Bear 2.0 (9652) Auto-indenting line below bullet point

Testing version: Bear 2.0 9652

What happened:
Bear auto-indented the line below the bullet point as I typed characters in the bullet point line.


I am pressing Cmd-Z and then retyping the letter in the video above.

What did you expect to happen:
It should not auto-indent the line below the bullet point.

it is said that it is part of commonmarks specification: