This was my error, sorry. For a reason unknown, the option View -> Convert to grayscale was enabled. I am absolutely sure that I never enabled it on purpose. Probably, an accidental mouse click.
I see no button to close this bug. Please close it as invalid. Sorry for the noise.
This was my error, sorry. For a reason unknown, the option View -> Convert to grayscale was enabled. I am absolutely sure that I never enabled it on purpose. Probably, an accidental mouse click.
I see no button to close this bug. Please close it as invalid. Sorry for the noise.