# Next.js v16.3.1-canary.14 - Product: Next.js (https://whatsnew.fyi/product/next-js) - Vendor: Vercel - Date: 2026-08-12 - Version: v16.3.1-canary.14 - Original notes: https://github.com/vercel/next.js/releases/tag/v16.3.1-canary.14 - Permalink: https://whatsnew.fyi/product/next-js/releases/v16.3.1-canary.14 - 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'. --- ###### Core Changes - Fix debug build paths Pages Router support entries: #93529 ###### Misc Changes - Restore the live `headers()` view of the incoming request: #97166 - [test] Compile the middleware redirect routes up front in dev: #97190 - Update gh-stack skill guidance: #97163 - [test] Unflake `use-cache-custom-handler-dev` tests: #97187 - Forward a build-container pin to deploy-test deployments: #97191 - Fix unset crossOrigin in Turbopack manifests: #97164 - Allow literal exports in `'use cache'` files: #97181 - Fix shared Turbopack runtime initialization race: #97215 - Fix stale data after navigation despite revalidation: #95439 - [turbopack] Only use the shared runtime by default on canary: #97208 ###### Credits Huge thanks to @unstubbable, @timneutkens, @Stanzilla, @gnoff, @gaearon, and @sampoder for helping!