The last few .NET updates have been pretty much effortless updates for us. These are internal web apps and not using really esoteric C# features but that probably describes a reasonably large percentage of enterprise .NET adoption.
The only breaking change for us was how .NET 7 introduced [FromServices] which causes controller methods to use dependency injection for attributeless parameters. Confused me at first since it was a rather subtle update that didn't break anything until runtime.
