Well, I've had one obvious bug with the AU that I've already posted about: losing the jump lists on the start menu, but other than that it's been fine.
I am not discounting the problems other people are encountering, but when you consider the amount of different types of hardware, and a lot of it not "certified for Windows 10 upgrade" by the respective manufacturers, that have been upgraded anyway you are bound to hit problems, and will hit more of them, as time goes on. Microsoft has certainly made a mess of certain things all by themselves, but some of the messes are the direct result of users going out on a limb, upgrading hardware that while it may have passed the screening checks, was not recommended for Windows 10 upgrade by the very company that made it. You really can't blame Microsoft, at least nowhere near 100%, for that and from what I've seen there's lots of that going on.
On the note of settings that are being taken away, so far if I've had any of these set to non-default state they've stayed in that state on upgrade even if I have no easy access to change that setting now other than a registry edit. Also, turning off the "Let apps use my advertising ID for experiences across apps (turning this off will reset your ID)," has been 100% effective for me in avoiding any ads within the Windows 10 environment itself since the first day I loaded Windows 10. I can't believe that this is a fluke. Microsoft does give you a way to ad block in the OS environment at the flip of a switch. The effort do do that one time, immediately after Windows 10 install/upgrade, is hardly onerous. I would hope that people make it a fairly standard practice, and before Windows 10, to do settings customization as part of their initial setup of their OS, regardless of the OS. There's not an OS maker out there who can magically select defaults to suit each and every user, and they shouldn't try.
Edited by britechguy, 09 August 2016 - 12:27 PM.