diff --git a/erpnext/public/js/controllers/transaction.js b/erpnext/public/js/controllers/transaction.js
index 0187b9b21e6..d56670035df 100644
--- a/erpnext/public/js/controllers/transaction.js
+++ b/erpnext/public/js/controllers/transaction.js
@@ -497,25 +497,36 @@ erpnext.TransactionController = class TransactionController extends erpnext.taxe
 	}
 
 	item_code(doc, cdt, cdn) {
-		var item = frappe.get_doc(cdt, cdn);
-		frappe.call({
-			doc: doc,
-			method: "process_item_selection",
-			args: {
-				item: item.name
-			},
-			callback: function(r) {
-				if(!r.exc) {
-					cur_frm.refresh_fields();
-					refresh_field("items");
-				}
-			}
-		});
-
-		return;
-
 		var me = this;
+		// Experimental: This will be removed once stability is achieved.
+		frappe.db.get_single_value('Selling Settings', 'use_server_side_reactivity')
+			.then((value) => {
+				if (value) {
+					var item = frappe.get_doc(cdt, cdn);
+					frappe.call({
+						doc: doc,
+						method: "process_item_selection",
+						args: {
+							item: item.name
+						},
+						callback: function(r) {
+							if(!r.exc) {
+								cur_frm.refresh_fields();
+								refresh_field("items");
+							}
+						}
+					});
+				} else {
+					me.process_item_selection(doc, cdt, cdn);
+				}
 
+			});
+
+	}
+
+	process_item_selection(doc, cdt, cdn) {
+		var item = frappe.get_doc(cdt, cdn);
+		var me = this;
 		var update_stock = 0, show_batch_dialog = 0;
 
 		item.weight_per_unit = 0;
@@ -527,7 +538,7 @@ erpnext.TransactionController = class TransactionController extends erpnext.taxe
 			show_batch_dialog = update_stock;
 
 		} else if((this.frm.doc.doctype === 'Purchase Receipt') ||
-			this.frm.doc.doctype === 'Delivery Note') {
+			  this.frm.doc.doctype === 'Delivery Note') {
 			show_batch_dialog = 1;
 		}
 
@@ -600,10 +611,10 @@ erpnext.TransactionController = class TransactionController extends erpnext.taxe
 							frappe.run_serially([
 								() => {
 									if (item.docstatus === 0
-										&& frappe.meta.has_field(item.doctype, "use_serial_batch_fields")
-										&& !item.use_serial_batch_fields
-										&& cint(frappe.user_defaults?.use_serial_batch_fields) === 1
-									) {
+									    && frappe.meta.has_field(item.doctype, "use_serial_batch_fields")
+									    && !item.use_serial_batch_fields
+									    && cint(frappe.user_defaults?.use_serial_batch_fields) === 1
+									   ) {
 										item["use_serial_batch_fields"] = 1;
 									}
 								},
@@ -618,7 +629,7 @@ erpnext.TransactionController = class TransactionController extends erpnext.taxe
 									// for internal customer instead of pricing rule directly apply valuation rate on item
 									if ((me.frm.doc.is_internal_customer || me.frm.doc.is_internal_supplier) && me.frm.doc.represents_company === me.frm.doc.company) {
 										me.get_incoming_rate(item, me.frm.posting_date, me.frm.posting_time,
-											me.frm.doc.doctype, me.frm.doc.company);
+												     me.frm.doc.doctype, me.frm.doc.company);
 									} else {
 										me.frm.script_manager.trigger("price_list_rate", cdt, cdn);
 									}
@@ -632,24 +643,24 @@ erpnext.TransactionController = class TransactionController extends erpnext.taxe
 								() => {
 									if (show_batch_dialog && !frappe.flags.trigger_from_barcode_scanner)
 										return frappe.db.get_value("Item", item.item_code, ["has_batch_no", "has_serial_no"])
-											.then((r) => {
-												if (r.message &&
-												(r.message.has_batch_no || r.message.has_serial_no)) {
-													frappe.flags.hide_serial_batch_dialog = false;
-												} else {
-													show_batch_dialog = false;
-												}
-											});
+										.then((r) => {
+											if (r.message &&
+											    (r.message.has_batch_no || r.message.has_serial_no)) {
+												frappe.flags.hide_serial_batch_dialog = false;
+											} else {
+												show_batch_dialog = false;
+											}
+										});
 								},
 								() => {
 									// check if batch serial selector is disabled or not
 									if (show_batch_dialog && !frappe.flags.hide_serial_batch_dialog)
 										return frappe.db.get_single_value('Stock Settings', 'disable_serial_no_and_batch_selector')
-											.then((value) => {
-												if (value) {
-													frappe.flags.hide_serial_batch_dialog = true;
-												}
-											});
+										.then((value) => {
+											if (value) {
+												frappe.flags.hide_serial_batch_dialog = true;
+											}
+										});
 								},
 								() => {
 									if(show_batch_dialog && !frappe.flags.hide_serial_batch_dialog && !frappe.flags.dialog_set) {
@@ -693,6 +704,7 @@ erpnext.TransactionController = class TransactionController extends erpnext.taxe
 		}
 	}
 
+
 	price_list_rate(doc, cdt, cdn) {
 		var item = frappe.get_doc(cdt, cdn);
 		frappe.model.round_floats_in(item, ["price_list_rate", "discount_percentage"]);