Update release notes for 23.3.

Author: jaclync

CHANGELOG.md

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 <!--
 Contains editorialized release notes. Raw release notes should go into `RELEASE-NOTES.txt`.
 -->
+## 23.3
+Enjoy a smoother store management experience with clearer shipping labels for physical items, friendlier product code error messages, more reliable custom fields, and noticeably faster logins for WordPress.com users—all designed to streamline your daily workflow.
+
 ## 23.2
 This update smooths your WooCommerce experience with improved cash payments, easier access to POS settings, and accurate HAZMAT details on shipping labels. Plus, we fixed a Blaze flow issue so campaigns behave as expected. Faster, clearer, and more reliable — just how you need it!
 

WooCommerce/Resources/release_notes.txt

@@ -1,8 +1 @@
-- [*] Order details: Display only physical items in the Shipping Labels section. [https://github.com/woocommerce/woocommerce-ios/pull/16127]
-- [*] Product form: Display user-friendly error message when saving duplicated GTIN/UPC/EAN/ISBN. [https://github.com/woocommerce/woocommerce-ios/pull/16146]
-- [internal] Address deprecated view modifiers usage following iOS17 API updates [https://github.com/woocommerce/woocommerce-ios/pull/16080]
-- [***] Performance improvements for users logging in with WordPress.com accounts [https://github.com/woocommerce/woocommerce-ios/pull/16126]
-- [internal] Fix back swipe gesture detection compatibility for iOS26 [https://github.com/woocommerce/woocommerce-ios/pull/16133]
-- [internal] POS Modularization: Removed direct ServiceLocator usage within POS by requiring complex Woo app target dependencies to be injected via POS dependency protocols, and moved reusable dependencies to WooFoundation and Yosemite [https://github.com/woocommerce/woocommerce-ios/pull/16132]
-- [internal] Replace deprecated code on performance chart [https://github.com/woocommerce/woocommerce-ios/pull/16145]
-- [*] Workaround to make custom field decoding more reliable with sites which return incorrectly formatted meta_data for products, variations, and orders. [https://github.com/woocommerce/woocommerce-ios/pull/16141]
+Enjoy a smoother store management experience with clearer shipping labels for physical items, friendlier product code error messages, more reliable custom fields, and noticeably faster logins for WordPress.com users—all designed to streamline your daily workflow.