Smiffe (one of the devs) was talking about this in the bugs forum of their discord last night. , there were a couple different options but one was something about re-sizable bars :

https://www.nvidia.com/content/dam/en-zz/Solutions/geforce/news/rtx-30-series-laptops/nvidia-geforce-rtx-30-series-resizable-bar-ogimage.jpg

check out the discord , there were other tweaks also.

Edit : also this : https://stackoverflow.com/questions/59239756/exclusive-fullscreen-using-vk-ext-full-screen-exclusive-in-vulkan-1-1