I keep getting crashes, especially during large fights with many enemies (BG1EE) and I'm not sure why. I have SCS + Tweaks installed.

I sent a ticket to Beamdog a couple weeks ago but no response.

Does anyone know if they support this game? I know it's a really old one

Theoretically yes, in practice... well, you're pretty much outta luck.

Anyway, in general I'd recommend asking around in the r/baldursgate subreddit. Odds are good that, if it's not a hardware issue, there's something weird going on with one of the mod options, and folks over there tend to be very familiar with the mods.

Beamdog = the base game only... adding mods = on your head be it

yes they still support on Beamdog... on Gog it should be Gog that gets off their ass and say hay fix this [insert bug]