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" DEPRECATED <code>test.poolOptions</code> was removed in Vitest 4. All previous <code>poolOptions</code> are now top-level options. Please, refer to the migration guide: https://vitest.dev/guide/migration#pool-rework"

enhancement: pending triage

Status: Open.

Feature

#9563 In vitest-dev/vitest;

· developer239 opened on Feb 1, 2026

<code>hideSkippedTests</code> removes <code>it.todo</code> tests from reports; does not affect test summary

pending triage

Status: Open.

Bug

#9562 In vitest-dev/vitest;

· Bertie690 opened on Jan 31, 2026

<code>TypeError: __vite_ssr_import_0__.default.util.getEnv is not a function</code>

needs reproduction

pending triage

Status: Open.

Bug

#9561 In vitest-dev/vitest;

· khteh opened on Jan 31, 2026

Memory leak in 4.0.18 causing OOM when running multiple tests

Status: Open.

#9560 In vitest-dev/vitest;

· natew opened on Jan 31, 2026

Hovering over tooltip with vitest browser mode

pending triage

Status: Open.

Bug

#9559 In vitest-dev/vitest;

· thaynarbo opened on Jan 31, 2026

vi.mock with spy: true stops working in Vitest 4

pending triage

Status: Open.

Bug

#9558 In vitest-dev/vitest;

· patrickshipe opened on Jan 30, 2026

Seed is not logged when only <code>sequence.shuffle.tests</code> is enabled

pending triage

Status: Open.

Bug

#9557 In vitest-dev/vitest;

· nstepien opened on Jan 30, 2026

Strange coverage change for Vue SFC template sections from 4.0.17+

pending triage

Status: Open.

Bug

#9556 In vitest-dev/vitest;

· MetRonnie opened on Jan 30, 2026

Two independent file-scoped <code>test.extend</code> with same key get mixed

pending triage

Status: Open.

Bug

#9555 In vitest-dev/vitest;

· hi-ogawa opened on Jan 30, 2026

Show warning if <code>toEqual</code> compares the object which Object.keys returns empty array for

p2-nice-to-haveNot breaking anything but nice to have (priority)Not breaking anything but nice to have (priority)

Status: Open.

Feature

#9542 In vitest-dev/vitest;

· sevenc-nanashi opened on Jan 28, 2026

Test Recorder / Codegen tab in UI for Browser Mode

enhancement: pending triage

Status: Open.

Feature

#9530 In vitest-dev/vitest;

· nizans opened on Jan 26, 2026

No test suite found in file on Windows again

pending triage

Status: Open.

Bug

#9507 In vitest-dev/vitest;

· hyperblast opened on Jan 23, 2026