- Performance improvements across the kit, webpack, Vite, and Nuxt core (layer deduplication, fewer asset map iterations, faster config resolution).
- Bug fixes and stability tweaks such as correcting onNuxtReady callback, schema type handling, payload reactivity, runtimeConfig warnings, and route metadata handling.
- Documentation and type updates including bridge migration warnings, new clear() function docs, error handling guidance, and extra type definitions.
v3.12.2
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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.