FWIW, attached is a workaround. Simply put, I alternate the name of the icon which is written out (appending a 1 or 2 depending on each alternate) and that fools the set_icon method to update the icon.
** Attachment removed: "Sample workaround." https://bugs.launchpad.net/ubuntu/+source/libappindicator/+bug/1337620/+attachment/4149927/+files/indicator-test-icon.py ** Attachment added: "indicator-test-icon.py" https://bugs.launchpad.net/ubuntu/+source/libappindicator/+bug/1337620/+attachment/4149954/+files/indicator-test-icon.py -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1337620 Title: Application indicator icon only changes after mouse click To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libappindicator/+bug/1337620/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs