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Setting window.innerWidth doesn't actually set innerWidth on happy-dom's window object

pending triage

Status: Open.

Bug

#10343 In vitest-dev/vitest;

· arthur-cornfield opened on May 13, 2026

Support fileTemplate/filePrefix alongside junit classnameTemplate

enhancement: pending triage

Status: Open.

Feature

#10341 In vitest-dev/vitest;

· TylerJang27 opened on May 13, 2026

Vitest doesn't snapshot Error.cause like Jest does

p2-to-be-discussedEnhancement under consideration (priority)Enhancement under consideration (priority)

pending triage

Status: Open.

Bug

#10339 In vitest-dev/vitest;

· slorber opened on May 13, 2026

vitest should fail for nonexistent root directory

p2-to-be-discussedEnhancement under consideration (priority)Enhancement under consideration (priority)

pending triage

Status: Open.

Bug

#10336 In vitest-dev/vitest;

· hi-ogawa opened on May 13, 2026

browser: dynamicImportPlugin leaks into SSR environment, breaks SvelteKit dev middleware

pending triage

Status: Open.

Bug

#10319 In vitest-dev/vitest;

· playday3008 opened on May 11, 2026

Trace View: Failure-Only Snapshot Capture

feat: browserIssues and PRs related to the browser runnerIssues and PRs related to the browser runner

Status: Open.

Feature

#10310 In vitest-dev/vitest;

· hi-ogawa opened on May 10, 2026

First stderr entry shares timestamp with preceding stdout entry in custom reporters

p3-minor-bugAn edge case that only affects very specific usage (priority)An edge case that only affects very specific usage (priority)

Status: Open.

Bug

#10307 In vitest-dev/vitest;

· aslushnikov opened on May 8, 2026

concurrencyId not exposed to custom reporters

enhancement: pending triage

feat: reportersIssues and PRs related to Vitest reportersIssues and PRs related to Vitest reporters

Status: Open.

Feature

#10306 In vitest-dev/vitest;

· aslushnikov opened on May 8, 2026

Custom reporters can't access per-attempt details for retries

enhancement: pending triage

feat: reportersIssues and PRs related to Vitest reportersIssues and PRs related to Vitest reporters

Status: Open.

Feature

#10303 In vitest-dev/vitest;

· aslushnikov opened on May 8, 2026

hasText option is available in getByRole(..., { hasText }) but no-op

p3-minor-bugAn edge case that only affects very specific usage (priority)An edge case that only affects very specific usage (priority)

Status: Open.

Bug

#10295 In vitest-dev/vitest;

· hi-ogawa opened on May 8, 2026

Have a strictModuleType option to disable CJS-ESM interop

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

Status: Open.

Feature

#10292 In vitest-dev/vitest;

· sheremet-va opened on May 7, 2026

Module mocking regression from Vitest 3 to Vitest 4

pending triage

Status: Open.

Bug

#10290 In vitest-dev/vitest;

· patrickshipe opened on May 7, 2026