v3.5.22

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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

v3.5.21

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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)

v3.5.20

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Bug Fixes

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

v3.5.19

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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)
• runtime-core: improve consistency of PublicInstanceProxyHandlers.has (#​13507) (d7283f3)
• suspense: don't immediately resolve suspense on last dep unmount (#​13456) (a871315), closes #​13453
• transition: handle KeepAlive + transition leaving edge case (#​13152) (3190b17), closes #​13153

v3.5.18

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Bug Fixes

• compiler-core: avoid cached text vnodes retaining detached DOM nodes (#​13662) (00695a5), closes #​13661
• compiler-core: avoid self updates of v-pre (#​12556) (21b685a)
• compiler-core: identifiers in function parameters should not be inferred as references (#​13548) (9b02923)
• compiler-core: recognize empty string as non-identifier (#​12553) (ce93339)
• compiler-core: transform empty v-bind dynamic argument content correctly (#​12554) (d3af67e)
• compiler-sfc: transform empty srcset w/ includeAbsolute: true (#​13639) (d8e40ef), closes vitejs/vite-plugin-vue#631
• css-vars: nullish v-bind in style should not lead to unexpected inheritance (#​12461) (c85f1b5), closes #​12434 #​12439 #​7474 #​7475
• custom-element: ensure exposed methods are accessible from custom elements by making them enumerable (#​13634) (90573b0), closes #​13632
• hydration: prevent lazy hydration for updated components (#​13511) (a9269c6), closes #​13510
• runtime-core: ensure correct anchor el for unresolved async components (#​13560) (7f29943), closes #​13559
• slots: refine internal key checking to support slot names starting with an underscore (#​13612) (c5f7db1), closes #​13611
• ssr: ensure empty slots render as a comment node in Transition (#​13396) (8cfc10a), closes #​13394

v3.5.17

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Bug Fixes

• compat: allow v-model built in modifiers on component (#​12654) (cb14b86), closes #​12652
• compile-sfc: handle mapped types work with omit and pick (#​12648) (4eb46e4), closes #​12647
• compiler-core: do not increase newlines in InEntity state (#​13362) (f05a8d6)
• compiler-core: ignore whitespace when matching adjacent v-if (#​12321) (10ebcef), closes #​9173
• compiler-core: prevent comments from blocking static node hoisting (#​13345) (55dad62), closes #​13344
• compiler-sfc: improved type resolution for function type aliases (#​13452) (f3479aa), closes #​13444
• custom-element: ensure configureApp is applied to async component (#​12607) (5ba1afb), closes #​12448
• custom-element: prevent injecting child styles if shadowRoot is false (#​12769) (73055d8), closes #​12630
• reactivity: add __v_skip flag to Dep to prevent reactive conversion (#​12804) (e8d8f5f), closes #​12803
• runtime-core: unset old ref during patching when new ref is absent (#​12900) (47ddf98), closes #​12898
• slots: make cache indexes marker non-enumerable (#​13469) (919c447), closes #​13468
• ssr: handle initial selected state for select with v-model + v-for/v-if option (#​13487) (1552095), closes #​13486
• types: typo of vOnce and vSlot (#​13343) (762fae4)

v3.5.16

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Reverts

• Revert "fix(compiler-sfc): add scoping tag to trailing universal selector" (#​13406) (19f23b1), closes #​13406
• Revert "fix(compiler-sfc): add error handling for defineModel() without variable" (#​13390) (42f879f), closes #​13390

v3.5.15

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Bug Fixes

• compat: ensure false value on input retains value attribute (#​13216) (1a66474), closes #​13205
• compat: should not warn COMPILER_V_BIND_OBJECT_ORDER when using v-bind together with v-for (#​12993) (93949e6), closes #​12992
• compile-sfc: handle inline template source map in prod build (#​12701) (89edc6c), closes #​12682 vitejs/vite-plugin-vue#500
• compiler-core: ensure mapping is added only if node source is available (#​13285) (d37a2ac), closes #​13261 vitejs/vite-plugin-vue#368
• compiler-dom: improve HTML nesting validation to allow any child element within template tag (#​13320) (163b365), closes #​13318
• compiler-sfc: add error handling for defineModel() without variable assignment (#​13352) (00734af), closes #​13280
• compiler-sfc: add scoping tag to trailing universal selector (#​12918) (949df80), closes #​12906
• compiler-sfc: improve type inference for TSTypeAliasDeclaration with better runtime type detection (#​13245) (cf5a5e0), closes #​13240
• compiler-sfc: simulate allowArbitraryExtensions on resolving type (#​13301) (f7ce5ae), closes #​13295
• custom-element: allow injecting values ​​from app context in nested elements (#​13219) (b991075), closes #​13212
• custom-element: ensure proper remount and prevent redundant slot parsing with shadowRoot false (#​13201) (1d41d4d), closes #​13199
• custom-element: preserve appContext during update (#​12455) (013749e), closes #​12453
• custom-element: properly resolve props for sync component defs (#​12855) (a683c80), closes #​12854
• hydration: handle transition appear hydration edge case (#​13339) (35aeae7), closes #​13335
• hydration: skip lazy hydration for patched components (#​13283) (80055fd), closes #​13255
• suspense: handle edge case in patching list nodes within Suspense (#​13306) (772b008), closes #​13305
• teleport: handle deferred teleport updates before and after mount (#​13350) (d15dce3), closes #​13349
• types: avoid merging component instance into $props in ComponentInstance (#​12870) (f44feed), closes #​12751
• types: exclude undefined from inferred prop types with default values (#​13007) (5179d32), closes #​13006
• watch: update oldValue before running cb to prevent stale value (#​12296) (c69c4bb), closes #​12294

