vuejs/core

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🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.

Stars: 54.4k
Forks: 9.2k
Open beginner issues: 0
Indexed issues: 546
Avg merge: 1d 5h
Merged PRs (30d): 140

Dominant language: TypeScript
License: MIT
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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546 open issues indexed

Crash with slot + async component Open

:hammer: p3-minor-bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

vuejs/core#15551 · Opened Sep 17, 2026
Node.normalize() removes Fragment text anchors and causes subsequent updates to fail Open

🔩 p2-edge-case has workaround

Difficulty 4/5 3-5 days Newbie friendliness 45/100

vuejs/core#15468 · 1 comment · Opened Sep 9, 2026
Preserve values entered during hydration for all remaining eligible input types Open

🔩 p2-edge-case

Difficulty 3/5 1-2 days Newbie friendliness 64/100

vuejs/core#15210 · 2 reactions · Opened Aug 5, 2026
@vue/compiler-sfc: Partly unscoped styling with selector list & :deep & nesting Open

:hammer: p3-minor-bug has workaround scope: sfc

Difficulty 3/5 1-2 days Newbie friendliness 68/100

vuejs/core#15205 · 2 comments · Opened Aug 3, 2026
Using v-for on an object with key/value, the key is typed as number Open

scope: playground

Difficulty 3/5 1-2 days Newbie friendliness 62/100

vuejs/core#14910 · 6 comments · Opened Jun 3, 2026
`reactive` silently skips un-extensible objects, which seems undocumented and unnecessary Open

🔩 p2-edge-case has workaround

Difficulty 4/5 3-5 days Newbie friendliness 52/100

vuejs/core#14893 · 1 comment · Opened May 30, 2026
[runtime-vapor] UI does not update correctly when reactive data changes Open

need discussion scope: vapor

Difficulty 3/5 1-2 days Newbie friendliness 30/100

vuejs/core#14787 · 4 comments · Opened May 7, 2026
Compiler errors out on complex types Open

scope: sfc

Difficulty 4/5 3-5 days Newbie friendliness 48/100

vuejs/core#14728 · 4 comments · 3 reactions · Opened Apr 15, 2026
Second instance of a duplicate component VNode isn't rendered on the client-side when using SSR Open

🔩 p2-edge-case has workaround scope: ssr

Difficulty 4/5 3-5 days Newbie friendliness 58/100

vuejs/core#14635 · 2 comments · Opened Mar 26, 2026
Export runtime-vapor to support unit-test for Vapor Mode Open

need discussion scope: vapor

Difficulty 3/5 1-2 days Newbie friendliness 65/100

vuejs/core#14416 · 5 comments · 9 reactions · Opened Feb 5, 2026
Export named 'createVaporSSRApp' not found Open

need discussion

Difficulty 3/5 1-2 days Newbie friendliness 45/100

vuejs/core#14381 · 4 comments · Opened Jan 31, 2026
[vue/compiler-sfc] parser plugin: "deferredImportEvaluation". Open

:sparkles: feature request

Difficulty 3/5 1-2 days Newbie friendliness 45/100

vuejs/core#14380 · 6 comments · Opened Jan 30, 2026
SSR: Hydration attribute mismatch in HTML on <img> with dynamic alt attribute Open

need discussion scope:hydration

Difficulty 4/5 3-5 days Newbie friendliness 52/100

vuejs/core#14370 · 8 comments · Opened Jan 28, 2026
exactOptionalPropertyTypes breaks v-bind with defineProps in some cases Open

scope: types

Difficulty 4/5 3-5 days Newbie friendliness 42/100

vuejs/core#14366 · 2 comments · Opened Jan 28, 2026
Typescript slow when using defineModel and defineEmits in the same file Open

scope: types

Difficulty 4/5 3-5 days Newbie friendliness 42/100

vuejs/core#14323 · 1 reaction · Opened Jan 15, 2026
Slot Name Case Sensitivity Issue in DOM Templates（DOM 模板中插槽名称未转译） Open

