The only chaos occurred in the transition from .NET Framework to .NET (Core). Upgrading .NET versions is mostly painless now because the breaking changes tend to only affect very specific cases. Should take a few minutes to upgrade for most people.

Except it is a bummer when one happens to have such specific cases.

It never takes a few minutes in big corp, everything has to be validated, the CI/CD pipelines updated, and now with .NET 10, IT has to clear permission to install VS 2026.