JupyterHub 1.0 beta is out. You can help us make 1.0 a solid release by testing it out, reviewing documentation of new features, asking questions, etc.
You can test the beta with:
pip install --pre jupyterhub==1.0.*
Check out the change log for what’s new.
Thanks to the numerous folks who have contributed to this release.
Mod edit: JupyterHub 1.0 is now out! https://blog.jupyter.org/announcing-jupyterhub-1-0-8fff78acad7f