Issues

• KeepAlive deactivates its current child instead of unmounting it when unmounted after re-rendering under a pending ancestor Suspense (instance leaks)

  vuejs/core#15878 · Filter by author ddavid93 opened on Oct 14, 2026

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

  scope: sfc
  vuejs/core#15740 · Filter by author sabel8 opened on Oct 1, 2026

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

  🔩 p2-edge-case
  vuejs/core#15727 · Filter by author lucianofedericopereira opened on Sep 30, 2026
  2

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

  has workaround🔩 p2-edge-case
  vuejs/core#15468 · Filter by author eric-gitta-moore opened on Sep 9, 2026
  1

• Preserve values entered during hydration for all remaining eligible input types

  🔩 p2-edge-case
  vuejs/core#15210 · Filter by author DamianGlowala opened on Aug 5, 2026

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

  🔨 p3-minor-bughas workaroundscope: sfc
  vuejs/core#15205 · Filter by author stellar7073 opened on Aug 3, 2026
  2

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

  scope: playground
  vuejs/core#14910 · Filter by author mbergen opened on Jun 3, 2026
  6

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

  has workaround🔩 p2-edge-case
  vuejs/core#14893 · Filter by author edave64 opened on May 30, 2026
  1

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

  need discussionscope: vapor
  vuejs/core#14787 · Filter by author Kaidesuyoo opened on May 7, 2026
  4

• Compiler errors out on complex types

  scope: sfc
  vuejs/core#14728 · Filter by author cosmincartas opened on Apr 15, 2026
  4

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

  has workaround🔩 p2-edge-casescope: ssr
  vuejs/core#14635 · Filter by author cernymatej opened on Mar 26, 2026
  3

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

  need discussionscope: vapor
  vuejs/core#14416 · Filter by author zhiyuanzmj opened on Feb 5, 2026
  5

• Export named 'createVaporSSRApp' not found

  need discussion
  vuejs/core#14381 · Filter by author TiBianMod opened on Jan 31, 2026
  5

• [vue/compiler-sfc] parser plugin: "deferredImportEvaluation".

  ✨ feature request
  vuejs/core#14380 · Filter by author houd1ni opened on Jan 30, 2026
  6

• SSR: Hydration attribute mismatch in HTML on <img> with dynamic alt attribute

  need discussionscope:hydration
  vuejs/core#14370 · Filter by author mrleblanc101 opened on Jan 28, 2026
  8

• exactOptionalPropertyTypes breaks v-bind with defineProps in some cases

  scope: types
  vuejs/core#14366 · Filter by author DerZade opened on Jan 28, 2026
  2

• Typescript slow when using defineModel and defineEmits in the same file

  scope: types
  vuejs/core#14323 · Filter by author anexis-fabianamhof opened on Jan 15, 2026

• Slot Name Case Sensitivity Issue in DOM Templates（DOM 模板中插槽名称未转译）

  🔨 p3-minor-bughas workaround
  vuejs/core#14300 · Filter by author github-linong opened on Jan 8, 2026
  1

• Function expression containing any semicolon in event handler causes parsing error

  🔩 p2-edge-case
  vuejs/core#14287 · Filter by author auvred opened on Jan 6, 2026
  1

• watchEffect typing does not support async callback

  scope: types
  vuejs/core#14249 · Filter by author mitar opened on Dec 25, 2025
  4

• Invalid nullish value handling in patchDOMProp for custom elements.

  🔨 p3-minor-bughas workaround
  vuejs/core#14209 · Filter by author filimon-danopoulos-stratsys opened on Dec 16, 2025
  2

• CSS source maps do not work with defineCustomElement and customElement: true

  scope: custom elements✨ feature request
  vuejs/core#14181 · Filter by author Sanderovich opened on Dec 8, 2025
  1

• Transition completes too early when using browser animation tab

  🔩 p2-edge-casescope: transition
  vuejs/core#14112 · Filter by author AchoDev opened on Nov 18, 2025

• Compatibility issues of Vue 3 Options API with routing

  browser specific
  vuejs/core#14092 · Filter by author XuXYong opened on Nov 13, 2025
  3

• With the latest vitest, there is no way to ignore templates from .vue files

  need more info
  vuejs/core#14091 · Filter by author roshnimridha04 opened on Nov 13, 2025
  2