Next.js 16.3 is really two upgrades. One is automatic: less dev memory, faster builds and better SSR. The other is opt-in: Instant Navigations + Partial Prefetching. We break down both and what to enable. shubhra.dev/blog/nextjs-...
shubhra.devNext.js 16.3 Packed Two Very Different Upgrades Into One Release. Most Devs Are Only Reading About One.Next.js 16.3 is more than a performance release. See what upgrades automatically, how Instant Navigations and Partial Prefetching work, and what changed for AI agents.
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