I was using Tab Kit 2nd Edition and very much liked it. With Version 52.0 it went obsolete, so I'm using this now, This is pretty nice, but a couple of things I'd like to see:
1. Resolution to hiding the horizontal tab bar.
2. A true autohide of the vertical tab bar that does not require Ctrl-Shift-V.
This is very nice anyway. Would be great to see these things as well.