Command-U splits the screen, good. That’s why I bought this fine tool! But now the sidebars, instead of being on the outside, the Right-split sidebar is in the middle. Goofy. So what happened? Thx!
Under El Capitan, sidebar is not mirrored on the right side. I didn’t find a way how to implement it again. Please note that a lot of things in TotalFinder has to be developed again with each new major OS version, simply because Finder.app or system libraries change.
Yesterday I found a way how to implement it again.
Fixed in v1.7.6: