@Sunshine I did receive an email from TP-Link Support indicating I would be contacted by a senior engineer. Is that what you meant? Or should I expect further contact in other inbox? Thanks.

@ArcherC8 I attempted a downgrade, but lost all connectivity until I put the latest in again. Is there some special method to downgrade that keeps my settings abd continues to work?

@Sunshine Thanks for your reply. It's only some of the devices - most frequently the xbox and roku. Both wired. So maybe it's just those ports? This has happened only once on a single wireless device...

I downloaded this and installed it. There are frequent disconnects that require the router to be rebooted. It'd be nice to have a fixed version of the latest firmware.