I'm trying to track down a problem with copy/paste between Firefox and other applications on Fedora 34. I can copy in other applications and paste to Firefox, but not the other way around. [~](master)$ rpm -qf `which firefox` firefox-93.0-2.fc34.x86_64 [~](master)$ rpm -qf `which gnome-terminal` gnome-terminal-3.40.3-1.fc34.x86_64 [~](master)$ rpm -qf `which thunderbird` thunderbird-91.1.0-1.fc34.x86_64 shift-ctrl-C in gnome-terminal, then ctrl-V in Firefox: works shift-ctrl-C in gnome-terminal, then ctrl-V in Thunderbird: works ctrl-C in Firefox, then ctrl-shift-V in gnome-terminal: does not work (nothing is pasted) ctrl-C in Firefox, then ctrl-V in Thunderbird: does not work (same) ctrl-C in Thunderbird, then ctrl-V in Firefox: works ctrl-C in Thunderbird, then shift-ctrl-V in gnome-terminal: works Any suggestions or other things to try would be welcome, thank you.