FluentReader App Image not starting in Wayland

Describe the bug Fluent.Reader.1.2.2.AppImage crashes in Wayland

To Reproduce Steps to reproduce the behavior: Start Fluent.Reader.1.2.2.AppImage in Kubuntu with Wayland

Expected behavior A clear and concise description of what you expected to happen.

Screenshots If applicable, add screenshots to help explain your problem.

Platform (please complete the following information): Betriebssystem: Kubuntu 26.04 LTS KDE-Plasma-Version: 6.6.6 KDE-Frameworks-Version: 6.24.0 Qt-Version: 6.10.2 Kernel-Version: 7.0.0-31-generic (64-bit) Grafik-Plattform: Wayland

Additional context Start in Terminal with --no-sandbox the App started, but the Scren will be blank. AppImages/Fluentreader/Fluent.Reader.1.2.2.AppImage --no-sandbox [21344:0905/111401.746321:ERROR:base/nix/mime_util_xdg.cc:139] Invalid mime.cache file does not contain null prior to ALIAS_LIST_OFFSET=44 [21344:0905/111403.184471:ERROR:crypto/nss_util.cc:377] After loading Root Certs, loaded==false: NSS error code: -8018

Start in Terminal without sandbox: Fluentreader/Fluent.Reader.1.2.2.AppImage [21498:0905/111519.147082:FATAL:sandbox/linux/suid/client/setuid_sandbox_host.cc:166] The SUID sandbox helper binary was found, but is not configured correctly. Rather than run without sandboxing I'm aborting now. You need to make sure that /tmp/.mount_FluentLx7ksg/chrome-sandbox is owned by root and has mode 4755. Trace/Breakpoint ausgelöst(Speicherabzug geschrieben) /home/me/AppImages/Fluentreader/Fluent.Reader.1.2.2.AppImage

Start Appimage in X11 Session with --no-sandbox, everything is running fine. Thanks for helping.