•Fixed a bug preventing damage numbers from being displayed if a monster was affected by a spell such as Hex
Sounds like you misunderstood something which has since been fixed anyway?
Nice they fixed the bug. Dmg number was not the real issue.
Cm wiz in the past could not proc cm or apoc from hexed mobs, which was a big headache for cm wiz in uber fight. Nowadays, players dont' feel it because SB is not permafreezable after patch 1.07. so doesn't matter whether you can proc from zk or not, it will pick up some players periodically. But back in 105 and 106, once wd hexed ZK, SB was more likely to break freeze since the cm proc was cut in half.
Anyway, I still think hex won't help much on uber fight as it only hex ZK and the killing time is dependent on SB.
From a cm wiz perspective, the best way will be simultaneous kill of both bosses. It is a lot easier to freeze two ubers than single target.
But if the rules are one build for all fights (ubers, azmodan, belial, etc) then we should actually test whether hex or MC is better.