When is 6* Exec going to get a buff?

They way to play executor changes with each star you get. 6* can beat any other star level just fine. You just need to learn the new strategy for each star level you have.

I did the 1 refresh per month to get my executor, did a couple where I refreshed twice, so i finally reached 7* on the last run.

Every time I went up a star, I suddenly lost a bunch of matches on my arena climb. You have to adjust how you use the fleet every time.