Music genre icons not shown

Issue description:
In the music library, there are not music genre icons shown. In Kodi, the are shown, but not on Yatse remote.
Album covers are shown as well as single song arts.

Do you have any hint about this?

Thank you,
best regards,

Additional information:
latest Yatse version (android, unlocked)
Kodi 18.5 on Raspberry Pi3

Kodi API does not return the custom genres images it’s broken since the start on Kodi side.

Thank you for this info!