Exams are now over and I'm back on LibreCAD.
The drag points of selected entities are always shown. That might be only temporary for some entities which doesn't have intersection implemented.
Points can selected when the cursor is in the box around it, for points which aren't snapable.
New entities are modifiable:
You can see the commit for these changes here.
- Remove entities from selection when they are re-selected in append to current selection mode