# Next.js v16.4.0-canary.10

- Product: Next.js (https://whatsnew.fyi/product/next-js)
- Vendor: Vercel
- Date: 2026-08-28
- Version: v16.4.0-canary.10
- Original notes: https://github.com/vercel/next.js/releases/tag/v16.4.0-canary.10
- Permalink: https://whatsnew.fyi/product/next-js/releases/v16.4.0-canary.10
- 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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- **added** — Add Cache Components option to create-next-app
- **added** — Support immutable static assets with `output: 'export'`
- **changed** — Upgrade Turbopack to hashbrown 0.15
- **changed** — Upgrade React from `f789f203-20260825` to `29d9d318-20260826`
- **changed** — Turbopack: shorten CSS module class names
- **changed** — Turbopack: widen the chunk ident hash from 7 to 13 base38 chars
- **changed** — Turbopack: allow compiling turbopack-node without a pool backend
- **fixed** — Prune incomplete parallel route matchers
- **fixed** — Omit undeclared children slots from app routes
- **fixed** — Fix request-context retention in the default use cache handler
- **fixed** — Retain interception route host slots
- **fixed** — Turbopack: don't replace single-arg calls with argument in analyzer
- **fixed** — Fix build error when aliasing `typescript` to `@typescript/typescript6`
- **fixed** — Turbopack: call loadActionManifest for app-route
- **deprecated** — Pages Router: Deprecate React 18 support

###### Misc Changes

- Upgrade Turbopack to hashbrown 0.15: #97808
- ci: skip framework tests for agent evals and skills: #97998
- Expand Turbopack dev cleanup: #97833
- Add Cache Components option to create-next-app: #97695
- Mark deploy release test skill as internal: #97961
- Turbopack: shorten CSS module class names: #97944
- Prune incomplete parallel route matchers: #97108
- Upgrade React from `f789f203-20260825` to `29d9d318-20260826`: #97995
- docs(skills): preserve prefetched UI during Partial Prefetching adoption: #97712
- Omit undeclared children slots from app routes: #97184
- Turbopack: widen the chunk ident hash from 7 to 13 base38 chars: #97945
- Fix request-context retention in the default use cache handler: #97941
- docs: improve discovery summaries: #97982
- test: add test for local font with deployment id: #97987
- Retain interception route host slots: #97242
- test: disable flaky sync-io-blocks-root.test.ts: #97986
- [test] Drain build output before start: #97947
- Expose durableUseCacheEntries config in workStore: #97926
- Pages Router: Deprecate React 18 support: #97689
- Turbopack: call loadActionManifest for app-route: #97921
- [test] Unpin Vercel CLI version: #97974
- Turbopack: don't replace single-arg calls with argument in analyzer: #95277
- Turbopack: allow compiling turbopack-node without a pool backend: #97943
- Support immutable static assets with `output: 'export'`: #97711
- Fix build error when aliasing `typescript` to `@typescript/typescript6`: #97942
- ci: remove pull_request_stats workflow: #97792

###### Credits 

Huge thanks to @lukesandberg, @aurorascharff, @wbinnssmith, @acdlite, @mlekhi, @mischnic, @gnoff, @sokra, @dacgray, @molebox, @styfle, @lubieowoce, and @timneutkens for helping!