Fading using "hot corners" of clip sometimes uses wrong values.
I'm fading every image or title by 15 frames (changed on kdenlive settings).. 0.5 secs on a 30 fps clip and i'm not sure when happens but sometimes (maybe just 2 times per project) the automatic fade is generated using only 2 frames. on this video i was able to "grab" the issue:
Edited by Davy Bartoloni