But some more googling indicates this is a known bug in glib2 that the developers were very actively working from Jan-Feb 2018, but maybe not finalised by Mar 2018. https://bugzilla.gnome.org/show_bug.cgi?id=761102#c53
** Bug watch added: GNOME Bug Tracker #761102 https://bugzilla.gnome.org/show_bug.cgi?id=761102 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1724876 Title: libreoffice soffice.bin using 100% cpu To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libreoffice/+bug/1724876/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs