Since Kf5 Sessions are not properly restored. previously applications that were restored, were all on the same desktop, but that seems to be partialy fixed in 5.4.3. See "Actual Results" Reproducible: Always Steps to Reproduce: 1. Open a few applications 2. Log out 3. Log in Actual Results: With my user account (after deleting old ksmserverrc and session/* in kde 4&5 dirs): Restored: Yakuake, SMPlayer, Kile Not restored: Kate, Konsole, Opera With brand new User: same as above, except: on first try kate and konsole were also restored, but on wrong desktop. after that, same as above. Expected Results: After login all application windows are restored and on the same virtual desktop as at logout.
Should be fixed with Qt 5.6 and Frameworks 5.20. *** This bug has been marked as a duplicate of bug 354724 ***