Aspects massively nerfed (not in patchnotes)

Many appear to be significantly weaker for no reason. One glaring example is “Aspect of Explosive Mist”, which even with a huge duration of Blood Mist will only ever blow up a maximum of 3/4 corpses, even if there are 400 available, leading to a maximum cooldown reduction of 1.8-2.4 seconds, MASSIVELY decreased from the potentially full 23 second cooldown reduction of every other season…

that’s a huge, unannounced change to an aspect, and there are others. What gives? What’s with the secrecy and lack of info?