Found a solution. I just reduced my atlas size.

The strange thing is that sometimes it didn't happen and wasn't happening before.

The drops would happen even at the main menu, before loading any map or anything.

Can you upload the save and any mod(s) you're using?
It happened even before ...

Hi.

I've been with a repetitive FPS and USP drop every 3 or 4 seconds for some time now. It's extremely annoying and doesn't seem to be hardware related, as it happens on any map and even while playing my larger maps.
CPU and GPU loads are always below 35% and no load spikes.

Sometimes I start the ...