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toHaveFocus() never match for shadow root descendants

pending triage

Status: Open.

Bug

#11311 In vitest-dev/vitest;

· PolariTOON opened on Sep 18, 2026

A dynamic import() inside a vi.hoisted factory silently drops the file's vi.mock registrations (5.0 regression, all pools)

Status: Open.

#11310 In vitest-dev/vitest;

· mohofo7 opened on Sep 18, 2026

vi.spyOn on both get and set of the same property: restore reinstalls the sibling's mock

Status: Open.

#11306 In vitest-dev/vitest;

· yusuke-oba1 opened on Sep 18, 2026

Native runner manual mocks drop exports re-exported with export *

Status: Open.

#11297 In vitest-dev/vitest;

· harshit-d3v opened on Sep 16, 2026

toContainEqual, toHaveProperty, toBeOneOf and return matchers treat any two Maps or Sets as equal

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

#11296 In vitest-dev/vitest;

· harshit-d3v opened on Sep 16, 2026

The above dynamic import cannot be analyzed by Vite

pending triage

Status: Open.

Bug

#11293 In vitest-dev/vitest;

· Viktor-Ivliev opened on Sep 16, 2026

threads pool worker isolate SIGSEGVs in V8 GC on large suites (vite 8 rolldown, node 24/26, macOS arm64)

pending triage

Status: Open.

#11291 In vitest-dev/vitest;

· Mearman opened on Sep 16, 2026

vmThreads + isolate:false + deps.optimizer: vi.mock misses and duplicate module identity — green on 4.1.11, flaky every run on 5.0.1

Status: Open.

#11289 In vitest-dev/vitest;

· MO2k4 opened on Sep 16, 2026

v5: v8 coverage makes hook-heavy tests (1000× renderHook mount/unmount cycles) ~3-6x slower in-suite vs vitest 4

needs reproduction

Status: Open.

#11285 In vitest-dev/vitest;

· Jackela opened on Sep 16, 2026

vmThreads: file-scoped vi.mock factory from one test file intermittently resolves against another file's imports (isolate: true, v4 & v5)

Status: Open.

#11284 In vitest-dev/vitest;

· Jackela opened on Sep 16, 2026

defineCacheKeyGenerator not distinguishing common files that a plugin process differently in two projects

pending triage

Status: Open.

Bug

#11281 In vitest-dev/vitest;

· dumbmatter opened on Sep 16, 2026

Pass configOptions to environment setup

enhancement: pending triage

Status: Open.

Feature

#11277 In vitest-dev/vitest;

· yamachi4416 opened on Sep 15, 2026