Zimbra Forums

As I know, in this version, Zimbra will have Always-on Phase 1 feature but it doesn't have any document about this thing in this time. So any one help me know if this feature is intergrated and how to install it (with multi servers)

P/s: in this version, I like its tablet interface ^.^

I don't think they are quite ready for always on yet. They have quite a bit of work to do.
As noted in this blog post, Phase 1 looks like it's mostly under-the-hood stuff which has no affect on administation or end-user.