|
| 1 | +## [3.4.2](https://github.com/vuejs/core/compare/v3.4.1...v3.4.2) (2023-12-30) |
| 2 | + |
| 3 | + |
| 4 | +### Bug Fixes |
| 5 | + |
| 6 | +* **compiler-sfc:** fix dev regression for dot / namespace component usage ([dce99c1](https://github.com/vuejs/core/commit/dce99c12df981ca45a4d848c37ba8b16496025f0)), closes [#9947](https://github.com/vuejs/core/issues/9947) |
| 7 | +* **runtime-core:** support deep: false when watch reactive ([#9928](https://github.com/vuejs/core/issues/9928)) ([4f703d1](https://github.com/vuejs/core/commit/4f703d120d76d711084346f73ea295c73e6ef6b6)), closes [#9916](https://github.com/vuejs/core/issues/9916) |
| 8 | +* **ssr:** fix hydration error for slot outlet inside transition-group ([#9937](https://github.com/vuejs/core/issues/9937)) ([6cb00ed](https://github.com/vuejs/core/commit/6cb00ed0f9b64428ec18fada0f68467d6a813fde)), closes [#9933](https://github.com/vuejs/core/issues/9933) |
| 9 | + |
| 10 | + |
| 11 | + |
| 12 | +## [3.4.1](https://github.com/vuejs/core/compare/v3.4.0...v3.4.1) (2023-12-30) |
| 13 | + |
| 14 | + |
| 15 | +### Bug Fixes |
| 16 | + |
| 17 | +* **compat:** correct enum value for COMPILER_FILTERS feature ([#9875](https://github.com/vuejs/core/issues/9875)) ([77d33e2](https://github.com/vuejs/core/commit/77d33e263cf19983caf4e5c53a0eb0bee374843c)) |
| 18 | +* **defineModel:** always default modifiers to empty object ([9bc3c7e](https://github.com/vuejs/core/commit/9bc3c7e29cf15f5ca96703542d10cfd786a3fc55)), closes [#9945](https://github.com/vuejs/core/issues/9945) |
| 19 | +* **defineModel:** support local mutation when only prop but no listener is passed ([97ce041](https://github.com/vuejs/core/commit/97ce041910b6ca4bef10f939493d6b5a06ea5b07)) |
| 20 | +* **types:** fix defineModel watch type error ([#9942](https://github.com/vuejs/core/issues/9942)) ([4af8583](https://github.com/vuejs/core/commit/4af85835f7e593a7dffa7dc7e99f14877eb70fd1)), closes [#9939](https://github.com/vuejs/core/issues/9939) |
| 21 | + |
| 22 | + |
| 23 | +### Features |
| 24 | + |
| 25 | +* **compiler-sfc:** support passing template parsing options when parsing sfc ([6fab855](https://github.com/vuejs/core/commit/6fab8551e4aeef4610987640de8b435b1ae321bb)) (necessary to fix https://github.com/vitejs/vite-plugin-vue/issues/322) |
| 26 | + |
| 27 | + |
| 28 | + |
| 29 | +# [3.4.0 Slam Dunk](https://github.com/vuejs/core/compare/v3.4.0-rc.3...v3.4.0) (2023-12-29) |
| 30 | + |
| 31 | +> Read [this blog post](https://blog.vuejs.org/posts/vue-3-4) for an overview of the release highlights. |
| 32 | +
|
| 33 | +### Potential Actions Needed |
| 34 | + |
| 35 | +1. To fully leverage new features in 3.4, it is recommended to also update the following dependencies when upgrading to 3.4: |
| 36 | + |
| 37 | + - Volar / vue-tsc@^1.8.27 (**required**) |
| 38 | + - @vitejs/plugin-vue@^5.0.0 (if using Vite) |
| 39 | + - nuxt@^3.9.0 (if using Nuxt) |
| 40 | + - vue-loader@^17.4.0 (if using webpack or vue-cli) |
| 41 | + |
| 42 | +2. If using TSX with Vue, check actions needed in [Removed: Global JSX Namespace](https://blog.vuejs.org/posts/vue-3-4#global-jsx-namespace). |
| 43 | + |
| 44 | +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](https://blog.vuejs.org/posts/vue-3-4#other-removed-features). |
| 45 | + |
| 46 | +### Features |
| 47 | + |
