_section)
 
 	if homepage.slideshow:
-		doc = frappe.get_doc("Website Slideshow", homepage.slideshow)
+		doc = frappe.get_cached_doc("Website Slideshow", homepage.slideshow)
 		context.slideshow = homepage.slideshow
 		context.slideshow_header = doc.header
 		context.slides = doc.slideshow_items
@@ -46,7 +46,7 @@ def get_context(context):
 		order_by="section_order asc",
 	)
 	context.homepage_sections = [
-		frappe.get_doc("Homepage Section", name) for name in homepage_sections
+		frappe.get_cached_doc("Homepage Section", name) for name in homepage_sections
 	]
 
 	context.metatags = context.metatags or frappe._dict({})