A major day for Stellaris as the Stellaris: BioGenesis expansion has released, and the huge free overhaul patch 4.0 Phoenix has arrived. If you've been away a while, it looks like a great time to jump back in. This is probably one of the biggest updates to the game since release back in 2016.
Performance even worse now. New planet system is quite intuitive, though. I’d suggest waiting a bit for a few patches to come out.
I genuinely don’t understand how a ten year old game can have these issues.
There’s a lot of math happening, and they just tore out and rebuild a core system