| 48 | +* **general:** MathML support ([#7836](https://github.com/vuejs/core/issues/7836)) ([d42b6ba](https://github.com/vuejs/core/commit/d42b6ba3f530746eb1221eb7a4be0f44eb56f7d3)), closes [#7820](https://github.com/vuejs/core/issues/7820) |
| 49 | +* **reactivity:** more efficient reactivity system ([#5912](https://github.com/vuejs/core/issues/5912)) ([16e06ca](https://github.com/vuejs/core/commit/16e06ca08f5a1e2af3fc7fb35de153dbe0c3087d)), closes [#311](https://github.com/vuejs/core/issues/311) [#1811](https://github.com/vuejs/core/issues/1811) [#6018](https://github.com/vuejs/core/issues/6018) [#7160](https://github.com/vuejs/core/issues/7160) [#8714](https://github.com/vuejs/core/issues/8714) [#9149](https://github.com/vuejs/core/issues/9149) [#9419](https://github.com/vuejs/core/issues/9419) [#9464](https://github.com/vuejs/core/issues/9464) |
| 50 | +* **reactivity:** expose last result for computed getter ([#9497](https://github.com/vuejs/core/issues/9497)) ([48b47a1](https://github.com/vuejs/core/commit/48b47a1ab63577e2dbd91947eea544e3ef185b85)) |
| 51 | +* **runtime-core / dx:** link errors to docs in prod build ([#9165](https://github.com/vuejs/core/issues/9165)) ([9f8ba98](https://github.com/vuejs/core/commit/9f8ba9821fe166f77e63fa940e9e7e13ec3344fa)) |
| 52 | +* **runtime-core:** add `once` option to watch ([#9034](https://github.com/vuejs/core/issues/9034)) ([a645e7a](https://github.com/vuejs/core/commit/a645e7aa51006516ba668b3a4365d296eb92ee7d)) |
| 53 | +* **runtime-core:** provide full props to props validator functions ([#3258](https://github.com/vuejs/core/issues/3258)) ([8e27692](https://github.com/vuejs/core/commit/8e27692029a4645cd54287f776c0420f2b82740b)) |
| 54 | +* **compiler-core:** export error message ([#8729](https://github.com/vuejs/core/issues/8729)) ([f7e80ee](https://github.com/vuejs/core/commit/f7e80ee4a065a9eaba98720abf415d9e87756cbd)) |
| 55 | +* **compiler-core:** support specifying root namespace when parsing ([40f72d5](https://github.com/vuejs/core/commit/40f72d5e50b389cb11b7ca13461aa2a75ddacdb4)) |
| 56 | +* **compiler-core:** support v-bind shorthand for key and value with the same name ([#9451](https://github.com/vuejs/core/issues/9451)) ([26399aa](https://github.com/vuejs/core/commit/26399aa6fac1596b294ffeba06bb498d86f5508c)) |
| 57 | +* **compiler-core:** improve parsing tolerance for language-tools ([41ff68e](https://github.com/vuejs/core/commit/41ff68ea579d933333392146625560359acb728a)) |
| 58 | +* **compiler-core:** support accessing Error as global in template expressions ([#7018](https://github.com/vuejs/core/issues/7018)) ([bcca475](https://github.com/vuejs/core/commit/bcca475dbc58d76434cd8120b94929758cee2825)) |
| 59 | +* **compiler-core:** lift vnode hooks deprecation warning to error ([8abc754](https://github.com/vuejs/core/commit/8abc754d5d86d9dfd5a7927b846f1a743f352364)) |
| 60 | +* **compiler-core:** export runtime error strings ([#9301](https://github.com/vuejs/core/issues/9301)) ([feb2f2e](https://github.com/vuejs/core/commit/feb2f2edce2d91218a5e9a52c81e322e4033296b)) |
| 61 | +* **compiler-core:** add current filename to TransformContext ([#8950](https://github.com/vuejs/core/issues/8950)) ([638f1ab](https://github.com/vuejs/core/commit/638f1abbb632000553e2b7d75e87c95d8ca192d6)) |
| 62 | +* **compiler-sfc:** analyze import usage in template via AST ([#9729](https://github.com/vuejs/core/issues/9729)) ([e8bbc94](https://github.com/vuejs/core/commit/e8bbc946cba6bf74c9da56f938b67d2a04c340ba)), closes [#8897](https://github.com/vuejs/core/issues/8897) [nuxt/nuxt#22416](https://github.com/nuxt/nuxt/issues/22416) |
| 63 | +* **compiler-sfc:** expose resolve type-based props and emits ([#8874](https://github.com/vuejs/core/issues/8874)) ([9e77580](https://github.com/vuejs/core/commit/9e77580c0c2f0d977bd0031a1d43cc334769d433)) |
| 64 | +* **compiler-sfc:** bump postcss-modules to v6 ([2a507e3](https://github.com/vuejs/core/commit/2a507e32f0e2ef73813705a568b8633f68bda7a9)) |
| 65 | +* **compiler-sfc:** promote defineModel stable ([#9598](https://github.com/vuejs/core/issues/9598)) ([ef688ba](https://github.com/vuejs/core/commit/ef688ba92bfccbc8b7ea3997eb297665d13e5249)) |
| 66 | +* **compiler-sfc:** support import attributes and `using` syntax ([#8786](https://github.com/vuejs/core/issues/8786)) ([5b2bd1d](https://github.com/vuejs/core/commit/5b2bd1df78e8ff524c3a184adaa284681aba6574)) |
| 67 | +* **compiler-sfc:** `defineModel` support local mutation by default, remove local option ([f74785b](https://github.com/vuejs/core/commit/f74785bc4ad351102dde17fdfd2c7276b823111f)), closes [/github.com/vuejs/rfcs/discussions/503#discussioncomment-7566278](https://github.com//github.com/vuejs/rfcs/discussions/503/issues/discussioncomment-7566278) |
| 68 | +* **ssr:** add `__VUE_PROD_HYDRATION_MISMATCH_DETAILS__` feature flag ([#9550](https://github.com/vuejs/core/issues/9550)) ([bc7698d](https://github.com/vuejs/core/commit/bc7698dbfed9b5327a93565f9df336ae5a94d605)) |
| 69 | +* **ssr:** improve ssr hydration mismatch checks ([#5953](https://github.com/vuejs/core/issues/5953)) ([2ffc1e8](https://github.com/vuejs/core/commit/2ffc1e8cfdc6ec9c45c4a4dd8e3081b2aa138f1e)), closes [#5063](https://github.com/vuejs/core/issues/5063) |
| 70 | +* **types:** use enum to replace const enum ([#9261](https://github.com/vuejs/core/issues/9261)) ([fff7b86](https://github.com/vuejs/core/commit/fff7b864f4292d0430ba2bda7098ad43876b0210)), closes [#1228](https://github.com/vuejs/core/issues/1228) |
| 71 | +* **types:** add emits and slots type to `FunctionalComponent` ([#8644](https://github.com/vuejs/core/issues/8644)) ([927ab17](https://github.com/vuejs/core/commit/927ab17cfc645e82d061fdf227c34689491268e1)) |
| 72 | +* **types:** export `AriaAttributes` type ([#8909](https://github.com/vuejs/core/issues/8909)) ([fd0b6ba](https://github.com/vuejs/core/commit/fd0b6ba01660499fa07b0cf360eefaac8cca8287)) |
| 73 | +* **types:** export `ObjectPlugin` and `FunctionPlugin` types ([#8946](https://github.com/vuejs/core/issues/8946)) ([fa4969e](https://github.com/vuejs/core/commit/fa4969e7a3aefa6863203f9294fc5e769ddf6d8f)), closes [#8577](https://github.com/vuejs/core/issues/8577) |
| 74 | +* **types:** expose `DefineProps` type ([096ba81](https://github.com/vuejs/core/commit/096ba81817b7da15f61bc55fc1a93f72ac9586e0)) |
| 75 | +* **types:** expose `PublicProps` type ([#2403](https://github.com/vuejs/core/issues/2403)) ([44135dc](https://github.com/vuejs/core/commit/44135dc95fb8fea26b84d1433839d28b8c21f708)) |
| 76 | +* **types:** improve event type inference when using `h` with native elements ([#9756](https://github.com/vuejs/core/issues/9756)) ([a625376](https://github.com/vuejs/core/commit/a625376ac8901eea81bf3c66cb531f2157f073ef)) |
