# Next.js v16.4.0-canary.18

- Product: Next.js (https://whatsnew.fyi/product/next-js)
- Vendor: Vercel
- Date: 2026-09-04
- Version: v16.4.0-canary.18
- Original notes: https://github.com/vercel/next.js/releases/tag/v16.4.0-canary.18
- Permalink: https://whatsnew.fyi/product/next-js/releases/v16.4.0-canary.18
- 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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- **fixed** — fix source field in CSS sourcemaps in Turbopack
- **fixed** — track dynamic accesses in final runtime prerenders
- **added** — add API reference pages for skipProxyUrlNormalize and skipTrailingSlashRedirect

###### Misc Changes

- Turbopack: fix `source` field in CSS sourcemaps: #88225
- fix: track dynamic accesses in final runtime prerenders: #98255
- docs: add API reference pages for skipProxyUrlNormalize and skipTrailingSlashRedirect: #97967

###### Credits 

Huge thanks to @Xanaado, @lubieowoce, and @icyJoseph for helping!