When I apply some effects (like livafilter "Chromakey") they do nothing and a progress bar appears in "maximum number of threads" that stays forever rolling.

I have no idea what's happening.

Any idea??

Hi

I have a xubuntu 18.04 and kdenlive 17.12.3 and i have the same behavior
I tried with appimage 18.04.1 and the same behavior appear

i tried to change language, theme, etc., impossible to fix
Chromakey and Lumakey have exactly the same default
one bargraph
av.similarity
one bargrpah
av.blend
and one bargraph with no text and a bar rolling (maximum number of threads)

I try on windows 10 and it's OK

Thank you for your reply. At last someone check my problem.
Did you mean that in Windows it does something????

Hi

Yes it's work with the windows version
But I work with XUbuntu and it's very frustrating to have an error on Linux version

Your message is the only link I have found witch speaks about this error

I don't know how to fix this bug

I created a bug about this problem. You can confirm it in https://bugs.kde.org/show_bug.cgi?id=395549 to make other people share their experiencie about it.

Thank you for sharing your experiencie!!!