Okey ... that didn't help, but i did found that if I run geany from terminal it has this bad background, but if I run from start menu or krunner it loads and it get correctly black background.
Thanks for your help, so i need to look into theme and probably hit plasma team. -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/geany/geany/issues/1651#issuecomment-337451749
