I tried to developp my Fujifilm XT3 RAW file : it’s a RAF type file. When opening this RAF file, the picture has black borders:
This issue exists on previous Rawtherapee version too.
Here is the uname -a output:
Linux nikos-desktop-hera 4.15.18-acso #1 SMP Thu Apr 19 13:38:37 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux