Next.js 16.4 Self Hosting and Cache Components: An Upgrade Checklist You Can Run Before Production
Next.js 16.4 made Cache Components the recommended path and switched them on by default for every new create-next-app project. Your existing app did not get that switch. That gap between what a fresh
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Rishabh Mishra
Cloud FullStack Developer & Design Engineer.
The rollback rehearsal is the gate I would not skip. Deploying, smoking, rolling back, and smoking again in staging is what makes a version upgrade boring in production.