It may be related to this: https://askubuntu.com/questions/218444/sound-output-starts-delayed
I applied this fix to `~/.config/pulse/default.pa` > rebooted: ``` .include /etc/pulse/default.pa unload-module module-suspend-on-idle ``` (From https://wiki.archlinux.org/index.php/PulseAudio/Troubleshooting) Seems to have fixed it - maybe dialogues were waiting for pulse audio to wake-up to play the alert sound. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1839136 Title: Temporary freeze / delay with some dialog windows To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1839136/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs