[2020] Framerate drop during cross-play

I play on Switch and though I am sure the framerate isn't as high as other platforms it is high enough to not impede gameplay or be noticeable. When playing with my brother on PS4 (in the PS4/XboxOne servers presumably), I consistently experience a noticeable drop in framerate when even more than 3-4 players are fighting. I was playing Clash with him and noticed it about every match, I'll have to test and see whether it persists in BR. It's not a game-breaking drop in framerate, but it is enough to put me at an active disadvantage. It would suck to be dissuaded from playing with friends or people on other platforms so I am hoping this is optimized as much as possible in the future.