# Next.js v16.3.1-canary.25

- Product: Next.js (https://whatsnew.fyi/product/next-js)
- Vendor: Vercel
- Date: 2026-08-19
- Version: v16.3.1-canary.25
- Original notes: https://github.com/vercel/next.js/releases/tag/v16.3.1-canary.25
- Permalink: https://whatsnew.fyi/product/next-js/releases/v16.3.1-canary.25
- 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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- **removed** — Remove unstable_eager
- **fixed** — Do not mark complete shell requests as partial
- **fixed** — Add accessible label to icon-only link
- **changed** — Move preview props into separate manifest
- **changed** — Allow TURBOPACK_PRINT_CHUNK_GROUPS in release builds
- **changed** — Implement cross-module constants in Turbopack
- **changed** — More aggressively debounce filesystem watch events if changes to node_modules are detected
- **fixed** — Fix use cache prerender signal retention

###### Misc Changes

- [PPF] Remove `unstable_eager`: #97524
- [PPF] Do not mark complete shell requests as partial: #97503
- fix: add accessible label to icon-only link: #96334
- Fix stale cross-references in skills/: #97566
- docs: generateMetadata values should be serializable with use cache: #97551
- Move preview props into separate manifest: #96004
- docs: adjust interactive app guide: #97558
- Turbopack: allow TURBOPACK_PRINT_CHUNK_GROUPS in release builds: #97515
- [test] Point next-image-legacy images at a reachable endpoint: #97545
- test: improve error-on-next-codemod-comment flakiness: #97553
- Turbopack: cross-module constants: #90300
- test: better isolate concurrent-install suite: #97546
- docs: outlining and lcp: #96942
- Fix use cache prerender signal retention: #97476
- Turbopack: More aggressively debounce filesystem watch events if we detected changes to node_modules: #96116
- docs: document metadata pagination field: #95509

###### Credits 

Huge thanks to @lubieowoce, @niketchandivade, @gaojude, @devjiwonchoi, @mischnic, @aurorascharff, @eps1lon, @icyJoseph, @gnoff, @bgw, and @biubiukam for helping!