1.1.0 (November 30, 2016)
circuit_breaking: Added max connection circuit breaking to the TCP proxy filter.
circuit_breaking: Upstream circuit breaker configuration can be overridden via runtime.
config: Switch from Jannson to RapidJSON for our JSON library (allowing for a configuration schema in 1.2.0).
deps: Upgrade recommended version of various other libraries.
dns: Configurable DNS refresh rate for DNS service discovery types.
dyanmodb: DynamoDB filter per shard statistics (pre-release AWS feature).
envoy: Lots of other small fixes and enhancements not listed.
fault_injection: Initial release of the fault injection HTTP filter.
http2: HTTP/2 graceful connection draining (double GOAWAY).
matching: Generic header matching routing rule.
mongo: Support Mongo 3.2 in the Mongo sniffing filter.
options: Added CLI options for setting the logging file flush interval as well as the drain/shutdown time during hot restart.
performance: A very large number of performance enhancements for core HTTP/TCP proxy flows as well as a few new configuration flags to allow disabling expensive features if they are not needed (specifically request ID generation and dynamic response code stats).
rate_limit: HTTP rate limit filter enhancements (note that the configuration for HTTP rate limiting is going to be overhauled in 1.2.0).
retry: Added refused-stream retry policy.
routing: Zone aware routing support.
routing: Multiple priority queues for upstream clusters (configurable on a per route basis, with separate connection pools, circuit breakers, etc.).