I would say it is getting better and better!
This is what I'm thinking....
This would have been really suck, if AntMiner sat in the lab during this whole time, trying to perfect every aspect of it while it has ability to mine
these minor issues can be dealt with while we have our miners in hand, working for us!

After upgrading the firmware of my both AntMiners from the older version to Nov 29 version and running a 12 hours+ mining test on the new firmware, there is a significant amount of stales less:
