Switching the mouse cursor to a pointer - arrow

Obsidian ver.1.0.3
Win 10LTSC 1908

The following bug is noticed in this version of Obsidian:

In note editing mode, mouse cursor switches to arrow pointer when in text positions 2-4 inclusive.
This error appears for any line.

I don’t understand what you mean.
post a screen recording of this happening in the sandbox vault and attach debug info