Maybe all the dependable beta testers who would report bugs had already left to Linux or BSD.
Or like the other commenter replied here suggests,
Maybe dependable beta testers who would report bugs had too steep a workload they gave up and moved to Linux or BSD.
Trainguyrom@reddthat.com 13 hours ago
I mean they pretty famously laid off the majority of their QA teams around the time of the Windows 10 rollout