GNU Hurd 0.8 has been released on 2016-05-18, along with GNU Mach 1.7, and GNU MIG 1.7. Read about the Hurd's status.

OK, but when will it be finished?

Well, is the Linux kernel considered to be really "finished"? Hurd 0.8 does work, but of course it can still become better -- beginning to contribute and joining us is the best way for you to help achieve that. :-)