You can keep track of past, present, and future issue tickets directly on our forge below.
https://forge.joomlapolis.com/projects/cb/issues
There you can utilize various filters to narrow down if a ticket has been completed, what version it was for, and more! To keep track of recent changes in a build release be sure to check the Activity page as in most cases all resolved tickets will be in the latest build release or will soon be.
https://forge.joomlapolis.com/projects/cb/activity
For an idea on how close we are to a new stable release you can check the roadmap for progress.
https://forge.joomlapolis.com/projects/cb/roadmap
If you should have any issues please be sure to report them to our support forums directly!