using-cache-directive
Next.js 16 Caching with 'use cache' Directive
Paradigm Shift: Dynamic by Default
For understanding how caching interacts with Server Components and their rendering lifecycle, use the REACT-COMPONENTS-server-components skill from the react-19 plugin.
Next.js 16 introduces a fundamental change in how caching works:
Next.js 15 and Earlier:
- Everything cached by default
- Opt-out with
dynamic = 'force-dynamic',no-store, or revalidate - Complex mental model with surprising behaviors
Next.js 16:
- Everything dynamic by default
- Opt-in to caching with
'use cache'directive - Explicit and predictable caching behavior
This is the most significant paradigm shift in Next.js 16 and affects every application.
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