:hammer: p3-minor-bug has workaround

Difficulty 4/5 3-5 days Newbie friendliness 35/100

vuejs/core#14300 · 1 comment · 1 reaction · Opened Jan 8, 2026
Function expression containing any semicolon in event handler causes parsing error Open

🔩 p2-edge-case

Difficulty 3/5 1-2 days Newbie friendliness 65/100

vuejs/core#14287 · 1 comment · Opened Jan 6, 2026
watchEffect typing does not support async callback Open

scope: types

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

vuejs/core#14249 · 2 comments · 1 reaction · Opened Dec 25, 2025
Invalid nullish value handling in `patchDOMProp` for custom elements. Open

:hammer: p3-minor-bug has workaround

Difficulty 3/5 1-2 days Newbie friendliness 45/100

vuejs/core#14209 · 2 comments · 2 reactions · Opened Dec 16, 2025
CSS source maps do not work with defineCustomElement and customElement: true Open

:sparkles: feature request scope: custom elements

Difficulty 3/5 1-2 days Newbie friendliness 45/100

vuejs/core#14181 · 1 comment · Opened Dec 8, 2025
Transition completes too early when using browser animation tab Open

🔩 p2-edge-case scope: transition

Difficulty 3/5 1-2 days Newbie friendliness 45/100

vuejs/core#14112 · Opened Nov 18, 2025
Compatibility issues of Vue 3 Options API with routing Open

browser specific

Difficulty 4/5 3-5 days Newbie friendliness 25/100

vuejs/core#14092 · 3 comments · Opened Nov 13, 2025
With the latest vitest, there is no way to ignore templates from .vue files Open

need more info

Difficulty 4/5 3-5 days Newbie friendliness 30/100

vuejs/core#14091 · 2 comments · Opened Nov 13, 2025
Exposed properties are not settable Open

has workaround need discussion scope: custom elements

Difficulty 3/5 1-2 days Newbie friendliness 35/100

vuejs/core#14055 · 3 comments · 1 reaction · Opened Nov 5, 2025
Watch is triggered before other watches are registered Open

🔩 p2-edge-case has workaround

Difficulty 4/5 3-5 days Newbie friendliness 25/100

vuejs/core#14052 · 1 comment · Opened Nov 4, 2025
onErrorCaptured hook fails to capture instanceof error from child component Open

🔩 p2-edge-case

Difficulty 3/5 1-2 days Newbie friendliness 42/100

vuejs/core#14041 · Opened Oct 30, 2025
Function Refs Do Not Accept the Proper Parameter Types for HTMLElements Open

scope: types

Difficulty 3/5 1-2 days Newbie friendliness 45/100

vuejs/core#13969 · 1 reaction · Opened Oct 6, 2025
defineComponent (function syntax): exposed things loose typing and became any type Open

scope: types

Difficulty 4/5 3-5 days Newbie friendliness 45/100

vuejs/core#13965 · 2 comments · 2 reactions · Opened Oct 5, 2025
defineComponent (function syntax): optional props inferred as required Open

scope: types

Difficulty 4/5 3-5 days Newbie friendliness 35/100

vuejs/core#13964 · 3 comments · Opened Oct 5, 2025
Adding new dynamic named slot Open

:sparkles: feature request 🔩 p2-edge-case

Difficulty 4/5 3-5 days Newbie friendliness 38/100

vuejs/core#13960 · 6 comments · Opened Oct 2, 2025
Uncaught DOMException: Failed to execute 'setAttribute' on 'Element': '"' is not a valid attribute name. Open

🔩 p2-edge-case scope: compiler

Difficulty 4/5 3-5 days Newbie friendliness 35/100

vuejs/core#13944 · 6 comments · 1 reaction · Opened Sep 29, 2025
Types: defineEmits does not narrow type on typing Open

:cake: p2-nice-to-have scope: types

Difficulty 4/5 3-5 days Newbie friendliness 38/100

vuejs/core#13935 · Opened Sep 26, 2025
[script setup] Local variable/computed overrides prop in template with no error/warning Open

