+ It manages to sort the tabs in a particular windows.
- The "wrangle" function doesn't seem to have much effect to it. It manages to drag a few other tabs into a windows that is of low population, but it certainly doesn't gather everything up.
Edit: After a restart of the browsers, it seems to work again at what it is supposed to do - gather ALL tabs from all windows into one window. That it is occasionally unable to do so must be a bug, but that is at least reasily remedied - for a while.
Sorting tabs by URL appears to be currently broken: each time you do it, one tab becomes out of place. (I assume this is what the other reviewers seem to currently think happens with Youtube specifically)