- Performance tweaks: start Vite warmups post‑Nitro build, reduce extra resolve calls, enforce explicit exports for kit/nuxt/schema/vite/webpack
- Numerous bug fixes including schema alias resolution, cookie header duplication, route meta merging, and template validation
- Documentation updates, deprecation of pending variable and related API, and added migration codemods
v3.12.4
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Fix island payload serialization for underscore keys and deduplicate island renders during prerender
Improved build and runtime performance with lazy imports, reused scans, and skipping unchanged files across Nuxt, Kit, and Vite.
Security release addressing server‑side RCE, unauthorized component instantiation, route rule authorization bypass, DoS, and dev server path disclosure, plus a regression fix from the prior advisory.