Adding some detail here: Switching back to xorg reproduces the bug 100%. I can click on the launcher, it seems to be the only thing that'll receive my clicks while the bug is active, but new apps launched while the bug is active are also unable to see mouse clicks.
Kernel is 4.15.0-29-generic #31-Ubuntu SMP Tue Jul 17 15:39:52 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux shotwell is 0.28.2 that came preinstalled, I've done nothing to it other than import a folder of photos and authenticate with Flickr for my upload key. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1784161 Title: Mouse inoperative in other apps while Shotwell is uploading to Flickr To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1784161/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp