Black box over the loudness meters,

[Poyeyo]

Testing RoundCorners master branch with Mixxx 2.4 Beta, I get this:

[GsnailG]

I also have this problem on the 2.5 branch and 2.4 too.

[22degrees]

Thank you for your bug report, and apologies for the delayed response.

It appears that MIXXX changes the behavior of the VU meters.
I believe I have fixed the issue in all affected areas.