Note: This release reverts a fix from 0.3.26 (#11114) because it introduced a regression in certain cases.

Once a fix can be provided which does not have this regression, it will be released in a future patch.

What's Changed

• perf: Cache package.json location between getNearestPackageJson invocations by @rutkowskib in https://github.com/typeorm/typeorm/pull/11580
• feat: allow VirtualColumns to be initially non-selectable by @alumni in https://github.com/typeorm/typeorm/pull/11586
• build(deps): bump sha.js from 2.4.11 to 2.4.12 in /sample/playground by @dependabot[bot] in https://github.com/typeorm/typeorm/pull/11617
• Add @signalwire/docusaurus-plugin-llms-txt to TypeORM documentation by @Copilot in https://github.com/typeorm/typeorm/pull/11622
• fix: Add package.json exports for react-native by @macksal in https://github.com/typeorm/typeorm/pull/11623
• fix(query-builder): don't use lazy count when offset exceeds total in getManyAndCount by @jeremyteyssedre in https://github.com/typeorm/typeorm/pull/11634
• chore: bump sha.js from 2.4.11 to 2.4.12 (fix security issue: CVE-2025-9288) by @prateek-hegde in https://github.com/typeorm/typeorm/pull/11639
• docs: fix docs for UpdateDateColumn by @madhugb in https://github.com/typeorm/typeorm/pull/11572
• build(deps): bump axios from 1.11.0 to 1.12.1 in /docs by @dependabot[bot] in https://github.com/typeorm/typeorm/pull/11649
• feat(migration): improve JSDoc types in generated migration templates by @gwythyr in https://github.com/typeorm/typeorm/pull/11490
• fix: update tests to reflect migration template changes by @sgarner in https://github.com/typeorm/typeorm/pull/11653
• feat(mysql): add support for MySQL 9 / MariaDB 12 by @alumni in https://github.com/typeorm/typeorm/pull/11575
• ci: add close stale issues GH action by @gioboa in https://github.com/typeorm/typeorm/pull/11651
• feat: add new undefined and null behavior flags by @naorpeled in https://github.com/typeorm/typeorm/pull/11332
• feat(postgres): support vector/halfvec data types by @naorpeled in https://github.com/typeorm/typeorm/pull/11437
• fix: JSON parsing for mysql2 client library (#8319) by @dlhck in https://github.com/typeorm/typeorm/pull/11659
• Revert #11114 do not create junction table metadata when it already exists by @michaelbromley in https://github.com/typeorm/typeorm/pull/11660
• chore: Release v0.3.27 by @michaelbromley in https://github.com/typeorm/typeorm/pull/11661

New Contributors

• @Copilot made their first contribution in https://github.com/typeorm/typeorm/pull/11622
• @macksal made their first contribution in https://github.com/typeorm/typeorm/pull/11623
• @jeremyteyssedre made their first contribution in https://github.com/typeorm/typeorm/pull/11634
• @prateek-hegde made their first contribution in https://github.com/typeorm/typeorm/pull/11639
• @madhugb made their first contribution in https://github.com/typeorm/typeorm/pull/11572
• @gwythyr made their first contribution in https://github.com/typeorm/typeorm/pull/11490

Full Changelog: https://github.com/typeorm/typeorm/compare/0.3.26...0.3.27