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3.4.19 (2024-02-13)

Bug Fixes

  • deps: pin lru-cache to avoid hashing error (b8be990), closes #10300
  • hydration: fix css vars hydration mismatch false positive on non-root nodes (995d2fd), closes #10317 #10325
  • runtime-dom: should not trigger transition when v-show value is falsy (#10311) (e509639)

Features

Note: this warning is categorized as a feature but released in a patch because it does not affect public APIs.

  • dx: warn users when computed is self-triggering (#10299) (f7ba97f)

Performance Improvements

3.4.18 (2024-02-09)

Bug Fixes

  • dx: warn against reserved keys as prop name (77a804b), closes #10281
  • runtime-dom: ensure v-show respects display value set via v-bind (#10297) (c224897), closes #10151

3.4.17 (2024-02-09)

Reverts

3.4.16 (2024-02-08)

Bug Fixes

Reverts

3.4.15 (2024-01-18)

Bug Fixes

  • compiler-sfc: fix type resolution for symlinked node_modules structure w/ pnpm (75e866b), closes #10121
  • correct url for production error reference links (c3087ff)
  • hydration: fix incorect mismatch warning for option with non-string value and inner text (d16a213)
  • reactivity: re-fix #10114 (#10123) (c2b274a)
  • runtime-core: should not warn out-of-render slot fn usage when mounting another app in setup (#10125) (6fa33e6), closes #10124

Performance Improvements

  • templateRef: avoid double render when using template ref on v-for (de4d2e2), closes #9908
  • v-model: optimize v-model multiple select w/ large lists (2ffb956), closes #10014

3.4.14 (2024-01-15)

Bug Fixes

  • compiler-sfc: enable prefixIdentifiers by default when reparsing on consumed AST (#10105) (48bf8e4)
  • deps: update dependency postcss to ^8.4.33 (#10110) (a557006)
  • reactivity: fix regression for computed with mutation (#10119) (20f62af), closes #10114

3.4.13 (2024-01-13)

Bug Fixes

3.4.12 (2024-01-13)

Reverts

3.4.11 (2024-01-12)

Bug Fixes

3.4.10 (2024-01-11)

Bug Fixes

  • hydration: should not warn on falsy bindings of non-property keys (3907c87)

3.4.9 (2024-01-11)

Bug Fixes

  • build: avoid accessing FEATURE_PROD_DEVTOOLS flag in root scope (dfd9654)
  • hydration: do not warn against bindings w/ object values (dcc68ef)
  • runtime-dom: unify behavior for v-show + style display binding (#10075) (cd419ae), closes #10074
  • suspense: avoid double-patching nested suspense when parent suspense is not resolved (#10055) (bcda96b), closes #8678

3.4.8 (2024-01-10)

Bug Fixes

  • hydration: fix class and style hydration mismatch message (5af3987), closes #10067
  • hydration: improve attr hydration mismatch check for boolean attrs (972face), closes #10057 #10060
  • suspense: fix more suspense patch before resolve edge cases (70ad4ca), closes #10017

3.4.7 (2024-01-09)

Bug Fixes

  • parser: skip compat mode check for SFC root <template> tags (#10034) (923d560)
  • types: fix functional component for h (#9991) (438a74a)

Reverts

  • "dx(computed): warn incorrect use of getCurrentInstance inside computed" (2fd3905)

3.4.6 (2024-01-08)

Bug Fixes

3.4.5 (2024-01-04)

Bug Fixes

  • compiler-sfc: fix co-usage of defineModel transform options and props destructure (b20350d), closes #9972
  • compiler-sfc: fix sfc template unref rewrite for class instantiation (ae60a91), closes #6483 #6491
  • compiler-ssr: fix node clone edge case caused by AST reuse (#9983) (7dbdb3e), closes #9981
  • watch: cleanup watcher effect from scope when manually stopped (#9978) (d2d8955)

3.4.4 (2024-01-03)

Bug Fixes

  • compiler-sfc: fix scss source map regression (71d3121), closes #9970 #9969
  • compiler-sfc: use compilerOptions when re-parsing consumed AST (d94d8d4)
  • defineModel: support kebab-case/camelCase mismatches (#9950) (10ccb9b)
  • runtime-core: correctly assign suspenseId to avoid conflicts with the default id (#9966) (0648804), closes #9944
  • ssr: avoid rendering transition-group slot content as a fragment (#9961) (0160264), closes #9933
  • watch: remove instance unmounted short circuit in getter of watchEffect (#9948) (f300a40)
  • watch: revert watch behavior when watching shallow reactive objects (a9f781a), closes #9965

Performance Improvements

  • watch: avoid double traverse for reactive source (24d77c2)

3.4.3 (2023-12-30)

Bug Fixes

  • compiler-sfc: respect sfc parse options in cache key (b8d58ec)

3.4.2 (2023-12-30)

Bug Fixes

  • compiler-sfc: fix dev regression for dot / namespace component usage (dce99c1), closes #9947
  • runtime-core: support deep: false when watch reactive (#9928) (4f703d1), closes #9916
  • ssr: fix hydration error for slot outlet inside transition-group (#9937) (6cb00ed), closes #9933

3.4.1 (2023-12-30)

Bug Fixes

  • compat: correct enum value for COMPILER_FILTERS feature (#9875) (77d33e2)
  • defineModel: always default modifiers to empty object (9bc3c7e), closes #9945
  • defineModel: support local mutation when only prop but no listener is passed (97ce041)
  • types: fix defineModel watch type error (#9942) (4af8583), closes #9939

Features

3.4.0 Slam Dunk (2023-12-29)

Read this blog post for an overview of the release highlights.

Potential Actions Needed

  1. To fully leverage new features in 3.4, it is recommended to also update the following dependencies when upgrading to 3.4:

    • Volar / vue-tsc@^1.8.27 (required)
    • @vitejs/plugin-vue@^5.0.0 (if using Vite)
    • nuxt@^3.9.0 (if using Nuxt)
    • vue-loader@^17.4.0 (if using webpack or vue-cli)

  2. If using TSX with Vue, check actions needed in Removed: Global JSX Namespace.

  3. Make sure you are no longer using any deprecated features (if you are, you should have warnings in the console telling you so). They may have been removed in 3.4.

Features

Performance Improvements

  • compiler-sfc: avoid sfc source map unnecessary serialization and parsing (f15d2f6)
  • compiler-sfc: remove magic-string trim on script (e8e3ec6)
  • compiler-sfc: use faster source map addMapping (50cde7c)
  • compiler-core: optimize away isBuiltInType (66c0ed0)
  • compiler-core: optimize position cloning (2073236)
  • codegen: optimize line / column calculation during codegen (3be53d9)
  • codegen: optimize source map generation (c11002f)
  • shared: optimize makeMap (ae6fba9)

BREAKING CHANGES

Global JSX Registration Removed

Starting in 3.4, Vue no longer registers the global JSX namespace by default. This is necessary to avoid global namespace collision with React so that TSX of both libs can co-exist in the same project. This should not affect SFC-only users with latest version of Volar.

If you are using TSX, there are two options:

  1. Explicitly set jsxImportSource to 'vue' in tsconfig.json before upgrading to 3.4. You can also opt-in per file by adding a /* @jsxImportSource vue */ comment at the top of the file.

  2. If you have code that depends on the presence of the global JSX namespace, e.g. usage of types like JSX.Element etc., you can retain the exact pre-3.4 global behavior by explicitly referencing vue/jsx, which registers the global JSX namespace.

Note that this is a type-only breaking change in a minor release, which adheres to our release policy.

Deprecated Features Removed

  • Reactivity Transform was marked deprecated in 3.3 and is now removed in 3.4. This change does not require a major due to the feature being experimental. Users who wish to continue using the feature can do so via the Vue Macros plugin.
  • app.config.unwrapInjectedRef has been removed. It was deprecated and enabled by default in 3.3. In 3.4 it is no longer possible to disable this behavior.
  • @vnodeXXX event listeners in templates are now a compiler error instead of a deprecation warning. Use @vue:XXX listeners instead.
  • v-is directive has been removed. It was deprecated in 3.3. Use the is attribute with vue: prefix instead.

3.4.0-rc.3 (2023-12-27)

Bug Fixes

  • also export runtime error strings in all cjs builds (38706e4)

Features

  • defineModel: support modifiers and transformers (a772031)

3.4.0-rc.2 (2023-12-26)

Bug Fixes

  • deps: update dependency @vue/repl to ^3.1.0 (#9911) (f96c413)
  • types: fix distribution of union types when unwrapping setup bindings (#9909) (0695c69), closes #9903
  • warning: ensure prod hydration warnings actually work (b4ebe7a)

Features

  • compiler-sfc: export aggregated error messages for compiler-core and compiler-dom (25c726e)

3.4.0-rc.1 (2023-12-25)

Bug Fixes

  • compiler-core: fix parsing <script setup> generics with > (7aa3f25), closes #9890
  • compiler-sfc: fix type resolution for shared type w/ different generic parameters (a8d0b1b), closes #9871
  • ssr: avoid hydration mismatch warning for classes with different order (e585b0d)

3.4.0-beta.4 (2023-12-19)

Bug Fixes

  • compile-sfc: fix identifier prefixing edge case caused by reused AST (#9867) (eb51b23), closes #9853 #9863
  • ssr: fix hydration prop mismatch check for class on SVG elements (e8448b0)

Features

  • runtime-core: throw real error when scheduler detects infinite loop during dev (#7447) (1d79b64), closes #7437

3.3.13 (2023-12-19)

Bug Fixes

  • compiler-core: fix v-on with modifiers on inline expression of undefined (#9866) (bae79dd), closes #9865
  • runtime-dom: cache event handlers by key/modifiers (#9851) (04d2c05), closes #9849
  • types: extract properties from extended collections (#9854) (24b1c1d), closes #9852

3.4.0-beta.3 (2023-12-16)

Bug Fixes

  • compiler-core: vnode hooks error message (#9842) (7bc3c9e)
  • defineModel: ensure trigger effect when prop changed (#9841) (eb12f21), closes #9838
  • mathml: update known mathML tags (#9829) (ebd78d2)
  • Suspense: fix edge case of Suspense being patched during async HOC child remount (f0f6f7c)

3.3.12 (2023-12-16)

Bug Fixes

  • hydration: handle appear transition before patch props (#9837) (e70f4c4), closes #9832
  • sfc/cssVars: fix loss of CSS v-bind variables when setting inline style with string value (#9824) (0a387df), closes #9821
  • ssr: fix suspense hydration of fallback content (#7188) (60415b5)
  • types: add xmlns:xlink to SVGAttributes (#9300) (0d61b42), closes #9299
  • types: fix shallowRef type error (#9839) (9a57158)
  • types: support for generic keyof slots (#8374) (213eba4)

3.4.0-beta.2 (2023-12-14)

Features

  • types: remove default jsx global registration (92b8d9c)

BREAKING CHANGES

  • types: Vue no longer registers the global JSX namespace by default.

3.4.0-beta.1 (2023-12-13)

Bug Fixes

  • compiler-core: use the same resolved options for all compile stages (#9760) (0dc875d)
  • hydration: should not warn mismatch for nullish prop (33159a5)
  • hydration: swap client/server labels for hydration mismatch warnings (f41fd86), closes #9098 #5953
  • runtime-core: fix suspense crash when patching non-resolved async setup component (#7290) (bb0c889), closes #5993 #6463 #6949 #6095 #8121
  • runtime-core: properly pop warning context when mounting components with async setup (69a2acc)
  • ssr: fix suspense hydration of fallback content (#7188) (60415b5)
  • ssr: make isInSSRComponentSetup state sharable across copies of Vue (e04d821)
  • Suspense: handle switching away from kept-alive component before resolve (aa0c13f), closes #6416 #6467
  • Suspense: properly fix #6416 (0db336f)
  • types: add xmlns:xlink to SVGAttributes (#9300) (0d61b42), closes #9299
  • types: support for generic keyof slots (#8374) (213eba4)

Features

Performance Improvements

3.3.11 (2023-12-08)