| 77 | +* **types:** provide `ComponentInstance` type ([#5408](https://github.com/vuejs/core/issues/5408)) ([bfb8565](https://github.com/vuejs/core/commit/bfb856565d3105db4b18991ae9e404e7cc989b25)) |
| 78 | +* **types:** support passing generics when registering global directives ([#9660](https://github.com/vuejs/core/issues/9660)) ([a41409e](https://github.com/vuejs/core/commit/a41409ed02a8c7220e637f56caf6813edeb077f8)) |
| 79 | + |
| 80 | + |
| 81 | +### Performance Improvements |
| 82 | + |
| 83 | +* **compiler-sfc:** avoid sfc source map unnecessary serialization and parsing ([f15d2f6](https://github.com/vuejs/core/commit/f15d2f6cf69c0c39f8dfb5c33122790c68bf92e2)) |
| 84 | +* **compiler-sfc:** remove magic-string trim on script ([e8e3ec6](https://github.com/vuejs/core/commit/e8e3ec6ca7392e43975c75b56eaaa711d5ea9410)) |
| 85 | +* **compiler-sfc:** use faster source map addMapping ([50cde7c](https://github.com/vuejs/core/commit/50cde7cfbcc49022ba88f5f69fa9b930b483c282)) |
| 86 | +* **compiler-core:** optimize away isBuiltInType ([66c0ed0](https://github.com/vuejs/core/commit/66c0ed0a3c1c6f37dafc6b1c52b75c6bf60e3136)) |
| 87 | +* **compiler-core:** optimize position cloning ([2073236](https://github.com/vuejs/core/commit/20732366b9b3530d33b842cf1fc985919afb9317)) |
| 88 | +* **codegen:** optimize line / column calculation during codegen ([3be53d9](https://github.com/vuejs/core/commit/3be53d9b974dae1a10eb795cade71ae765e17574)) |
| 89 | +* **codegen:** optimize source map generation ([c11002f](https://github.com/vuejs/core/commit/c11002f16afd243a2b15b546816e73882eea9e4d)) |
| 90 | +* **shared:** optimize makeMap ([ae6fba9](https://github.com/vuejs/core/commit/ae6fba94954bac6430902f77b0d1113a98a75b18)) |
| 91 | + |
| 92 | + |
| 93 | +### BREAKING CHANGES |
| 94 | + |
| 95 | +#### Global JSX Registration Removed |
| 96 | + |
| 97 | +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. |
| 98 | + |
| 99 | +If you are using TSX, there are two options: |
| 100 | + |
| 101 | +1. Explicitly set [jsxImportSource](https://www.typescriptlang.org/tsconfig#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. |
| 102 | + |
| 103 | +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. |
| 104 | + |
| 105 | +Note that this is a type-only breaking change in a minor release, which adheres to our [release policy](https://vuejs.org/about/releases.html#semantic-versioning-edge-cases). |
| 106 | + |
| 107 | +#### Deprecated Features Removed |
| 108 | + |
| 109 | +- [Reactivity Transform](https://vuejs.org/guide/extras/reactivity-transform.html) 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](https://vue-macros.dev/features/reactivity-transform.html). |
| 110 | +- `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. |
| 111 | +- `@vnodeXXX` event listeners in templates are now a compiler error instead of a deprecation warning. Use `@vue:XXX` listeners instead. |
| 112 | +- `v-is` directive has been removed. It was deprecated in 3.3. Use the [`is` attribute with `vue:` prefix](https://vuejs.org/api/built-in-special-attributes.html#is) instead. |
| 113 | + |
1 | 114 | # [3.4.0-rc.3](https://github.com/vuejs/core/compare/v3.4.0-rc.2...v3.4.0-rc.3) (2023-12-27)
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