Checkout UI extensions now default to non-blocking behavior
UpdateUnverifiedAdded Sep 24, 2026
As of January 26, 2026, Checkout UI extensions that support blocking now default to non-blocking behavior. To enable blocking, merchants must explicitly activate the Allow app to block checkout setting in the checkout and accounts editor.
More Shopify developer platform releases
Every Shopify developer platform release| Date | Release | Type |
|---|---|---|
| Jan 26 | Let buyers update subscription payment methods without leaving your extensionunverified Update | Update |
| Jan 26 | New `article_list` input setting for themesunverified Update | Update |
| Jan 27 | Ensuring POS UI extension stability by hardening callback handlingunverified Update | Update |
| Jan 27 | Events data now limited to one year retentionunverified Update | Update |
| Jan 28 | Enhanced Discount Function configuration with Admin UI extensionsunverified Pricing | Pricing |
| Jan 29 | Discouraging use of `receiptJson` on `OrderTransaction` in the GraphQL Admin APIunverified Update | Update |
| Jan 23 | Localization support for POS UI extensionsunverified Update | Update |
| Jan 23 | shopify.app.extensions() in App Bridge now supports Admin and Theme app extensionsunverified Update | Update |
Also shipped on Jan 26, 2026
Shopify in January 2026| Date | Company | Release | Product | Type |
|---|---|---|---|---|
| Jan 26 |  Netlify | Security Update: DoS vulnerability in Next.js and React Server Componentsunverified | Netlify | Preview |
| Jan 26 |  DuckDB | DuckDB 1.4.4 Bugfix Releaseunverified | DuckDB | Update |
| Jan 26 |  Cloudflare | WAF - WAF Release - 2026-01-26unverified | Cloudflare developer platform | Update |
| Jan 26 |  Tailscale | Tailscale v1.94.1unverified | Tailscale | Update |
| Jan 26 |  Figma | FigJam diagramming in Claudeunverified | Figma | Update |
| Jan 26 |  Expo | Compiler cache for builds and Workflowsunverified | Expo | Update |
Sources: each vendor's own release notes, changelogs and GitHub releases, read daily to monthly by how often it posts. Logos via logo.dev; trademarks belong to their owners.