Maybe this will finally be the wake-up call to Microsoft to not 'outsource' QA testing to "Insiders" and bring back a proper testing team? Doubtful...
The problem goes beyond QA testing, as there are several reports of this data loss problem on the Feedback Hub from Insiders dating back ~3 months.
Even Task Manager is broken in this release and they just decided to mark it as a "known issue" and ship anyway.
It seems like a cultural problem, and feels like people are given a list of tasks to complete for the next release, and so long as they do work which technically crosses those items off the list, it doesn't matter what else was broken along the way - just ship it and we'll maybe end up fixing it later.
What they really need to do is cut down the updates from two a year to one a year, like Apple does with macOS. For the first half of the year, they add new features and enhancements. The other half of the year, bug fixes and tweaks. But they probably won't do that, heh.
We could do with a few years of bug fixes only first.
They keep breaking more and more with every release now, and it's not like they're focused on UWP and making Windows a better platform while neglecting legacy software - their new software is just as bad, if not worse.
It's making me seriously consider switching away from using Windows as my primary OS now, and using it inside a VM where necessary.