The stats endpoint can now return only specific counters, use the counters query param to tell which counters to return. E.g: /stats?counters="Main.cache_hit,Main.cache_miss".
GET endpoints support gzip responses.
Stats are no longer pushed against the VAC if the -i option is 0.
When upgrading from earlier versions, the agent_secret file is left untouched.
Various other small improvements.
Version 6.1.0 (2018-12-03)
Ping endpoint does not rely on a Varnish running instance anymore.
The stats payload has been stripped of unnecessary tags.
The agent can now specify a bind address. (see -a parameter)
