Releases 1.0.0 and 2.0.0 have the same functionality, just for different OpenStack releases. The 1.0.0 series is for Kilo, and the 2.0.0 series is for Liberty.
1.0.0
0.1alpha3
No changes from end of sprint 2.
0.1alpha2
Supports monitoring of QPS on Infoblox instances via SNMP.