I Turned On Cache Components in Next.js 16.3. It Refused to Build My Simplest Page.
I didn't want to write another "what's new in Next.js 16.3" post. Enough of those exist. I wanted to know what actually happens when you flip the flags on a real project, so I scaffolded a fresh app, turned on cacheComponents and partialPrefetching , and tried to build the simplest possible dynamic page. It didn't build. The setup Nothing fancy. Fresh create-next-app , Next.js 16.3.1, two flags…
We haven't written up this one. Dev.to has the full story — the link below goes straight to it.