Posted by visierl on Dec 24, 2020; 9:18pm
URL: https://forum.librecad.org/Printing-Slowness-Hangs-on-Ubuntu-20-04-tp5719922p5719923.html

Never mind, at least for the moment it appears to be related to a problem with AppArmor and CUPS, not a LibreCAD thing at all.  Sorry for the noise.