SUMMARY Flatpaks using org.kde.Platform take minutes to launch on Kubuntu 19.04 STEPS TO REPRODUCE 1. Install org.telegram.desktop on kubuntu 19.04 2. Observe that the app takes 1-3 minutes to launch 3. Observe that apps that don't use org.kde.platform launch fine, and that using other DEs are fine. Also observe that in the journal there are lots of errors relating to xdg-desktop-portal-kde (eg https://pastebin.ubuntu.com/p/6m2fVWGc93/ ) ADDITIONAL INFORMATION This is a copy of https://bugs.launchpad.net/ubuntu/+source/xdg-desktop-portal-kde/+bug/1829269 reported by Eric Adams.
*** This bug has been marked as a duplicate of bug 406672 ***