Today we've released JIRA 5.2 EAP 4.

Highlights in JIRA 5.2 EAP 4:

• New Issue Navigator!
• Workflow scheme viewer
• Making getting started much easier
• JIRA Webhooks for Issues
• And much, much more... 

Read all about them on our  JIRA 5.2 EAP 4 (m6) Release Notes
We do not recommend you use any EAP in production as they are not supported, so please use them in a testing environment.

You can download the latest EAP from here.