[rules-users] Status of Drools 5.1 M2?

I've been patiently awaiting the release of Drools 5.1 M2 so I can start using it in a new Spring based SAAS project we are launching. The new features in 5.1 have me drooling (sorry, couldn't resist). I've found the following information on a tentative release for 5.1 M2, but it was weeks ago: http://n3.nabble.com/Drools-Roadmap-Planned-Release-5-1-release-date-td60... . Does anyone have a status update on when we can expect a 5.1 M2 release? Thanks, Caine