Next.js: Cache Miss Fixes and Turbopack Slimdown
Cache Components navigation reliability dominates, with fixes for broken RSC navigations on cache misses in Next Start. Turbopack also gets leaner through smaller manifests, default garbage collection, and faster task storage.
Duration: PT2M43S
Episode overview
This episode is a short developer briefing from Next.js.
It explains recent repository work in plain language.
- Show: Next.js
- Published: 2026-11-14T14:09:35Z
- Audio duration: PT2M43S
Transcript excerpt
This excerpt keeps the crawler page concise. Listen to the episode or use the RSS feed for the full update.
Good morning, it's Saturday, November 14th, 2026 — this is your Next.js daily briefing.
The dominant pattern is hardening Cache Components for production cache misses, paired with a sustained push to make Turbopack builds smaller and faster.
First, navigation reliability. With Cache Components enabled, Next Start could serve a generic fallback shell to an R S C navigation when a build-time path was missing from the cache, triggering the React 412 crash behind issue 99861. PR 101357 fixes that miss scheduling for Next Start, building on two…
Second, Turbopack efficiency. PR 101312 rewrites client reference manifests to deduplicate chunk lists through shared tables and factories, sharply cutting disk size, evaluation time, and retained memory on large apps. That work pairs with enabling minify-before-chunking by default on canary in PR 101113 after…
Finally, small developer experience fixes: Next Dev now generates managed agent instructions with independent opt-outs in PR 101746, and PR 101737 corrects a false L C P warning for eager images sharing a URL with a lazy duplicate.
What's next: H T M L miss handling in Next Start remains open, alongside adapter updates to consume the new R…
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