I meant that it's still working, all animations are playing
Do you have any log after that crash? You can find a path to them here: http://gitea.wildfiregames.com/0ad/0ad/wiki/GameDataPaths.
Ah, I see. We have some performance issues when many units are selected.
Could you try to disable borderless fullscreen by adding the following line to your user.cfg?
borderless.fullscreen = "false"