- Added screenshotOnRunFailure config, pluginsFile version property, and a spec‑filter UI for cypress open.
- Fixed multiple bugs: visibility of fixed elements, infinite XHR loops with custom elements, fixture lookup errors, exponential env values, AST rewriting race conditions, and iframe typing issues.
- Misc updates: dependencies no longer pinned for security fixes, AWS CodeBuild env var collection, expanded type definitions, cookie expiry now a Number, and minor UI improvements.
4.12.0
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