In my case, curiosity did not kill the cat!
I just had to have a go, although I am not , any longer, participating in the insider program.
. Made a fresh install, keeping my data., from an ISO.
It took a really long time, about 30 minutes at a guess.
End result was a trouble free OS (activated.).
A not very thorough search, did not show me any significant differences from my standard Windows 10 1803.
I think it is decision time for me. Nothing exciting on the horizon, so I will make every effort to stop anymore updates of any nature, including definitions. I'll grab a third party antivirus prog.
It seems a boring waste of time , waiting for the other shoe to drop with something innovative. It isn't going to happen.