Zoom in to samples shows header pins, why? (solved)

Hi all,

Happy Audacity user for years, only recently upgraded to version 2.2.1
I noticed this when zooming in:
New to me, but maybe not a new feature?
Why has it been changed into header pins, instead of ‘connecting the dots’ describing the wave?
Is there a way to change it back to the old style?
I much prefer to be able to see the angles of the connections between the dots, for when i want to use the ‘Draw tool’.

It’s a setting: