I created a new Atlassian cloud instance yesterday and I noticed that the groups that were created don't match the documentation here.
The default groups that exist in my newly created instance are:
Missing groups are:
Although the "Default groups and permissions" section contains a note saying "Depending on when you created your site, there might be slight differences in your site’s default groups.", and the table provides some updates for the different creation dates, I think the section would benefit greatly from having different tabs instead of combining everything in the same table. For example one tab would be named something like "before February 2014", and another would be "current".