I found the following issue reported in the kdevelop tracker (see https://bugs.kde.org/show_bug.cgi?id=293587)
Adding the argument "--graphicssystem native" resolves the issue for me and the person who submitted the issue to kdevelop. You may get lucky as well! ** Bug watch added: KDE Bug Tracking System #293587 https://bugs.kde.org/show_bug.cgi?id=293587 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1077965 Title: qt4 applications over X forward run slower than with Ubuntu 10.04 LTS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qt4-x11/+bug/1077965/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
