Issues

• Vitest Config Reference - "name" has invalid code in the sample for setting up multiple projects.

  documentation
  vitest-dev/vitest#11544 · Filter by author FlanderJam opened on Oct 9, 2026

• coverage-v8: a file both inlined by vite and loaded natively (require / createRequire) gets wrong, run-to-run unstable coverage

  vitest-dev/vitest#11541 · Filter by author islanddave opened on Oct 9, 2026
  1

• Svelte 5 $state UI stays stale after a nested update under vmThreads

  pending triage
  Bug

  vitest-dev/vitest#11538 · Filter by author pooledge opened on Oct 9, 2026

• Browser mode: --changed and related crash in vite:css when the changed source imports a CSS Module

  p3-minor-bug
  Bug

  vitest-dev/vitest#11532 · Filter by author everton-dgn opened on Oct 8, 2026

• /@vite/client stub's createHotContext returns a hot context without the documented "data" property

  p2-edge-case
  Bug

  vitest-dev/vitest#11528 · Filter by author Alxs39 opened on Oct 8, 2026
  2

• Add an option to group insertions and deletions in diff output for better readability

  enhancement: pending triage
  Feature

  vitest-dev/vitest#11526 · Filter by author 12joan opened on Oct 7, 2026

• With isolate: false, each file's vi.mock factory is never released, so worker memory grows per file

  vitest-dev/vitest#11495 · Filter by author alexandrucojocaru-creatopy opened on Oct 5, 2026
  2

• Browser Mode: vi.mock factory that omits an export fails with "does not provide an export named"

  p2-edge-case
  vitest-dev/vitest#11493 · Filter by author Stanzilla opened on Oct 5, 2026

• Add Argos to the cloud services in the Visual Regression Testing guide

  documentation
  vitest-dev/vitest#11488 · Filter by author gregberge opened on Oct 5, 2026
  1

• globalSetup is run multiple times when using browser.instances instead of test projects

  pending triage
  Bug

  vitest-dev/vitest#11487 · Filter by author mihkeleidast opened on Oct 5, 2026

• Assertions throw a private-field TypeError instead of reporting a mismatch

  p3-minor-bug
  Bug

  vitest-dev/vitest#11474 · Filter by author jviide opened on Oct 4, 2026
  1

• browser.providerOptions is silently ignored by the playwright provider launch (config and CLI)

  vitest-dev/vitest#11470 · Filter by author SisyphusZheng opened on Oct 4, 2026

• Browser mode: unhandled rejection when a bail lands during a vi.mock factory (root cause)

  vitest-dev/vitest#11467 · Filter by author cplieger opened on Oct 4, 2026

• onTestRunEnd receives reason: 'passed' when a forks worker is killed and its test file never completes

  vitest-dev/vitest#11464 · Filter by author prestonwillis10 opened on Oct 4, 2026
  1

• Thrown non-Error values produce SerializedError without a message

  vitest-dev/vitest#11456 · Filter by author franckchen opened on Oct 3, 2026

• Browser mode: failure screenshots fail with ENAMETOOLONG on long test names

  feat: browserp3-minor-bug
  Bug

  vitest-dev/vitest#11455 · Filter by author pat-in-a-hat opened on Oct 2, 2026
  2

• Failed test's FAIL header is printed once per retry attempt

  p2-nice-to-have
  vitest-dev/vitest#11454 · Filter by author bradywatkinson opened on Oct 2, 2026
  1

• Module tmp-copy write failure is swallowed, later fetches point to a never-written file (ENOENT in workers when TMPDIR volume is nearly full)

  vitest-dev/vitest#11452 · Filter by author Mondragondon opened on Oct 2, 2026
  1

• Watch mode reruns every test importing a Tailwind stylesheet when a file Tailwind scans changes

  pending triage
  Bug

  vitest-dev/vitest#11437 · Filter by author kasperpeulen opened on Oct 1, 2026

• browser-playwright: failure screenshot fails with strict mode violation when there are 2 <body> elements

  pending triage
  Bug

  vitest-dev/vitest#11434 · Filter by author SomaH123 opened on Oct 1, 2026
  2

• isolate: false: test.env is no longer reapplied before each file in a reused worker (regression from 4.1.11)

  vitest-dev/vitest#11423 · Filter by author MO2k4 opened on Oct 1, 2026

• vmThreads + jsdom: every finished test file stays in memory (V8 retained maps)

  vitest-dev/vitest#11398 · Filter by author lesleh opened on Sep 29, 2026

• test.for doesn't type-check with noUncheckedIndexedAccess enabled

  pending triage
  Bug

  vitest-dev/vitest#11383 · Filter by author jessestricker opened on Sep 28, 2026
  1

• ReferenceError: process is not defined - Issue on vitest@5 teardown during unfinished async operations

  pending triage
  Bug

  vitest-dev/vitest#11380 · Filter by author francesco-agnoletto opened on Sep 28, 2026
  3

• vmThreads: teardown timeout only logs and a stuck worker is never force-terminated, so the process can hang

  p2-edge-case
  vitest-dev/vitest#11371 · Filter by author Addin opened on Sep 27, 2026
  6