Sourced from vitest's releases.

v4.0.17

   🚀 Experimental Features

• Support openTelemetry for browser mode  -  by @​hi-ogawa in vitest-dev/vitest#9180 (1ec3a)
• Support TRACEPARENT and TRACESTATE environment variables for OpenTelemetry context propagation  -  by @​Copilot, hi-ogawa and @​hi-ogawa in vitest-dev/vitest#9295 (876cb)

   🐞 Bug Fixes

• Improve asymmetric matcher diff readability by unwrapping container matchers  -  by @​Copilot, sheremet-va, hi-ogawa and @​hi-ogawa in vitest-dev/vitest#9330 (b2ec7)
• Improve runner error when importing outside of test context  -  by @​sheremet-va in vitest-dev/vitest#9335 (2dd3d)
• Replace crypto.randomUUID to allow insecure environments (fix #9…  -  by @​plusgut in vitest-dev/vitest#9339 and vitest-dev/vitest#9 (e6a3f)
• Handle null options in addEventHandler #9371  -  by @​ThibautMarechal in vitest-dev/vitest#9372 and vitest-dev/vitest#9371 (40841)
• Typo in browser.provider error  -  by @​deammer in vitest-dev/vitest#9394 (4b67f)
• browser:
  • Fix process.env and import.meta.env defines in inline project  -  by @​hi-ogawa in vitest-dev/vitest#9239 (b70c9)
  • Fix upload File instance  -  by @​hi-ogawa in vitest-dev/vitest#9294 (b6778)
  • Fix invalid project token for artifacts assets  -  by @​hi-ogawa in vitest-dev/vitest#9321 (caa7d)
  • Log ErrorEvent.message when unhandled ErrorEvent.error is null  -  by @​hi-ogawa in vitest-dev/vitest#9322 (5d84e)
  • Support fileParallelism on an instance  -  by @​sheremet-va in vitest-dev/vitest#9328 (15006)
• coverage:
  • Remove unnecessary istanbul-lib-source-maps usage  -  by @​AriPerkkio in vitest-dev/vitest#9344 (b0940)
  • Apply patch from istanbuljs/istanbuljs#837  -  by @​AriPerkkio and sapphi-red in vitest-dev/vitest#9413 and vitest-dev/vitest#837 (e05ce)
• fsModuleCache:
  • Don't store importers in cache  -  by @​sheremet-va in vitest-dev/vitest#9422 (75136)
  • Add importers alongside importedModules  -  by @​sheremet-va in vitest-dev/vitest#9423 (59f92)
• mocker:
  • Fix mock transform with class  -  by @​hi-ogawa in vitest-dev/vitest#9421 (d390e)
• pool:
  • Validate environment options when reusing the worker  -  by @​sheremet-va in vitest-dev/vitest#9349 (a8a88)
  • Handle worker start failures gracefully  -  by @​AriPerkkio in vitest-dev/vitest#9337 (200da)
• reporter:
  • Report test module if it failed to run  -  by @​sheremet-va in vitest-dev/vitest#9272 (c7888)
• runner:
  • Respect nested test.only within describe.only  -  by @​Ujjwaljain16 in vitest-dev/vitest#9021 and vitest-dev/vitest#9213 (55d5d)
• typecheck:
  • Improve error message when tsc outputs help text  -  by @​Ujjwaljain16 in vitest-dev/vitest#9214 (7b10a)
• ui:
  • Detect gzip by magic numbers instead of Content-Type header in html reporter  -  by @​Copilot, hi-ogawa and @​hi-ogawa in vitest-dev/vitest#9278 (dd033)
• webdriverio:
  • Fall back to WebDriver Classic #9244  -  by @​JustasMonkev in vitest-dev/vitest#9373 and vitest-dev/vitest#9244 (c23dd)

    View changes on GitHub

v4.0.16

   🐞 Bug Fixes

• Fix browser mode default testTimeout back to 15 seconds  -  by @​hi-ogawa in vitest-dev/vitest#9167 (da0ad)
• Avoid crashing on process.versions stub  -  by @​AriPerkkio in vitest-dev/vitest#9174 (78cfb)
• Reject calling suite function inside test  -  by @​hi-ogawa in vitest-dev/vitest#9198 (1a259)
• Allow inlining fully dynamic import  -  by @​hi-ogawa in vitest-dev/vitest#9137 (56851)

... (truncated)

• dd54e94 chore: release v4.0.17
• 59f92d4 fix(fsModuleCache): add importers alongside importedModules (#9423)
• 751364e fix(fsModuleCache): don't store importers in cache (#9422)
• 4b67fc2 fix: typo in browser.provider error (#9394)
• 40841ff fix: handle null options in addEventHandler #9371 (#9372)
• 200dadb fix(pool): handle worker start failures gracefully (#9337)
• 1500654 fix(browser): support fileParallelism on an instance (#9328)
• a8a8836 fix(pool): validate environment options when reusing the worker (#9349)
• 7b10ab4 fix(typecheck): improve error message when tsc outputs help text (#9214)
• 876cb84 feat: support TRACEPARENT and TRACESTATE environment variables for OpenTeleme...
• Additional commits viewable in compare view

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