I'm struggling so much with this issue, too! My husband and I bought the game just to play as coop (otherwise would have waited for a sale down the road if it was just for solo play). We even paid the extra to play early since it lined up with days off from work. First run was great, we had a blast, but after clocking in too many hours the lag, freeze and cursor glitches got worse. I can bet money if I log into the game right now in split screen and jump into the nearest combat, one (or two) of our characters will get their cursor stuck and be unable to participate in the combat. Because once it gets stuck, we have tried everything to jostle these characters free, but they cannot move or attack or do anything at all. It has become so bad.
I expected some bugginess with a new release game, especially in the early access days. But on release day they threw out a patch and it got SO MUCH worse! Not sure if it was a coincidence in timing because I hoarded too many items on my previous game session, or if the patch accidentally made things worse. I've seen people suggested in these forums that the freezing between characters might come from loading their inventories and spells (go figure, we're all spellcasters over here). I tried dumping my inventory at the camp and it only made the slightest difference. Maybe instead of a 10-20 second freeze, now its about 8-18 second freeze lol
We're both patient enough to push through the freezes and even made it into a joke. Would have enjoyed the game despite it, but the cursor problem has made the game unplayable now. It completely breaks mid-battle and I've had half of our party rendered useless a lot of the time. Almost every battle can guarantee at least one character's cursor will get stuck. Even if not immediately, it can happen at ANY time during combat and we have to reload (and it can happen again) or count that character as lost. And of course, it happens a LOT outside of battle too with being unable to jump or target things.
It was rare at first, but now its constant. We actually cannot move forward in the game as we have a boss to fight ahead of us, which does require all of our party members to be intact. We tried it and even the boss's attacks completely freeze the screen, so we could not even tell you what their actions were. Then two character cursors broke and we gave up playing at all.
I try to remain patient with a new release game but it has been a few days that we couldn't play at all as coop. I do feel grateful any time I see a new patch update pop up, and there was another unrelated one yesterday. I'm sure Larian team knows of these issues and how much worse they've gotten. So I just hope they see these threads and place this high on their priority list for us coop players :[
I didn't want to go through the trouble of snagging a save file from my Ps5 and transferring it over to my PC to fill up a report ticket, but I may have to get off my lazy bones and do that. Maybe it can help
