v5.1.0-beta.1

   🚀 Features

• Add --last-failed to run only failed tests  -  by @sheremet-va in #11558 (82f63)
• Support Temporal.Instant and Temporal.ZonedDateTime in vi.setSystemTime()  -  by @Prajwal2246, Prajwal2246, Claude Opus 5.5, Hiroshi Ogawa and Codex (GPT-6) in #11321 (f150f)
• Introduce --since-last-run flag  -  by @sheremet-va in #11516 (08bd9)
• Expose per-retry/repeat attempt result  -  by @hi-ogawa, Hiroshi Ogawa, Codex (GPT-6) and Claude Opus 5.5 in #11232 (21be4)
• Support fake timers for node:timers and node:timers/promise  -  by @hi-ogawa, Hiroshi Ogawa, OpenCode and Codex (GPT-6) in #10899 (fbe97)
• browser:
  • Mock modules through an import map  -  by @sheremet-va in #11534 (707f8)
  • Drop experimental label from trace view  -  by @hi-ogawa, Hiroshi Ogawa and Claude Opus 5.5 in #11518 (44c3c)
  • Introduce experimental pointer API  -  by @macarie in #10780 (5dc09)
  • Capture aria snapshot in trace view  -  by @hi-ogawa, Hiroshi Ogawa and Claude Opus 5.5 in #11492 (0cc39)

   🐞 Bug Fixes

• Rerun setup files after --changed filtering  -  by @sheremet-va in #11621 (3a39c)
• Return the mock to concurrent imports  -  by @sheremet-va in #11623 (1453b)
• Don't fail on console log pending at teardown  -  by @sheremet-va in #11619 (a60b8)
• Reference chai types in every d.ts chunk  -  by @sheremet-va in #11618 (fb150)
• browser:
  • Change default port to 23315  -  by @hi-ogawa, Hiroshi Ogawa and Claude Opus 5.5 in #11640 (a2ec4)
  • Advance fake timers in actions and expect.element  -  by @julienw, Hiroshi Ogawa and Claude Opus 5.5 in #11242 (68190)
• coverage:
  • V8 autoAttachSubprocess to use .tmp directory  -  by @AriPerkkio in #11632 (de5af)
• deps:
  • Update all non-major dependencies  -  by @sheremet-va in #11637 (2b18e)

   🏎 Performance

• Reuse fsModuleCache in static collection  -  by @sheremet-va in #11622 (1766c)
• browser: Map only first frame for trace locations  -  by @hi-ogawa, Hiroshi Ogawa and Claude Opus 5.5 in #11613 (a967d)

    View changes on GitHub