Besides some minor issues, two serious bugs have been fixed since 2.2.1:
1. crashes due to invalid actions by event handler :
https://forum.librecad.org/Need-help-fixing-a-Seg-Fault-td5726430.html2. RS_Solid causing selection problems:
https://github.com/LibreCAD/LibreCAD/issues/2030We are releasing a bugfix release 2.2.1.1 soon. Please let us know your suggestions on additional fixes.