If you want to select another output while playing, the output is not maintained after the media file is stopped. Tested with pavucontrol installed and uninstalled and with another pulseaudio gui instead so I think it is not related to a pulseaudio gui but specifically to xfce4pulseaudio-plugin 0.4.1-1.
Steps to reproduce (you need two output at least to test it).
1) Play a media file (sound or video) with any application (vlc, smplayer etc...)
2) change output while playing : the output is correctly changed
3) Stop the application playing the media file
4) change the output with xfce4-pulseaudio-plugin 0.4.1-1
5) play a media file again
Expected result : The media file is played through the output we've selected last time
Actual result : The media file is played through the output we've selected while the application was playing the first time but the output displayed by xfce4-pulseaudio-plugin is the other one
-- GitLab Migration Automatic Message --
This bug has been migrated to xfce.org's GitLab instance and has been closed from further activity.
You can subscribe and participate further through the new bug through this link to our GitLab instance: https://gitlab.xfce.org/panel-plugins/xfce4-pulseaudio-plugin/-/issues/25.
Please create an account or use an existing account on one of our supported OAuth providers.
If you want to fork to submit patches and merge requests please continue reading here: https://docs.xfce.org/contribute/dev/git/start#gitlab_forks_and_merge_requests
Also feel free to reach out to us on the mailing list https://mail.xfce.org/mailman/listinfo/xfce4-dev