Usesjson.loads`insteadof``eval() for JSON parsing, which couldallow users of the Blazar dashboard to trigger code execution on theHorizon host as the user the Horizon service runs under.

Python 2 is no longer supported. Python 3 is required.

Add support for specifying the affinity policy to use with instancereservations. This feature is available in Blazar starting with the Steinrelease.

A new Hosts panel is supported in the Reservation group of the Admindashboard. The following operations are supported:

• Show a list of hosts

• Show details of a host

• Create host(s)

• Update a host

• Delete host(s)

The following features are currently supported:

• Show a list of leases

• Show details of a lease

• Create a lease

• Update a lease

• Delete lease(s)