Do not know whether this is a bug or new electron's behavior.

I just tested MM's dev branch 2.11.0 and have found that now the electron's white screen appears just after MM start for 0.5-1.0 seconds and then reverts to black one.

See video how it looks like: https://youtu.be/Uhb5BjEy-dA - on this video white screen starts at 10th second and lasts until the beginning of the 12th second.

I have never seen such behavior before during the previous installs.

Looks not good with the mirror while everything should be black for good reflection.