Dear Auth0 Team,
I wanted to take a moment to express my deep frustration with the Next.js SDK v4 migration. In my 15 years as a developer, this has been one of the most frustrating and poorly handled SDK upgrades I have encountered.
We spent days configuring Auth0 to fit our use case, working through undocumented edge cases to get everything running correctly. Now, with v4, those configurations have been rendered obsolete, and our application is breaking in multiple critical areas.
The migration guide is superficial at best, addressing only a fraction of the challenges this update introduces. Instead of improving the developer experience, this release has created unnecessary complexity and disruption. Given this experience, I can no longer justify using or recommending Auth0 as an authentication provider.
I sincerely hope your team takes this feedback seriously and prioritizes a more thoughtful approach to future migrations.