I desperately want to switch editors (been using slickedit since 93) I tried VSCode only to find it is hardcoded to only support 3 panes at once. I often have

I desperately want to switch editors (been using slickedit since 93) I tried VSCode only to find it is hardcoded to only support 3 panes at once. I often have 5-7 panes open. It was also not clear how much work it would be to add modal selection. I tried the most popular vim emu looking for an example on how to do it only to find that feature has not been emulated yet.