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

v3.5.22

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

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.

3.5.22 (2025-09-25)

Bug Fixes

• compiler-core: identifiers in switch-case should not be inferred as references (#13923) (5953c9f)
• compiler-dom: nodes with v-once shouldn't be stringified (#13878) (95c1975)
• compiler-sfc: add support for @vue-ignore in runtime type resolution (#13906) (ba7f7f9)
• compiler-sfc: enhance inferRuntimeType to support TSMappedType with indexed access (#13848) (e388f1a), closes #13847
• compiler-sfc: ensure css custom properties do not start with a digit (#13870) (9c27951)
• compiler-sfc: ensure props bindings register before compiling template (#13922) (abd5638), closes #13920
• compiler-ssr: ensure v-show has a higher priority in SSR (#12171) (836b829), closes #12162
• custom-element: properly mount multiple Teleports in custom element component w/ shadowRoot false (#13900) (5e1e791), closes #13899
• custom-element: set prop runs pending mutations before disconnect (#13897) (c4a88cd), closes #13315
• custom-element: use PatchFlags.BAIL for slot when props are present (#13907) (5358bca), closes #13904
• reactivity: respect readonly during ref unwrapping (#13905) (aba7fed), closes #13903
• reactivity: update iterator to check for completion instead of value presence (#13761) (2078f8b)
• runtime-core: simplify block-tracking disabling in h helper (#13841) (75220c7)
• transition-group: run forceReflow on the correct document (fix #13849) (#13853) (1be5ddf)
• types: more precise types for Events and added missing definitions (#9675) (8bb8fb2)
• types: set dom stub type to never instead of {} (#13915) (8620a61), closes #11564
• types: widen directive arg type from string to any (#13758) (4b71706), closes #13757

Features

• custom-element: allow specifying additional options for shadowRoot in custom elements (#12965) (47e628d), closes #12964

Reverts

• Revert "fix(hmr): prevent VUE_HMR_RUNTIME from being overwritten by vue runtime in 3rd-party libraries" (#13925) (6b68f72), closes #13925

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

... (truncated)

• 5a8aa0b release: v3.5.22
• 9612b95 chore(deps): update all non-major dependencies (#13883)
• e388f1a fix(compiler-sfc): enhance inferRuntimeType to support TSMappedType with inde...
• 9c27951 fix(compiler-sfc): ensure css custom properties do not start with a digit (#1...
• ba7f7f9 fix(compiler-sfc): add support for @​vue-ignore in runtime type resolution (#1...
• abd5638 fix(compiler-sfc): ensure props bindings register before compiling template (...
• 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)
• Additional commits viewable in compare view

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