Which Mongo DB should I use

I’ve just created a deployment of an application via MUP/Ubuntu 14.04. The application uses a text index and full text search as described by https://www.okgrow.com/posts/guide-to-full-text-search-in-meteor.

Ubuntu comes with a 2.4 flavour of Mongo by default, Full text search is only supported from 2.6 onwards. I’ve actually tested this now with 3.2 and had no issues. But is there a recommended version that should be used with Meteor 1.3.1 and if yes where is this documented?