3.5.0 (2024-09-03)

Aggregated Features List for 3.5 (alpha to stable)

Reactivity

• reactivity: Refactor reactivity system to use version counting and doubly-linked list tracking (#10397) (05eb4e0)
• reactivity: Optimize array tracking (#9511) (70196a4)
• compiler-sfc: enable reactive props destructure by default (d2dac0e)
• reactivity: onEffectCleanup API (2cc5615), closes #10173
• reactivity: add failSilently argument for onScopeDispose (9a936aa)
• reactivity/watch: base watch, getCurrentWatcher, and onWatcherCleanup (#9927) (205e5b5)
• reactivity/watch: add pause/resume for ReactiveEffect, EffectScope, and WatchHandle (#9651) (267093c)
• watch: support passing number to deep option to control the watch depth (#9572) (22f7d96)
• types: export MultiWatchSources type (#9563) (998dca5)
• types: allow computed getter and setter types to be unrelated (#11472) (a01675e), closes #7271

SSR

• runtime-core: useId() and app.config.idPrefix (#11404) (73ef156)
• hydration: lazy hydration strategies for async components (#11458) (d14a11c)
• hydration: support suppressing hydration mismatch via data-allow-mismatch (94fb2b8)

Custom Element

• custom-element: useHost() helper (775103a)
• custom-element: useShadowRoot() helper (5a1a89b), closes #6113 #8195
• custom-element: expose this.$host in Options API (1ef8f46)
• custom-element: inject child components styles to custom element shadow root (#11517) (56c76a8), closes #4662 #7941 #7942
• custom-element: support configurable app instance in defineCustomElement (6758c3c), closes #4356 #4635
• custom-element: support css :host selector by applying css vars on host element (#8830) (03a9ea2), closes #8826
• custom-element: support emit with options (e181bff), closes #7605
• custom-element: support expose on customElement (#6256) (af838c1), closes #5540
• custom-element: support nonce option for injected style tags (bb4a02a), closes #6530
• custom-element: support passing custom-element-specific options via 2nd argument of defineCustomElement (60a88a2)
• custom-element: support shadowRoot: false in defineCustomElement() (37d2ce5), closes #4314 #4404

Teleport

• teleport: support deferred Teleport (#11387) (59a3e88), closes #2015 #11386
• teleport/transition: support directly nesting Teleport inside Transition (#6548) (0e6e3c7), closes #5836

Misc

• runtime-core: useTemplateRef() (3ba70e4)
• runtime-core: add app.onUnmount() for registering cleanup functions (#4619) (582a3a3), closes #4516
• runtime-core: add app.config.throwUnhandledErrorInProduction (f476b7f), closes #7876
• runtime-dom: Trusted Types compatibility (#10844) (6d4eb94)
• compiler-core: support Symbol global in template expressions (#9069) (a501a85)
• types: export more emit related types (#11017) (189573d)

• types: add loading prop to iframe (#11767) (d86fe0e)

Internals

• reactivity: store value cache on CustomRefs impls (#11539) (e044b6e)
• types: provide internal options for directly using user types in language tools (#10801) (75c8cf6)
• types: provide internal options for using refs type in language tools (#11492) (5ffd1a8)

Bug Fixes

• compiler-sfc: fix import usage check for kebab-case same name shorthand binding (0f7c0e5), closes #11745 #11754
• cssVars: correctly escape double quotes in SSR (#11784) (7b5b6e0), closes #11779
• deps: update dependency postcss to ^8.4.44 (#11774) (cb843e0)
• hydration: escape css var name to avoid mismatch (#11739) (ca12e77), closes #11735
• hydration: handle text nodes with 0 during hydration (#11772) (c756da2), closes #11771
• reactivity: correctly handle method calls on user-extended arrays (#11760) (9817c80), closes #11759
• runtime-dom: avoid unnecessary prop patch for checkbox (#11657) (c3ce9fe), closes #11647
• runtime-dom: prevent unnecessary DOM update from v-model (#11656) (b1be9bd), closes #11647
• server-renderer: Fix call to serverPrefetch in server renderer with an async setup (#10893) (6039e25)
• server-renderer: render className during SSR (#11722) (52cdb0f)
• types/defineModel: allow getter and setter types to be unrelated (#11699) (fe07f70), closes #11697

CHANGELOG