What does triangle/circle sign mean in PyCharm?

PyCharm window

Before it was a circle now it is a triangle. What does it stand for?

Answer

At the bottom of your PyCharm screen there’s a toolbar with info that corresponds to what you see in the Project window. This should help you explain what these icons mean.

For example:

If the branch is up-to-date and there are no new changes you’ll see this:

If there are some and haven’t been committed you will see this:

You can click on this widget to get a context menu:

Also, I highly recommend exploring the Repository and Incoming Tab.

To read more about PyCharm’s common symbols, see this.