https://bugs.kde.org/show_bug.cgi?id=498533
--- Comment #8 from Nate Graham <n...@kde.org> --- I suspect this is one of those apps that changes its StartupWMClass after launch, or something similar. Can you launch MuPDF, run `xprop` in a terminal window, and then click on the MuPDF window? Paste the text it outputs here. -- You are receiving this mail because: You are watching all bug changes.