[I've searched for this and didn't find anything. Apologies if this is redundant.]
Wish: Have an Safety Belt option that will disallow "direct" folder operations, such as copying, moving, renaming and most crucially, deleting in the tree pane.
Reason: Over the years, I have several times tried to delete some files in the file pane (using shift-del permanent delete, of course

), only to find out too late that the focus was, for whatever reason, in the tree pane, resulting in the permanent deletion of the entire folder (and sub-folders). It doesn't happen often, but once is bad enough, as you can imagine. Given that I rarely perform folder operations in the tree pane (and almost never delete), I would personally be OK with entirely removing this possibility. Since others will obviously disagree, I would be happy with having this as a safety option.
Thanks.