Looks like the problem has been fixed on git, but since there have not been any releases since then, it has not been picked up by the ubuntu package.
The fix in question: https://github.com/thjaeger/easystroke/commit/7bda4bd9c705413598ee9b534884bc7f23704932 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1426190 Title: Easystroke leaving zombies behind To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/easystroke/+bug/1426190/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs