What steps will reproduce the problem?

1. Move the mouse between action bars at the bottom slowly
2. You will find some icons unclickable
3. At the same time，there is a xp-info ui displayed on the screen

What version of ShestakUI are you using? (Stating 'latest' is not useful)

1.8.1

Do you have an error log of what happened?

no

Any additional information? (example: WoW language if not English) (Attach screenshots here if available, do not link externally)

Chinese
The first picture, the icon is highlight, move a little bit, it is blocked, and xp info ui display on the screen.

I can concur that this bug occurs on english language too.

same version (1.81)
on latest wow wotlk release (whatever version this is)