v3.5.14

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Bug Fixes

• compat: correct deprecation message for v-bind.sync usage (#​13137) (466b30f), closes #​13133
• compiler-core: remove slot cache from parent renderCache during unmounting (#​13215) (5d166f3)
• compiler-sfc: fix scope handling for props destructure in function parameters and catch clauses (8e34357), closes #​12790
• compiler-sfc: treat the return value of useTemplateRef as a definite ref (#​13197) (8ae1122)
• compiler: fix spelling error in domTagConfig (#​13043) (388295b)
• customFormatter: properly accessing ref value during debugger (#​12948) (fdbd026)
• hmr/teleport: adjust static children traversal for HMR in dev mode (#​12819) (5e37dd0), closes #​12816
• hmr: avoid hydration for hmr root reload (#​12450) (1f98a9c), closes vitejs/vite-plugin-vue#146 vitejs/vite-plugin-vue#477
• hmr: avoid hydration for hmr updating (#​12262) (9c4dbbc), closes #​7706 #​8170
• reactivity: ensure markRaw objects are not reactive (#​12824) (295b5ec), closes #​12807
• reactivity: ensure multiple effectScope on() and off() calls maintains correct active scope (22dcbf3), closes #​12631 #​12632 #​12641
• reactivity: should not recompute if computed does not track reactive data (#​12341) (0b23fd2), closes #​12337
• runtime-core: stop tracking deps in setRef during unmount (#​13210) (016c472)
• runtime-core: update __vnode of static nodes when patching along the optimized path (#​13223) (b3ecee3)
• runtime-core: inherit comment nodes during block patch in production build (#​10748) (6264505), closes #​10747 #​12650
• runtime-core: prevent unmounted vnode from being inserted during transition leave (#​12862) (d6a6ec1), closes #​12860
• runtime-core: respect immutability for readonly reactive arrays in v-for (#​13091) (3f27c58), closes #​13087
• runtime-dom: always treat autocorrect as attribute (#​13001) (1499135), closes #​5705
• slots: properly warn if slot invoked in setup (#​12195) (9196222), closes #​12194
• ssr: properly init slots during ssr rendering (#​12441) (2206cd2), closes #​12438
• transition: fix KeepAlive with transition out-in mode behavior in production (#​12468) (343c891), closes #​12465
• TransitionGroup: reset prevChildren to prevent memory leak (#​13183) (8b848cb), closes #​13181
• types: allow return any for Options API lifecycle hooks (#​5914) (06310e8)
• types: the directive's modifiers should be optional (#​12605) (10e54dc)
• typos: fix comments referencing transformElement.ts (#​12551)[ci-skip] (11c053a)

Features

• types: add type TemplateRef (#​12645) (636a861)

v3.5.13

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Bug Fixes

• compiler-core: handle v-memo + v-for with functional key (#​12014) (99009ee), closes #​12013
• compiler-dom: properly stringify template string style (#​12392) (2d78539), closes #​12391
• custom-element: avoid triggering mutationObserver when relecting props (352bc88), closes #​12214 #​12215
• deps: update dependency postcss to ^8.4.48 (#​12356) (b5ff930)
• hydration: the component vnode's el should be updated when a mismatch occurs. (#​12255) (a20a4cb), closes #​12253
• reactivity: avoid unnecessary watcher effect removal from inactive scope (2193284), closes #​5783 #​5806
• reactivity: release nested effects/scopes on effect scope stop (#​12373) (bee2f5e), closes #​12370
• runtime-dom: set css vars before user onMounted hooks (2d5c5e2), closes #​11533
• runtime-dom: set css vars on update to handle child forcing reflow in onMount (#​11561) (c4312f9)
• ssr: avoid updating subtree of async component if it is resolved (#​12363) (da7ad5e), closes #​12362
• ssr: ensure v-text updates correctly with custom directives in SSR output (#​12311) (1f75d4e), closes #​12309
• ssr: handle initial selected state for select with v-model + v-for option (#​12399) (4f8d807), closes #​12395
• teleport: handle deferred teleport update before mounted (#​12168) (8bff142), closes #​12161
• templateRef: set ref on cached async component which wrapped in KeepAlive (#​12290) (983eb50), closes #​4999 #​5004
• test: update snapshot (#​12169) (828d4a4)
• Transition: fix transition memory leak edge case (#​12182) (660132d), closes #​12181
• transition: reflow before leave-active class after leave-from (#​12288) (4b479db), closes #​2593
• types: defineEmits w/ interface declaration (#​12343) (1022eab), closes #​8457
• v-once: setting hasOnce to current block only when in v-once (#​12374) (37300fc), closes #​12371

Performance Improvements

• reactivity: do not track inner key `__v_skip`` (#​11690) (d637bd6)
• runtime-core: use feature flag for call to resolveMergedOptions (#​12163) (1755ac0)

v3.5.12

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Bug Fixes

• compiler-dom: avoid stringify option with null value (#​12096) (f6d9926), closes #​12093
• compiler-sfc: do not skip TSInstantiationExpression when transforming props destructure (#​12064) (d3ecde8)
• compiler-sfc: use sass modern api if available and avoid deprecation warning (#​11992) (4474c11)
• compiler: clone loc to ifNode (#​12131) (cde2c06), closes vuejs/language-tools#4911
• custom-element: properly remove hyphenated attribute (#​12143) (e16e9a7), closes #​12139
• defineModel: handle kebab-case model correctly (#​12063) (c0418a3), closes #​12060
• deps: update dependency monaco-editor to ^0.52.0 (#​12119) (f7cbea2)
• hydration: provide compat fallback for idle callback hydration strategy (#​11935) (1ae545a)
• reactivity: trigger reactivity for Map key undefined (#​12055) (7ad289e), closes #​12054
• runtime-core: allow symbol values for slot prop key (#​12069) (d9d4d4e), closes #​12068
• runtime-core: fix required prop check false positive for kebab-case edge cases (#​12034) (9da1ac1), closes #​12011
• runtime-dom: prevent unnecessary updates in v-model checkbox when value is unchanged (#​12146) (ea943af), closes #​12144
• teleport: handle disabled teleport with updateCssVars (#​12113) (76a8223), closes #​12112
• transition/ssr: make transition appear work with Suspense in SSR (#​12047) (f1a4f67), closes #​12046
• types: ensure this.$props type does not include string (#​12123) (704173e), closes #​12122
• types: retain union type narrowing with defaults applied (#​12108) (05685a9), closes #​12106
• useId: ensure useId consistency when using serverPrefetch (#​12128) (b4d3534), closes #​12102
• watch: watchEffect clean-up with SSR (#​12097) (b094c72), closes #​11956

Performance Improvements

• reactivity: avoid unnecessary recursion in removeSub (#​12135) (ec917cf)

v3.5.11

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Bug Fixes

• compiler-sfc: do not skip TSSatisfiesExpression when transforming props destructure (#​12062) (2328b05), closes #​12061
• reactivity: prevent overwriting next property during batch processing (#​12075) (d3f5e6e), closes #​12072
• scheduler: job ordering when the post queue is flushing (#​12090) (577edca)
• types: correctly infer TypeProps when it is any (#​12073) (57315ab), closes #​12058
• types: should not intersect PublicProps with Props (#​12077) (6f85894)
• types: infer the first generic type of Ref correctly (#​12094) (c97bb84)

v3.5.10

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Bug Fixes

• custom-element: properly set kebab-case props on Vue custom elements (ea3efa0), closes #​12030 #​12032
• reactivity: fix nested batch edge case (93c95dd)
• reactivity: only clear notified flags for computed in first batch iteration (aa9ef23), closes #​12045
• types/ref: handle nested refs in UnwrapRef (#​12049) (e2c19c2), closes #​12044

v3.5.9

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Bug Fixes

• reactivity: fix property dep removal regression (6001e5c), closes #​12020 #​12021
• reactivity: fix recursive sync watcher on computed edge case (10ff159), closes #​12033 #​12037
• runtime-core: avoid rendering plain object as VNode (#​12038) (cb34b28), closes #​12035 vitejs/vite-plugin-vue#353
• runtime-core: make useId() always return a string (a177092)
• types: correct type inference of union event names (#​12022) (4da6881)
• vue: p