🔩 p2-edge-case scope: sfc

Difficulty 4/5 3-5 days Newbie friendliness 35/100

vuejs/core#13895 · 2 comments · Opened Sep 15, 2025
Edge Case: Directives in v-if with specific key (1) will not trigger mounted hook in v-else case with a diffrent Directive. Open

🔩 p2-edge-case scope: compiler

Difficulty 4/5 3-5 days Newbie friendliness 35/100

vuejs/core#13881 · 5 comments · Opened Sep 13, 2025
`toRef` and `computed` don't behave the same when used with a getter function Open

need discussion scope: reactivity

Difficulty 3/5 1-2 days Newbie friendliness 48/100

vuejs/core#13819 · 8 comments · Opened Aug 28, 2025
[@vue/reactivity] watch() doesn't accept TS generics Open

scope: types

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

vuejs/core#13807 · 3 reactions · Opened Aug 25, 2025
Boolean casting not working when using type-only props with generic components Open

has workaround scope: sfc

Difficulty 4/5 3-5 days Newbie friendliness 35/100

vuejs/core#13787 · 4 comments · Opened Aug 21, 2025
[Vapor]Unexpected data update Open

need guidance scope: vapor

Difficulty 3/5 1-2 days Newbie friendliness 55/100

vuejs/core#13784 · 8 comments · 5 reactions · Opened Aug 21, 2025
new customizable select elements not supported Open

:cake: p2-nice-to-have version: minor

Difficulty 3/5 1-2 days Newbie friendliness 30/100

vuejs/core#13778 · 6 comments · 2 reactions · Opened Aug 18, 2025
Parameters of type 'T' cannot be assigned to parameters of type 'UnwrapRefSimple<T>'. ts(2345) Open

scope: types

Difficulty 4/5 3-5 days Newbie friendliness 45/100

vuejs/core#13755 · 4 comments · 2 reactions · Opened Aug 13, 2025
the scoped style is not fully scoped Open

:hammer: p3-minor-bug scope: compiler

Difficulty 4/5 3-5 days Newbie friendliness 35/100

vuejs/core#13746 · 1 comment · Opened Aug 10, 2025
Custom element properties cannot be overridden Open

:hammer: p3-minor-bug scope: custom elements

Difficulty 4/5 3-5 days Newbie friendliness 45/100

vuejs/core#13706 · 4 comments · Opened Jul 26, 2025
Docs improvement: Clarify `watchEffect`'s watch list during conditional dependency access Open

need documentation

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

vuejs/core#13688 · 1 comment · Opened Jul 22, 2025
Vapor Roadmap Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

vuejs/core#13687 · 13 comments · 302 reactions · Opened Jul 22, 2025
New allowed HTML Tags as children for `<SELECT>` and `<OPTION>`, and `data-allow-mismatch` does not remove warning Open

:cake: p2-nice-to-have scope: compiler

Difficulty 3/5 1-2 days Newbie friendliness 35/100

vuejs/core#13608 · 2 comments · 1 reaction · Opened Jul 10, 2025
@vue/compiler-sfc unable to resolve external types in other vue components if using import map in package.json Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

vuejs/core#13586 · 9 comments · Opened Jul 7, 2025
Difficult to understand rendering logic Open

🔩 p2-edge-case

Difficulty 4/5 3-5 days Newbie friendliness 25/100

vuejs/core#13582 · 6 comments · Opened Jul 7, 2025
defineEmits and references in the template - either misleading TS or bug. Open

scope: types

Difficulty 4/5 3-5 days Newbie friendliness 42/100

vuejs/core#13554 · 1 comment · Opened Jul 2, 2025
Accessibility bug with VoiceOver involving slots and form fields Open

:lady_beetle: bug browser specific

Difficulty 4/5 3-5 days Newbie friendliness 35/100

vuejs/core#13553 · Opened Jul 1, 2025
`defineProps` & `ref` types mismatch Open

scope: types

Difficulty 3/5 1-2 days Newbie friendliness 42/100

vuejs/core#13552 · 2 comments · Opened Jul 1, 2025

vuejs/core

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