- Add new kit features like an ignore option for resolveFiles, onInstall/onUpgrade hooks, experimental rolldown support, module dependency declarations, and a getLayerDirectories utility
- Improve performance by clearing inline route‑rules cache on page changes and stopping unnecessary app‑manifest watching, plus numerous bugfixes (e.g., handling satisfies, TS meta extraction, route‑meta merging, and server warnings)
- Refresh docs with sections on TS project‑reference augmentation, middleware guide, and testing setup, and update tests and CI workflows
v3.19.0
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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.