Bug 513737

Summary: Okular - displaying only black pages for epub
Product: [Applications] okular Reporter: Daniel Duris <kdebugs>
Component: EPub backendAssignee: Okular developers <okular-devel>
Status: RESOLVED WAITINGFORINFO    
Severity: major CC: aacid
Priority: NOR    
Version First Reported In: 25.12.0   
Target Milestone: ---   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:
Attachments: black pages displayed

Description Daniel Duris 2025-12-23 11:13:57 UTC
Created attachment 187905 [details]
black pages displayed

SUMMARY
Opening epub brings just black pages displayed in Okular (except for images that are displayed correctly)

STEPS TO REPRODUCE
1. Open an epub

OBSERVED RESULT
Black pages instead of white pages with text

EXPECTED RESULT
Proper text displayed

SOFTWARE/OS VERSIONS
Operating System: KDE neon User Edition
KDE Plasma Version: 6.5.4
KDE Frameworks Version: 6.21.0
Qt Version: 6.10.1
Kernel Version: 6.14.0-37-generic (64-bit)
Graphics Platform: Wayland
Comment 1 Daniel Duris 2025-12-23 11:15:27 UTC
Possibly related: https://bugs.kde.org/show_bug.cgi?id=435535
Comment 2 Albert Astals Cid 2025-12-24 16:09:37 UTC
We are going to need the file to reproduce the problem.