A limited set of actions can assigned via macro commands. Incompatible actions are ommited from the generated macro. Also note that Macros are limited to 15 lines each.
Waiting for the new action images to get added in to fully get this good
Make sure to change Double tap L2 to "Cross Hotbar 4 - Left" and Double tap R2 to "Cross Hotbar 4 - Right"
This hotbar is pulled from Gingergaming's channel and is used for myself with some modifications to remove macro usage.
Bunboss https://www.youtube.com/watch?v=Mf5pTbncRKo
Youtuber 99_Vit bars from what I could see modded for my preferred layout