Although .NET Framework 4.7.2 can look like a minor upgrade of 4.7.1, it is more than that, and comes with some oddities. Such as changes to EmailAddressAttribute validation.
Dealing with Umbraco sites crashing due to ThreadAbortException: instrumenting, debugging, and fixing!
Trying to put things in contexts: HttpContext, Call Context, Execution Context, Thread Context...
How would you troubleshoot potential deadlocks in Sql Server Compact 4.0?
When deep-debugging forces you to reconsider everything you knew about AppDomain isolation, threads, and culture.