At least for video editing, there’s DaVinci Resolve.

CS2 is on Source engine 2. Hence the major version bump.

Sync

If you don’t mind self hosting, there is a community plugin for live sync backed to CouchDB.

I concur. Fabric is far more performant and switching back to Forge is no longer tolerable for me.

I am not sure if NeoForge will aim to be more peformant.

RTX 2080S

I get ~140 fps at QHD. I play with Iris Shaders, and with one of them, it looks good and I get about 130 fps. That shader does not enable raytracing.