Sourced from @​vue/compiler-sfc's releases.

v3.5.21

For stable releases, please refer to CHANGELOG.md for details. For pre-releases, please refer to CHANGELOG.md of the minor branch.

v3.5.20

For stable releases, please refer to CHANGELOG.md for details. For pre-releases, please refer to CHANGELOG.md of the minor branch.

v3.5.19

For stable releases, please refer to CHANGELOG.md for details. For pre-releases, please refer to CHANGELOG.md of the minor branch.

Sourced from @​vue/compiler-sfc's changelog.

3.5.21 (2025-09-02)

Bug Fixes

• compiler-core: force dynamic slots when slot referencing scope vars (#9427) (99d54b2), closes #9380
• compiler-sfc: check lang before attempt to compile script (#13508) (55922ff), closes #8368
• compiler-sfc: support ${configDir} in paths for TypeScript 5.5+ (#13491) (8696e34), closes #13484
• compiler-sfc: support global augments with named exports (#13789) (35da3c6)
• custom-element: prevent defineCustomElement from mutating the options object (#13791) (e322436)
• hmr: prevent __VUE_HMR_RUNTIME__ from being overwritten by vue runtime in 3rd-party libraries (#13817) (1392734), closes vitejs/vite-plugin-vue#644
• hmr: prevent update unmounting component during HMR reload (#13815) (ef20b86), closes vitejs/vite-plugin-vue#599
• runtime-core: disable tracking block in h function (#8213) (8f6b505), closes #6913
• runtime-core: use separate emits caches for components and mixins (#11661) (15fc75f)
• Suspence: handle Suspense + KeepAlive HMR updating edge case (#13076) (5d75a17), closes #13075
• Teleport: hydrate disabled Teleport with undefined target (#11235) (00978f7), closes #11230
• templateRef: prevent unnecessary set ref on dynamic ref change or component unmount (#12642) (93ba107), closes #12639
• watch: use maximum depth for duplicates (#13434) (f2699a5)

Performance Improvements

• improve regexp performance with non-capturing groups (#13567) (1e8b65a)

3.5.20 (2025-08-25)

Bug Fixes

• runtime-dom: add name to vShow for prop mismatch check (#13806) (1031e8d), closes #13805 re-fix #13744 revert #13777

3.5.19 (2025-08-21)

Bug Fixes

• compiler-core: adjacent v-else should cause a compiler error (#13699) (911e670), closes #13698
• compiler-core: prevent cached array children from retaining detached dom nodes (#13691) (7f60ef8), closes element-plus/element-plus#21408 #13211
• compiler-sfc: improve type inference for generic type aliases types (#12876) (d9dd628), closes #12872
• compiler-sfc: throw mismatched script langs error before invoking babel (#13194) (0562548), closes #13193
• compiler-ssr: disable v-memo transform in ssr vdom fallback branch (#13725) (0a202d8), closes #13724
• devtools: clear performance measures (#13701) (c875019), closes #13700
• hmr: prevent updating unmounting component during HMR rerender (#13775) (6e5143d), closes #13771 #13772
• hydration: also set vShow name if __FEATURE_PROD_HYDRATION_MISMATCH_DETAILS__ flag is enabled (#13777) (439e1a5), closes #13744
• reactivity: warn on nested readonly ref update during unwrapping (#12141) (1498821)
• runtime-core: avoid setting direct ref of useTemplateRef in dev (#13449) (4a2953f)

... (truncated)

• 4b6cb1f release: v3.5.21
• 55922ff fix(compiler-sfc): check lang before attempt to compile script (#13508)
• 1e8b65a perf: improve regexp performance with non-capturing groups (#13567)
• 8696e34 fix(compiler-sfc): support ${configDir} in paths for TypeScript 5.5+ (#13491)
• 35da3c6 fix(compiler-sfc): support global augments with named exports (#13789)
• 3aa782d release: v3.5.20
• 0f916d8 types(compiler-sfc): add explicit return type to genModelProps (#13441)
• 20b888b release: v3.5.19
• d9dd628 fix(compiler-sfc): improve type inference for generic type aliases types (#12...
• 10edfb5 chore(deps): update all non-major dependencies (#13733)
• Additional commits viewable in compare view

This version was pushed to npm by [GitHub Actions](https://www.npmjs.com/~GitHub Actions), a new releaser for @​vue/compiler-sfc since your current version.

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot show <dependency name> ignore conditions will show all of the ignore conditions of the specified dependency
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)