As the US Forums are also posting about it:
It seems that 10.2.5 of the Mac client is currently breaking UI addons like Tukui and Elvui. DBM is still working but I get massive errors and my action bar is broken. The ones providing the addons have tried to update it but it seems the problem lies in the Mac client.
I’m on Windows and my ElvUI was broken as well. Updated it, runs as well as before, so probs need updating.
Im on Windows- my addons weren’t broken as such, but they somehow all got disabled, quite a pita to go back through and reconfigure all of them
that is because those that made the addons havent updated them to the new patch yet so just wait for it to happen since blizzart havent anything to do with that 
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