How do I use X in the app router?

How do I use X in the app router?

• next-auth: As of 23 May 2023 the documentation on how to use next-auth with the app router has been published, please go here to get started.

• tRPC: See this sample repo, but to be fair I don't recommend using tRPC with the app router.

• UI libraries: See this section in the documentation. For libraries that have a provider, this section might be relevant.