# End of Compatibility for Old POS UI Extensions Versions — Shopify developer changelog --- ## End of Compatibility for Old POS UI Extensions Versions [Shopify's API version policy](https://shopify.dev/docs/api/usage/versioning) supports stable versions for 12 months. With the release of Shopify API 2025.04, we will discontinue support for the following POS UI Extension versions: - 1.0.0 - 1.0.1 - 1.1.2 - 1.2.0 - 1.3.0 - 1.4.0 - 1.5.1 - 1.6.0 - 1.7.0 - 2024-04 Starting with POS version 9.31, POS UI extensions built on these unsupported versions will no longer function. If your application uses any of these versions, please update to the latest POS UI Extension version to ensure continued functionality and support. *Published: March 07, 2025* Tags: API, Deprecation Announcement Link: https://shopify.dev/changelog/end-of-compatibility-for-old-pos-ui-extensions-versions ---