1.2.0 (March 7, 2017)

Changes

• cds: Cluster discovery service (CDS) API.

• config: Envoy configuration is now checked against a JSON schema.

• envoy: Numerous small changes and fixes not listed here.

• http2: No longer maintain closed HTTP/2 streams for priority calculations. Leads to substantial memory savings for large meshes.

• lightstep: LightStep tracer parent/child span association.

• listener: use_original_dst and bind_to_port listener options (useful for iptables based transparent proxy support).

• logging: HTTP access log runtime filter.

• matching: Regex header matching during HTTP routing.

• outlier_detection: Outlier detection (passive health checking).

• rate_limiting: Vastly enhanced global rate limit configuration via the HTTP rate limiting filter.

• routing: Ring hash consistent load balancer, as well as HTTP consistent hash routing based on a policy.

• routing: Route discovery service (RDS) API.

• routing: Auto host rewrite during HTTP routing.

• routing: HTTP router x-envoy-upstream-rq-timeout-alt-response header support.

• routing: HTTP routing to a cluster retrieved from a header.

• routing: TCP proxy filter route table support.

• routing: Weighted cluster HTTP routing.

• ssl: Various third party library upgrades, including using BoringSSL as the default SSL provider.

• stats: Configurable stats flush interval.