---
title: POS UI Extensions 2025-04 Update - Shopify developer changelog
description: Shopify’s developer changelog documents all changes to Shopify’s platform. Find the latest news and learn about new platform opportunities.
source_url:
  html: https://shopify.dev/changelog/pos-ui-extensions-2025-04-update
  md: https://shopify.dev/changelog/pos-ui-extensions-2025-04-update.md
---

[Back to Developer changelog](https://shopify.dev/changelog)

March 28, 2025

Tags:

* POS Extensions
* 2025-04

# POS UI Extensions 2025-04 Update

As of April 1, 2025, we made the following updates to POS UI Extensions:

### Features

**Developer Preview**

* Added support for the [`pos.transaction-complete.event.observe`](https://shopify.dev/docs/api/pos-ui-extensions/targets/post-purchase/pos-transaction-complete-event-observe) target.
* Added support for the [`pos.cart-update.event.observe`](https://shopify.dev/docs/api/pos-ui-extensions/unstable/targets/cart-details/pos-cart-update-event-observe) target.
* Added support for [`pos.cash-tracking-session-start.event.observe`](https://shopify.dev/docs/api/pos-ui-extensions/targets/cash-tracking/pos-cash-tracking-session-start-event-observe) and [`pos.cash-tracking-session-complete.event.observe`](https://shopify.dev/docs/api/pos-ui-extensions/targets/cash-tracking/pos-cash-tracking-session-complete-event-observe) targets.
* Added support for the [`pos.receipt-footer.block.render`](https://shopify.dev/docs/api/pos-ui-extensions/targets/receipts/pos-receipt-footer-block-render) target.
* Introduced a [`POSReceiptBlock`](https://shopify.dev/docs/api/pos-ui-extensions/components/posreceiptblock) component, which is the required parent component for [pos.receipt-footer.block.render](https://shopify.dev/docs/api/pos-ui-extensions/targets/receipts/pos-receipt-footer-block-render) targets.
* Introduced a [`QRCode`](https://shopify.dev/docs/api/pos-ui-extensions/unstable/components/qrcode) component.

All of the changes are available for POS UI extensions version 2025-04 and POS app version 9.31.0. For all version details, refer to the [version log](https://shopify.dev/docs/api/pos-ui-extensions/unstable/versions).