transparent parts left by rotating become black (color picker shows -nan for R, G, B) and are not changeable
with Gimp 2.10.20 from flatpack on LM20 with KDE Plasma 5
after rotating an image and cropping it still having a transparent corner trying to cover it with the smear tool black artifacts cover the space and it is not changeable with any tool until you put a new layer over it, also closing and re-open the image does not work, shutting down and restart gimp also not
it can not be repeated on purpose but happens from time to time, not always
an xcf image is attached, please look at the left corner, after saving it is white now and don't now why
thanks!
Edited by Michael Schumacher