Since updating all ports after an update to FreeBSD-12, every time I invoke atril PDF reader, I see a gst-plugin-scanner process running at 100% CPU. I am guessing that the port is gstreamer1, as gstreamer also installed an identically named program. A TERM signal causes it to exit cleanly.
I have no significant details on this but would be happy to collect some with some advice on what to collect. (truss? ktrace? What options, if any.)