breaks many log in, with 2FA for instance.
not very user friendly for now

Overall, the best link-cleaning addon by far. The only issue I have had is with Amazon, which can be fixed (with slightly reduced functionality) by unchecking "Match subdomains" in the rule for Amazon.

Since the last update there is a serious mistake: All download links on pages with fire fox downloads including the fire fox homepage are edited incorrectly. no downloads are possible anymore.