Bug Fixes

  • custom-element: correctly handle number type props in prod (#8989) (d74d364)
  • reactivity: fix mutation on user proxy of reactive Array (6ecbd5c), closes #9742 #9751 #9750
  • runtime-dom: fix width and height prop check condition (5b00286), closes #9762
  • shared: handle Map with symbol keys in toDisplayString (#9731) (364821d), closes #9727
  • shared: handle more Symbol cases in toDisplayString (983d45d)
  • Suspense: properly get anchor when mount fallback vnode (#9770) (b700328), closes #9769
  • types: ref() return type should not be any when initial value is any (#9768) (cdac121)
  • watch: should not fire pre watcher on child component unmount (#7181) (6784f0b), closes #7030

3.4.0-alpha.4 (2023-12-04)

Bug Fixes

  • compiler-core: fix referencing typo (#9708) (3071de4)
  • parser: fix interpolation parsing in v-pre (53aaa1e)
  • parser: properly set initial inXML state based on root ns (47ea285)
  • parser: should reset inRCDATA state (ef97e8b)

Features

  • compiler-core: support accessing Error as global in template expressions (#7018) (bcca475)
  • compiler-sfc: analyze import usage in template via AST (#9729) (e8bbc94), closes #8897 nuxt/nuxt#22416
  • compiler-sfc: bump postcss-modules to v6 (2a507e3)
  • compiler: lift vnode hooks deprecation warning to error (8abc754)
  • use enum to replace const enum (#9261) (fff7b86), closes #1228

3.3.10 (2023-12-04)

Bug Fixes

  • app: prevent template from being cached between apps with different options (#9724) (ec71585), closes #9618
  • compiler-sfc: avoid passing forEach index to genMap (f12db7f)
  • compiler-sfc: deindent pug/jade templates (6345197), closes #3231 #3842 #7723
  • compiler-sfc: fix :where and :is selector in scoped mode with multiple selectors (#9735) (c3e2c55), closes #9707
  • compiler-sfc: generate more treeshaking friendly code (#9507) (8d74ca0), closes #9500
  • compiler-sfc: support inferring generic types (#8511) (eb5e307), closes #8482
  • compiler-sfc: support resolving components from props (#8785) (7cbcee3)
  • compiler-sfc: throw error when failing to load TS during type resolution (#8883) (4936d2e)
  • cssVars: cssVar names should be double-escaped when generating code for ssr (#8824) (5199a12), closes #7823
  • deps: update compiler to ^7.23.4 (#9681) (31f6ebc)
  • runtime-core: Suspense get anchor properly in Transition (#9309) (65f3fe2), closes #8105
  • runtime-dom: set width/height with units as attribute (#8781) (bfc1838)
  • ssr: avoid computed being accidentally cached before server render (#9688) (30d5d93), closes #5300
  • types: expose emits as props in functional components (#9234) (887e54c)
  • types: fix reactive collection types (#8960) (ad27473), closes #8904
  • types: improve return type withKeys and withModifiers (#9734) (43c3cfd)

Performance Improvements

  • optimize on* prop check (38aaa8c)
  • runtime-dom: cache modifier wrapper functions (da4a4fb), closes #8882
  • v-on: constant handlers with modifiers should not be treated as dynamic (4d94ebf)

3.4.0-alpha.3 (2023-11-28)

Bug Fixes

  • deps: update compiler to ^7.23.4 (#9681) (31f6ebc)
  • parser: directive arg should be undefined on shorthands with no arg (e49dffc)

Features

3.4.0-alpha.2 (2023-11-27)

Bug Fixes

  • avoid confusing breakage in @vitejs/plugin-vue (ceec69c)

  • compiler-core: fix line/column tracking when fast forwarding (2e65ea4)

  • compiler-sfc: fix ast reuse for ssr (fb619cf)

  • compiler-sfc: support :is and :where selector in scoped css rewrite (#8929) (c6083dc)

  • compiler-sfc: use correct compiler when re-parsing in ssr mode (678378a)

  • feat!: remove reactivity transform (#9321) (79b8a09), closes #9321

Features

  • compiler-core: support specifying root namespace when parsing (40f72d5)
  • compiler-core: support v-bind shorthand for key and value with the same name (#9451) (26399aa)
  • compiler: improve parsing tolerance for language-tools (41ff68e)
  • reactivity: expose last result for computed getter (#9497) (48b47a1)

