Welcome mray!
Our active issue tracker is
https://github.com/LibreCAD/LibreCAD/issues.
If you have already have a sourceforge.net account, you can also use
https://sourceforge.net/p/librecad/bugs/.
Before reporting bugs, please search open and closed issues. It depends on the version you use, maybe some issues are already solved in latest code base and thus in nightly builds.
Armin
investing less than half an hour into Search function can save hours or days of waiting for a solution