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defineProps runtime props inference misses Array from MaybeRef<T[]> in union type after upgrading to Vue 3.5.31

Status: Open.

#14729 In vuejs/core;

· wuchunxu opened on Apr 15, 2026

Compiler errors out on complex types

Status: Open.

#14728 In vuejs/core;

· cosmincartas opened on Apr 15, 2026

Quickly switch Transition

scope: transition

🔩 p2-edge-case

Status: Open.

#14727 In vuejs/core;

· jackma9604 opened on Apr 15, 2026

:deep within :is is not resolved when there is another selector

🔨 p3-minor-bugPriority 3: this fixes a bug, but is an edge case that only affects very specific usage.Priority 3: this fixes a bug, but is an edge case that only affects very specific usage.

Status: Open.

#14724 In vuejs/core;

· brc-dd opened on Apr 14, 2026

[Teleport] TypeError: Cannot read properties of null (reading 'subTree') during Suspense resolve — regression in 3.5.32

🔨 p3-minor-bugPriority 3: this fixes a bug, but is an edge case that only affects very specific usage.Priority 3: this fixes a bug, but is an edge case that only affects very specific usage.

scope: teleport

Status: Open.

#14701 In vuejs/core;

· lichunju1 opened on Apr 9, 2026

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

has workaroundA workaround has been found to avoid the problemA workaround has been found to avoid the problem

scope: ssr

🔩 p2-edge-case

Status: Open.

#14635 In vuejs/core;

· cernymatej opened on Mar 26, 2026

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

need discussion

scope: vaporrelated to vapor moderelated to vapor mode

Status: Open.

#14416 In vuejs/core;

· zhiyuanzmj opened on Feb 5, 2026

Preserve input values entered during hydration

🍰 p2-nice-to-havePriority 2: this is not breaking anything but nice to have it addressed.Priority 2: this is not breaking anything but nice to have it addressed.

scope:hydration

Status: Open.

#14403 In vuejs/core;

· DamianGlowala opened on Feb 2, 2026

Export named 'createVaporSSRApp' not found

need discussion

Status: Open.

#14381 In vuejs/core;

· TiBianMod opened on Jan 31, 2026

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

✨ feature requestNew feature or requestNew feature or request

Status: Open.

#14380 In vuejs/core;

· houd1ni opened on Jan 30, 2026

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

need discussion

scope:hydration

Status: Open.

#14370 In vuejs/core;

· mrleblanc101 opened on Jan 28, 2026

exactOptionalPropertyTypes breaks v-bind with defineProps in some cases

scope: types

Status: Open.

#14366 In vuejs/core;

· DerZade opened on Jan 28, 2026