Issues

isShallow() returns false for shallow collection proxies (shallowReactive(new Map()))

vuejs/core#15792 · opened

on Oct 6, 2026

Custom elements: async custom element removed while its component loads still mounts and throws `reading 'provides'`

vuejs/core#15775 · opened

on Oct 5, 2026

v-model restores the value from mount time when its input is updated before post-flush hooks run

vuejs/core#15774 · opened

on Oct 5, 2026

watch: getter source re-evaluation runs `onCleanup` / `onWatcherCleanup` even when the value is unchanged and `cb` is not called (3.6 regression)

vuejs/core#15765 · opened

on Oct 4, 2026

Vapor: a state change in onMounted during createVaporSSRApp hydration leaves a stale class on the previous v-for item

vuejs/core#15752 · opened

on Oct 2, 2026

compiler-sfc infers Object instead of Symbol for imported interfaces extending Symbol

vuejs/core#15740 · opened

on Oct 1, 2026

[vDOM] <Transition mode="out-in"> throws error on synchronous done() call in leave hook

vuejs/core#15727 · opened

on Sep 30, 2026

2

[Vapor] rc.10 hoists a repeated inline handler of an element with dynamic props into the render effect, so the handler runs on render

vuejs/core#15725 · opened

on Sep 30, 2026

compiler-core: v-memo + v-for cache guard is not parenthesised, so a ternary :key crashes at render

vuejs/core#15723 · opened

on Sep 30, 2026

Errors thrown in async setup are caught silently during SSR

vuejs/core#15716 · opened

on Sep 29, 2026

KeepAlive with max deactivates instead of unmounting the pruned current component when the render returned an already-mounted vnode (instance leaks)

vuejs/core#15710 · opened

on Sep 29, 2026

Iterating a reactive array makes spread, Array.from(array) and new Float32Array(array) 10–80× slower for the whole page

vuejs/core#15643 · opened

on Sep 25, 2026

Async component resolved under <Suspense> is mounted with the Suspense's namespace, so SVG children become HTML elements

vuejs/core#15639 · opened

on Sep 24, 2026

Component update is skipped when object v-bind changes keys and the new prop value is undefined

vuejs/core#15632 · opened

on Sep 24, 2026

defineModel with default function accessing destructured prop causes [PARSE_ERROR] Expected `,` or `)` but found `Identifier`

vuejs/core#15602 · opened

on Sep 22, 2026

Crash with slot + async component

vuejs/core#15551 · opened

on Sep 17, 2026

Node.normalize() removes Fragment text anchors and causes subsequent updates to fail

vuejs/core#15468 · opened

on Sep 9, 2026

1

Preserve values entered during hydration for all remaining eligible input types

vuejs/core#15210 · opened

on Aug 5, 2026

@vue/compiler-sfc: Partly unscoped styling with selector list & :deep & nesting

vuejs/core#15205 · opened

on Aug 3, 2026

2

Using v-for on an object with key/value, the key is typed as number

vuejs/core#14910 · opened

on Jun 3, 2026

6

`reactive` silently skips un-extensible objects, which seems undocumented and unnecessary

vuejs/core#14893 · opened

on May 30, 2026

1

[runtime-vapor] UI does not update correctly when reactive data changes

vuejs/core#14787 · opened

on May 7, 2026

4

Compiler errors out on complex types

vuejs/core#14728 · opened

on Apr 15, 2026

4

Second instance of a duplicate component VNode isn't rendered on the client-side when using SSR

vuejs/core#14635 · opened

on Mar 26, 2026

3

Export runtime-vapor to support unit-test for Vapor Mode

vuejs/core#14416 · opened

on Feb 5, 2026

5

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Issues

isShallow() returns false for shallow collection proxies (shallowReactive(new Map()))

Custom elements: async custom element removed while its component loads still mounts and throws `reading 'provides'`

v-model restores the value from mount time when its input is updated before post-flush hooks run

watch: getter source re-evaluation runs `onCleanup` / `onWatcherCleanup` even when the value is unchanged and `cb` is not called (3.6 regression)

Vapor: a state change in onMounted during createVaporSSRApp hydration leaves a stale class on the previous v-for item

compiler-sfc infers Object instead of Symbol for imported interfaces extending Symbol

[vDOM] <Transition mode="out-in"> throws error on synchronous done() call in leave hook

[Vapor] rc.10 hoists a repeated inline handler of an element with dynamic props into the render effect, so the handler runs on render

compiler-core: v-memo + v-for cache guard is not parenthesised, so a ternary :key crashes at render

Errors thrown in async setup are caught silently during SSR

KeepAlive with max deactivates instead of unmounting the pruned current component when the render returned an already-mounted vnode (instance leaks)

Iterating a reactive array makes spread, Array.from(array) and new Float32Array(array) 10–80× slower for the whole page

Async component resolved under <Suspense> is mounted with the Suspense's namespace, so SVG children become HTML elements

Component update is skipped when object v-bind changes keys and the new prop value is undefined

defineModel with default function accessing destructured prop causes [PARSE_ERROR] Expected `,` or `)` but found `Identifier`

Crash with slot + async component

Node.normalize() removes Fragment text anchors and causes subsequent updates to fail

Preserve values entered during hydration for all remaining eligible input types

@vue/compiler-sfc: Partly unscoped styling with selector list & :deep & nesting

Using v-for on an object with key/value, the key is typed as number

`reactive` silently skips un-extensible objects, which seems undocumented and unnecessary

[runtime-vapor] UI does not update correctly when reactive data changes

Compiler errors out on complex types

Second instance of a duplicate component VNode isn't rendered on the client-side when using SSR

Export runtime-vapor to support unit-test for Vapor Mode