vitest

Next generation testing framework powered by Vite

Latest 5.0.3486 published versionsvitest-dev/vitest

Last checked 4 Oct 2026, 14:53 UTC

5.0.1

Changes to review15 Sept 2026GitHub Release

Additional changes to review1Matched wording:deprecatedThese matches may be harmless in context. Expand to see the excerpts.

The changelog mentions deprecation; it may still be compatible.
Warn when deprecated deps.optimizer.web is used - by @im10furry in #11214 (2ce29)

🚀 Features

ui:
- Move trace attempts selector to viewer header - by @hi-ogawa, Hiroshi Ogawa and Codex in #11189 (5dc4b)
- Add focused trace view layout mode - by @hi-ogawa, Hiroshi Ogawa, OpenCode (gpt-5.6-sol) and Codex in #11190 (376dc)

🐞 Bug Fixes

Exit 1 when vitest list fails collection - by @hamed-bavar in #11145 and #11146 (6108b)
Keep parse error details in static collection - by @hamed-bavar in #11150 and #11151

All versions Compare with 5.0.0

Last checked 4 Oct 2026, 14:53 UTC

5.0.1

Changes to review15 Sept 2026GitHub Release

Additional changes to review1Matched wording:deprecatedThese matches may be harmless in context. Expand to see the excerpts.

The changelog mentions deprecation; it may still be compatible.
Warn when deprecated deps.optimizer.web is used - by @im10furry in #11214 (2ce29)

🚀 Features

ui:
- Move trace attempts selector to viewer header - by @hi-ogawa, Hiroshi Ogawa and Codex in #11189 (5dc4b)
- Add focused trace view layout mode - by @hi-ogawa, Hiroshi Ogawa, OpenCode (gpt-5.6-sol) and Codex in #11190 (376dc)

🐞 Bug Fixes

Exit 1 when vitest list fails collection - by @hamed-bavar in #11145 and #11146 (6108b)
Keep parse error details in static collection - by @hamed-bavar in #11150 and #11151

(7c818)

Avoid recursive prototype in automocking - by @sheremet-va in #11195 (99fc5)

Prevent false Vitest import resolution - by @sheremet-va in #11196 (b426c)

Keep metadata file when clearing the cache - by @sheremet-va in #11199 (73614)

Correct typos in error message and comments - by @shinji00222 and Shinji in #11187 (115c3)

Resolve ResolvedConfig exactOptionalPropertyTypes errors - by @LukeAbby in #11175 (498fb)

Share the server on self-referencing extends - by @sheremet-va in #11034 (23dda)

Warn when deprecated deps.optimizer.web is used - by @im10furry in #11214 (2ce29)

browser:

Avoid double quotes in config.define - by @sheremet-va in #11198 (972e2)

doctor:

Measure vm pools for custom environments - by @sheremet-va in #11212 (91ab1)

expect:

Correct return value in toMatchAriaSnapshot - by @sheremet-va in #11208 (c119b)

fakeTimers:

Force queueMicrotask and nextTick in toNotFake - by @kingmakeruix, kingmakeruix, Hiroshi Ogawa, Codex and @hi-ogawa in #11261 (a47d7)

snapshot:

Report obsolete keys next to skipped tests - by @hamed-bavar, Hiroshi Ogawa and OpenCode (gpt-5.6-sol) in #11157 and #11158 (17e2b)

types:

Make public declarations self-contained - by @ZoeySigel in #11141 (45546)

ui:

Fix collapse/expand suite with file name search - by @hi-ogawa, Hiroshi Ogawa and Codex in #11260 (0a712)
Fix explorer file summary count - by @hi-ogawa, Hiroshi Ogawa, OpenCode (gpt-5.6-sol) and Codex in #11125 (05982)

utils:

Fix deepMerge to handle prototype - by @hi-ogawa, Hiroshi Ogawa and Codex in #11215 (4944c)

5.0.1#

🚀 Features

🐞 Bug Fixes

5.0.1#

🚀 Features

🐞 Bug Fixes

View changes on GitHub

5.0.1

5.0.1