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wire 2026-09-05
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$ the-wire · showcase

Vitest Browser Mode config sharing fix lands in Vue Test Utils

By RepoJournal · Filed · About Vue.js

Vue Test Utils now shares a single configuration object across CJS and ESM builds, fixing integrations like vue-router-mock in Vitest Browser Mode without consumer workarounds.

Vue Test Utils' CJS and ESM builds could create separate configuration objects in the same JavaScript realm, making changes through one build invisible to the other. The fix shares configuration through a versioned global symbol, so all builds use the same state, fixing vue-router-mock in Vitest Browser Mode [1].

The same release brings corrected findComponent types for generic Single File Components [2]. Vue's `<script setup generic>` syntax exposes a generic call signature, so the type overloads fell through to a DOMWrapper; it now returns VueWrapper as expected, with regression coverage added [2].

On the Vapor side, hydration anchors are resolved by SSR fragment range [3], and type fixes refine native element refs, slot types, and the node type returned by defineComponent [4]. In VitePress, the theme decouples VPButton height from line-height [5].

Quick answers

What shipped in Vue.js on September 5, 2026?
Vue Test Utils now shares a single configuration object across CJS and ESM builds, fixing integrations like vue-router-mock in Vitest Browser Mode without consumer workarounds. In total, 14 commits, 5 pull requests, and 3 releases landed.
Who contributed to Vue.js on September 5, 2026?
6 developers shipped this update, including zhiyuanzmj, renovate, simonyang08, cexbrayat, dragomano, and Lazizbek Ergashev.
What were the notable Vue.js updates?
fix: share config across builds, Fix generic SFC findComponent types, and fix(runtime-vapor): resolve hydration anchors by SSR fragment range.