Hi @Jean-Paul Durand ,
issues are grouped/distributed in different colors, to better distinguish the issues that receive more recent comments from the ones that receive fewer recent comments.
For example , issues in green have less recent comments and less size refers to less number of votes. Issues in red indicates issues with more recent comments.
Red Issue: Users are deeply involved and they vote and comment
Green Issue: 1 or 2 comments and issues are created long ago.
Please go through below video tutorial , that will be helpful in understanding bubble chart in more detail.
Learn how to use two new reports for next-gen projects in Jira Cloud: Cumulative flow diagram and Sprint burndown chart. Ivan Teong, Product Manager, Jira Software, demos the Cumulative ...
Connect with like-minded Atlassian users at free events near you!Find an event
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no Community Events near you at the moment.Host an event
You're one step closer to meeting fellow Atlassian users at your local event. Learn more about Community Events