After 4 years of dicking around with Jira/Confluence, we finally got rid of them last month. Haven't looked back since.
I miss it sorely when working with Github Issues.
It’s a great product. The speed and ease of use is amazing.
Which I guess makes sense, Pivotal as a whole is aiming more towards capital-E Enterprise.
Our headline products, for reference: https://pivotal.io/products