Vitest 4.1.3 release notes

Add experimental.preParse flag - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10070 (78273)
Support browser.locators.exact option - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10013 (48799)
Add TestAttachment.bodyEncoding - by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9969 (89ca0)
Support custom snapshot matcher - by @hi-ogawa, Claude Sonnet 4.6 and Codex in https://github.com/vitest-dev/vitest/issues/9973 (59b0e)

Advance fake timers with expect.poll interval - by @hi-ogawa and Claude Sonnet 4.6 in https://github.com/vitest-dev/vitest/issues/10022 (3f5bf)
Add @vitest/coverage-v8 and @vitest/coverage-istanbul as optional dependency - by @alan-agius4 in https://github.com/vitest-dev/vitest/issues/10025 (146d4)
Fix defineHelper for webkit async stack trace + update playwright 1.59.0 - by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/10036 (5a5fa)
Fix suite hook throwing errors for unused auto test-scoped fixture - by @hi-ogawa and Claude Sonnet 4.6 in https://github.com/vitest-dev/vitest/issues/10035 (39865)
expect:
- Remove JestExtendError.context from verbose error reporting - by @hi-ogawa in https://github.com/vitest-dev/vitest/issues/9983 (66751)
- Don't leak "runner" types - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10004 (ec204)
snapshot:
- Fix flagging obsolete snapshots for snapshot properties mismatch - by @hi-ogawa and Claude Sonnet 4.6 in https://github.com/vitest-dev/vitest/issues/9986 (6b869)
- Export custom snapshot matcher helper from vitest - by @hi-ogawa and Codex in https://github.com/vitest-dev/vitest/issues/10042 (691d3)
ui:
- Don't leak vite types - by @sheremet-va in https://github.com/vitest-dev/vitest/issues/10005 (fdff1)
vm:
- Fix external module resolve error with deps optimizer query - by @hi-ogawa and Claude Sonnet 4.6 in https://github.com/vitest-dev/vitest/issues/10024 (9dbf4)