title: Git Extensions (GitExt) What is the difference between square and circle symbols for commits?
body: <p>What is the meaning of the squares and the rare circles as seen in the below git repository screenshot from GitExt?</p>
  <p><a href="https://i.stack.imgur.com/DHFn7.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/DHFn7.png" alt="enter image description here" /></a></p>