# Next.js v16.3.1-canary.19

- Product: Next.js (https://whatsnew.fyi/product/next-js)
- Vendor: Vercel
- Date: 2026-08-14
- Version: v16.3.1-canary.19
- Original notes: https://github.com/vercel/next.js/releases/tag/v16.3.1-canary.19
- Permalink: https://whatsnew.fyi/product/next-js/releases/v16.3.1-canary.19
- Labels: Pre-release

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **changed** — Adopt SelectedMetadata for metadata rendering
- **fixed** — Reject empty image on read/write to disk cache in next/image
- **fixed** — Remove stale manifests for deleted routes in Turbopack
- **changed** — Make unreachable codegen more generic in Turbopack

###### Misc Changes

- Adopt SelectedMetadata for metadata rendering: #97387
- fix(next/image): reject empty image on read/write to disk cache : #97278
- Turbopack: remove stale manifests for deleted routes: #97333
- Turbopack: make unreachable codegen more generic: #97385

###### Credits 

Huge thanks to @gnoff, @styfle, @marcoshernanz, and @mischnic for helping!