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Next.js 16 App Router Caching Changed — Here's What to Update in Your SaaS

A practical guide to Next.js 16 caching changes: what moved to opt-in, how 'use cache' works in production, and what SaaS teams should actually update.

Next.js Performance

Next.js 16 App Router Caching Changed

A practical guide to Next.js 16 caching changes: what moved to opt-in, how 'use cache' works in production, and what SaaS teams should actually update.

Topics Covered

What this breaks down

Key Next.js Performance concepts for founders shipping in 2026.

  • next.js 16
  • caching
  • app router
  • performance
Why It Matters

Speed compounds over time

A practical guide to Next.js 16 caching changes: what moved to opt-in, how 'use cache' works in production, and what SaaS teams should actually update.

The Takeaway

Read the full guide

A 10 min read with practical advice and real trade-offs for founders who want to ship without regret.

Next Step

Go deeper

Read the full article or book a 20-minute strategy call to apply this directly to your product.