# Next.js v16.3.1-canary.23

- Product: Next.js (https://whatsnew.fyi/product/next-js)
- Vendor: Vercel
- Date: 2026-08-18
- Version: v16.3.1-canary.23
- Original notes: https://github.com/vercel/next.js/releases/tag/v16.3.1-canary.23
- Permalink: https://whatsnew.fyi/product/next-js/releases/v16.3.1-canary.23
- 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** — Trace lazy App Route module loading

###### Misc Changes

- Trace lazy App Route module loading: #97439
- [ci] Wait for the `next` version to be available on npm before deploy tests: #97460
- docs: fix stale Dev Overlay README link in contributing guide: #97486
- docs: app router reference accuracy: #97477
- test: Don't wait trying to load non-existing images: #97488
- test: cover dynamic APIs with i18n base path: #97367

###### Credits 

Huge thanks to @DavidIlie, @eps1lon, @icyJoseph, and @mischnic for helping!