Performance Improvements

  • avoid sfc source map unnecessary serialization and parsing (f15d2f6)
  • codegen: optimize line / column calculation during codegen (3be53d9)
  • codegen: optimize source map generation (c11002f)
  • compiler-sfc: remove magic-string trim on script (e8e3ec6)
  • compiler-sfc: use faster source map addMapping (50cde7c)
  • optimize away isBuiltInType (66c0ed0)
  • optimize makeMap (ae6fba9)
  • optimize position cloning (2073236)

BREAKING CHANGES

  • Reactivity Transform was marked deprecated in 3.3 and is now removed in 3.4. This change does not require a major due to the feature being experimental. Users who wish to continue using the feature can do so via the external plugin at https://vue-macros.dev/features/reactivity-transform.html

3.3.9 (2023-11-25)

Bug Fixes

  • compiler-core: avoid rewriting scope variables in inline for loops (#7245) (a2d810e), closes #7238
  • compiler-core: fix resolveParserPlugins decorators check (#9566) (9d0eba9), closes #9560
  • compiler-sfc: consistently escape type-only prop names (#8654) (3e08d24), closes #8635 #8910 vitejs/vite-plugin-vue#184
  • compiler-sfc: malformed filename on windows using path.posix.join() (#9478) (f18a174), closes #8671 #9583 #9446 #9473
  • compiler-sfc: support :is and :where selector in scoped css rewrite (#8929) (3227e50)
  • compiler-sfc: support resolve extends interface for defineEmits (#8470) (9e1b74b), closes #8465
  • hmr/transition: fix kept-alive component inside transition disappearing after hmr (#7126) (d11e978), closes #7121
  • hydration: force hydration for v-bind with .prop modifier (364f319), closes #7490
  • hydration: properly hydrate indeterminate prop (34b5a5d), closes #7476
  • reactivity: clear method on readonly collections should return undefined (#7316) (657476d)
  • reactivity: onCleanup also needs to be cleaned (#8655) (73fd810), closes #5151 #7695
  • ssr: hydration __vnode missing for devtools (#9328) (5156ac5)
  • types: allow falsy value types in StyleValue (#7954) (17aa92b), closes #7955
  • types: defineCustomElement using defineComponent return type with emits (#7937) (5d932a8), closes #7782
  • types: fix unref and toValue when input union type contains ComputedRef (#8748) (176d476), closes #8747 #8857
  • types: fix instance type when props type is incompatible with setup returned type (#7338) (0e1e8f9), closes #5885
  • types: fix shallowRef return type with union value type (#7853) (7c44800), closes #7852
  • types: more precise types for class bindings (#8012) (46e3374)
  • types: remove optional properties from defineProps return type (#6421) (94c049d), closes #6420
  • types: return type of withDefaults should be readonly (#8601) (f15debc)
  • types: revert class type restrictions (5d077c8), closes #8012
  • types: update jsx type definitions (#8607) (58e2a94)
  • types: widen ClassValue type (2424013)
  • v-model: avoid overwriting number input with same value (#7004) (40f4b77), closes #7003
  • v-model: unnecessary value binding error should apply to dynamic instead of static binding (2859b65), closes #3596

3.3.8 (2023-11-06)

Bug Fixes

  • compile-sfc: support Error type in defineProps (#5955) (a989345)
  • compiler-core: known global should be shadowed by local variables in expression rewrite (#9492) (a75d1c5), closes #9482
  • compiler-sfc: fix dynamic directive arguments usage check for slots (#9495) (b39fa1f), closes #9493
  • deps: update dependency @vue/repl to ^2.6.2 (#9536) (5cef325)
  • deps: update dependency @vue/repl to ^2.6.3 (#9540) (176d590)
  • hydration: fix tagName access error on comment/text node hydration mismatch (dd8a0cf), closes #9531
  • types: avoid exposing lru-cache types in generated dts (462aeb3), closes #9521
  • warn: avoid warning on empty children with Suspense (#3962) (405f345)

3.4.0-alpha.1 (2023-10-28)

Features

Previous Changelogs

3.3.x (2023-02-05 - 2023-12-29)

See 3.3 changelog

3.2.x (2021-07-16 - 2023-02-02)

See 3.2 changelog

3.1.x (2021-05-08 - 2021-07-16)

See 3.1 changelog

3.0.x (2019-12-20 - 2021-04-01)

See 3.0 changelog