For some reason I can not determine, I am getting some odd things in the app.
Two spaces at the end of line causes a period to be inserted at the end of the line
When I switch to the Markdown render view there is a button at the bottom of the screen with a pencil icon and the words “Plain edit mode”. Clicking this button does nothing. I expect it to take me back to the edit screen. The only way back is to use the top left arrow to exit the editor back to the notes list and open the note again.