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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