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Shopify changed its API changelog

API changeloghttps://shopify.dev/changelog

ChangeAPI changelog

Shopify added AGENTS and UCP to navigation menu; added multiple new changelog entries for September 2026 including UCP support deprecation date (2026-08-25) and Polaris CDN updates; removed older June changelog entries.

Storefront API Themes DEV PLATFORM
Storefront API Themes AGENTS UCP DEV PLATFORM
Confidence85%
Full diff
===================================================================
--- before
+++ after
@@ -32,8 +32,10 @@
 Shopify Theme Store
 ShopifyQL
 Storefront API
 Themes
+AGENTS
+UCP
 DEV PLATFORM
 AI Toolkit
 Dev Dashboard
 Platform
@@ -88,8 +90,10 @@
 Shopify Theme Store
 ShopifyQL
 Storefront API
 Themes
+AGENTS
+UCP
 DEV PLATFORM
 AI Toolkit
 Dev Dashboard
 Platform
@@ -106,57 +110,69 @@
 2025-04
 2025-01
 2024-10
 2024-07
- 1. 1.  08.28
+ 1. 1. 09.04
+       Shopify storefronts now support UCP 2026-08-25
+       UCP
+    2. 09.03
+       Hydrogen developer preview update: September 2, 2026
+       Hydrogen
+ 2. 1.  08.31
+        Polaris CDN 1.1 release candidate
+        Polaris
+    2.  08.31
+        The Polaris CDN is adopting semantic versioning
+        Polaris
+    3.  08.28
         More resilient refreshes for expiring offline access tokens
         Admin GraphQL API
-    2.  08.27
+    4.  08.27
         Password Protected Shop Dev flows on Shopify Theme CLI v3.83.x and older to be deprecated
         Action requiredThemes
-    3.  08.26
+    5.  08.26
         Four additional topics are now available for Events
         Events & webhooks
-    4.  08.26
+    6.  08.26
         Build Shopify apps in PHP and Python with new official packages
         Tools
-    5.  08.26
+    7.  08.26
         GitHub commits now name the last theme editor
         Themes
-    6.  08.25
+    8.  08.25
         Oxygen is now available on trial plan stores
         Hydrogen
-    7.  08.24
+    9.  08.24
         Script tags are deprecated and will stop running on March 1, 2027
         Action requiredAdmin GraphQL API
-    8.  08.19
+    10. 08.19
         App intents on admin.app.intent.link now open as a full-page navigation
         Platform
-    9.  08.18
+    11. 08.18
         Hydrogen developer preview update: August 18, 2026
         Hydrogen
-    10. 08.10
+    12. 08.10
         Shop Campaigns performance data now available via ShopifyQL
         Admin GraphQL API
-    11. 08.06
+    13. 08.06
         Standard storefront events and actions now support cart attributes
         Platform
-    12. 08.05
+    14. 08.05
         Draft order and transfer/shipment inventory is moving from reserved to committed
         Admin GraphQL API
-    13. 08.05
+    15. 08.05
         WebMCP support for Liquid and Hydrogen storefronts
         Platform
-    14. 08.03
+    16. 08.03
         Oxygen is now available on development stores
         Hydrogen
-    15. 08.03
+    17. 08.03
         The orderCreate mutation now supports multiple tracking numbers for each fulfillment
         Admin GraphQL API
-    16. 08.01
+    18. 08.01
         Updated Built for Shopify requirements for Fulfillment services apps
         Built for Shopify
- 2. 1.  07.31
+ 3. 1.  07.31
         Hydrogen developer preview update: July 30, 2026
         Hydrogen
     2.  07.31
         New fields for cash management activities and drawers in POS
@@ -283,9 +299,9 @@
         Action requiredAdmin GraphQL API
     41. 07.01
         Market-driven shipping Admin API
         Admin GraphQL API
- 3. 1.  06.30
+ 4. 1.  06.30
         Hydrogen now deploys to Vercel
         Hydrogen
     2.  06.30
         Configure order attribution for sales channel apps
@@ -395,24 +411,6 @@
         App store
     38. 06.02
         Identify cart lines by view_key in cartLinesUpdate and cartLinesRemove
         Storefront API
-    39. 06.01
-        BUILD APP HOME AS A UI EXTENSION
-        
-        App Home UI extensions let custom-distribution apps build a Shopify-hosted App Home page with Preact, Polaris web components, and the admin.app.home.render target.
-        
-        [https://shopify.dev/assets/assets/images/changelog/app-home-ui-extensions-Cc8KyJ5i.png][https://shopify.dev/assets/assets/images/changelog/app-home-ui-extensions-Cc8KyJ5i.png]
- 4. 1. 05.28
-       Customize /llms.txt, /llms-full.txt and /agents.md
-       Themes
-    2. 05.27
-       NEXT GENERATION EVENTS NOW AVAILABLE IN DEVELOPER PREVIEW
-       
-       Next Generation Events are now in developer preview, adding field-level trigger control, custom GraphQL payloads, and query-based delivery filters to webhooks.
-       
-       [https://shopify.dev/assets/assets/images/changelog/nge-hero-DZtw7H_Z.png][https://shopify.dev/assets/assets/images/changelog/nge-hero-DZtw7H_Z.png]
-    3. 05.21
-       Shopify CLI 4.0: SemVer, auto-updates, removing deprecated flags and commands
-       Tools
 
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