Some of the features of 5.8:
1) JBoss replaced with Active MQ - faster and more reliable
2) User "tours" feature integrating "PageGuide" into Aware IM - see http://tracelytics.github.io/pageguide/
3) Editing/viewing of documents in-place using Zoho editors (Word, Excel, PowerPoint, HTML and many other types of documents) - see http://www.zoho.com
4) Support for REST-ful services
5) Many smaller improvements (auto-incremented attributes, document viewing, printing etc)
