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The Wire · Showcase

LANGUAGE TOOLS TIGHTENS PROP VALIDATION, CREATE-VUE TOOLING GETS ROUTINE UPDATES

By RepoJournal · Filed · About Vue.js

Vue's language server now validates required fallthrough attributes, catching component contract violations that TypeScript alone would miss.

The language-tools team shipped two critical fixes that improve the developer experience in editors [1] [2]. First, fallthrough attribute checking now enforces that components passing required props actually provide them, solving a class of silent bugs where prop contracts were broken at the template level [1]. Second, the TypeScript plugin now writes its configuration at build time instead of runtime, eliminating a reliability issue that affected language server initialization [2]. Meanwhile, create-vue is cycling through routine dependency updates. Oxfmt bumped to 0.49.0 [3], oxlint hit 1.64.0 [4], and Clack prompts advanced to 1.4.0 [5] across the scaffolding tool's dependency tree. A pending Vite patch to 8.0.13 is also queued [6]. The language-tools fixes are the real story here; the create-vue updates are maintenance work that won't change how you scaffold projects.

Action items

References

  1. [1] feat(language-core): check required fallthrough attributes ↗ vuejs/language-tools
  2. [2] fix(vscode): write typescript plugins at build time ↗ vuejs/language-tools
  3. [3] chore(deps): update dependency oxfmt to ^0.49.0 ↗ vuejs/create-vue
  4. [4] chore(deps): update oxlint to ~1.64.0 ↗ vuejs/create-vue
  5. [5] chore(deps): update all non-major dependencies ↗ vuejs/create-vue
  6. [6] chore(deps): update dependency vite to ^8.0.13 ↗ vuejs/create-vue

FAQ

What changed in Vue.js on May 18, 2026?
Vue's language server now validates required fallthrough attributes, catching component contract violations that TypeScript alone would miss.
What should Vue.js teams do about it?
Update language-tools to latest; fallthrough validation catches real prop bugs • Review create-vue dependency bumps on next project generation
Which Vue.js repositories shipped on May 18, 2026?
vuejs/language-tools, vuejs/create-vue

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