When I view Interface > Addons I get an error:

For Config.lua 130:
https://github.com/Stanzilla/WoWUIBugs/wiki/9.0.1-Consolidated-UI-Changes#backdrop-system-changes

Hello,
I'll have a look at that as soon as possible.
Thanks.

Hello,
This should be fix with last commit.

Confirmed working; thanks!

I'll try to do a proper release with weekend.