Posted by LordOfBikes on Mar 12, 2021; 7:33am
URL: https://forum.librecad.org/point-select-not-working-tp5720321p5720351.html

It affects all dimensions when tick size is zero AND arrow size is zero.
Except for radial dimensions, where arrow size is explicitly checked for zero.
This is probably not the intention of dimensions, but it leads to unexpected behavior and should be prevented too.

When tick size is not zero, only angular dimensions are affected, because they do not support ticks.
That may be the real culprit and the reason why arrow size was set to zero at least.
So maybe implementing ticks in radial dimension is the best solution.