In fact, x11vnc just inserts the fake KeyRelease for Shift, before sending Fx. It is likely because it searches for a possible combinations to generate the same keycode on a target system, and uses the first match, instead of trying the best match with identical modifiers.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1870446 Title: Shift-Fx combo does not work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/x11vnc/+bug/1870446/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs