I hope KOreader developers read this.
Right now, there isn't a KOreader forum section. The site owner is MIA and not replies my messages.
EDIT: There's a KOreader section. PASE TWO: One per device family!
What to do? Sorry for replying everywhere. I'm tired of crappy readers software and have my hopes in KOreader...
If you are able to, please write about your issue on GitHub. I can help you at it if you have issues understanding GitHub and how to submit a bug issue.
https://github.com/koreader/koreader/issues