Update supported features

Author: irvinebroque

pages/cloudflare/index.mdx

@@ -44,14 +44,15 @@ To help improve compatibility, we encourage you to [report bugs](https://github.
 - [x] [Dynamic routes](https://nextjs.org/docs/pages/building-your-application/routing/dynamic-routes)
 - [x] [Static Site Generation (SSG)](https://nextjs.org/docs/pages/building-your-application/rendering/static-site-generation)
 - [x] [Server-Side Rendering (SSR)](https://nextjs.org/docs/pages/building-your-application/rendering/server-side-rendering)
-- [x] [Incremental Static Regeneration (ISR)](https://nextjs.org/docs/pages/building-your-application/data-fetching/incremental-static-regeneration)
+- [x] [Incremental Static Regeneration<sup>1</sup> (ISR)](https://nextjs.org/docs/pages/building-your-application/data-fetching/incremental-static-regeneration)
+
+<sup>1</sup> "Manual" revalidation is not supported (i.e. [`revalidateTag()`](https://nextjs.org/docs/app/api-reference/functions/revalidateTag) or [`revalidatePath()`](https://nextjs.org/docs/app/api-reference/functions/revalidatePath))
 
 ### Not Yet Supported Next.js features
 
 - [ ] [Partial Prerendering (PPR)](https://nextjs.org/docs/app/building-your-application/rendering/partial-prerendering)
 - [ ] [Middleware](https://nextjs.org/docs/app/building-your-application/routing/middleware)
 - [ ] [Image optimization](https://nextjs.org/docs/pages/building-your-application/optimizing/images) (you can integrate Cloudflare Images with Next.js by following [this guide](https://developers.cloudflare.com/images/transform-images/integrate-with-frameworks/))
-- [ ] [NextAuth.js](https://next-auth.js.org)
 - [ ] [Experimental streaming support](https://nextjs.org/blog/next-15-rc#executing-code-after-a-response-with-nextafter-experimental)
 
 ### How @opennextjs/cloudflare Works