- Added route‑rule layout support (appLayout) and layout‑props via setPageLayout, plus new server alias and draggable error overlay
- Enabled ISR/SWR payload extraction (including dev mode) and async plugin constructors; allow disabling modules in layers
- Performance boosts (hook filters, SSR styles optimization, route‑rules compilation, inline styles for webpack/rspack) and deprecated statusCode/statusMessage properties
v3.21.0
Official Nuxt changelog summary with source attribution, release tags, and community reactions.
Track this Nuxt release note alongside related changelog updates, risky changes, and weekly digest signals from the developer community.
Verify the original release note
Every summary should remain traceable to the original changelog or release source.
Follow this in context
Turn this Nuxt release note into a weekly digest for the tools you actually use.
Create digestMore Nuxt changelog updates
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.