They did remove it’s overall damage output and put more into FS. I can’t really tell you since Maelstrom is built around Static Strike (Lightning) so never relied on it anyway. But you should notice it affects mobs in a wider area.
Overall there seem to be some issues with this patch, i can’t really complaint about graphics and details since i already play with graphic quality and FPS that would give you eye cancer 
. But it did notice the difference against bosses due to lack of ADCtH. They did say they will be resolving some issues
-Mob OA on Ultimate being too high (http://www.grimdawn.com/forums/showpost.php?p=459358&postcount=15)
-Life Leech/ADCTH not functioning on bosses/heroes (http://www.grimdawn.com/forums/showpost.php?p=459095&postcount=97
So if any of those are your concerns, worry not. Crate is on it.[/QUOTE]
As he said, Crate is on it.
P.S
I wonder, the old players who have played through non-nerfed Ultimate in the earlier days. Was this how it was like? Where even trash mobs can hit you hard make you pay attention?