The micro freezes have been reported by at least a dozen players in the forums, maybe more. A Scca pointed out LOTS of players have commented on it in the game. It seems to be mentioned by someone every few minutes in he game. Yet the only responses from tech support that I have seen suggests that a specific player update his sound card drivers and telling another how to address a variance delay.
There appears to be no ecognition that this is a general problem involving many players all with different operating systems, graphics and sound systems, etc. It's hard to believe that it's due in every case or even most case to some specific hardware or system configuration (e.g. outdated sound card drivers) issue. As has been pointed out, this was not an issue for so many in beta. Now it suddenly appears overnight at the same time for lots of players. I know I made no changes to my system and I doubt that most of the others seeing the issue did either. It's hard to accept that it's not an issue with the game itself.
I'm sorry to sound like a complainer Because I like AH3 and want to see it succeed.