# Next.js v16.3.1-canary.20

- Product: Next.js (https://whatsnew.fyi/product/next-js)
- Vendor: Vercel
- Date: 2026-08-15
- Version: v16.3.1-canary.20
- Original notes: https://github.com/vercel/next.js/releases/tag/v16.3.1-canary.20
- Permalink: https://whatsnew.fyi/product/next-js/releases/v16.3.1-canary.20
- 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** — Wait for back-before-hydration recoveries in the browser
- **changed** — Extract metadata resolution primitives
- **changed** — Turbopack: retain conditions when replacing resolve request keys
- **removed** — Remove server route matcher stack

###### Misc Changes

- Wait for back-before-hydration recoveries in the browser: #97321
- Extract metadata resolution primitives: #97388
- test: update React 18 redbox snapshot: #97415
- Turbopack: retain conditions when replacing resolve request keys: #97372
- Remove server route matcher stack: #94157

###### Credits 

Huge thanks to @gaearon, @gnoff, @timneutkens, and @mischnic for helping!