10.1.1 has following fixes:
- Re-saving a certificate was giving validation error. Now fixed.
- With multi-tenancy disabled, device and FQDN for certs was not showing up on certificate view and edit page. Now fixed.
- Building and room relation of a device in certain edge cases was not being set correctly. Now fixed.
Blog Details here: http://blog.device42.com/2016/06/bug-fixes-in-v10-1-1/