1.2.0.yaml

date: March 7, 2017

changes:
- area: cds
  change: |
    :ref:`Cluster discovery service (CDS) API <v1.5:config_cluster_manager_cds>`.
- area: outlier_detection
  change: |
    :ref:`Outlier detection <v1.5:arch_overview_outlier_detection>` (passive health checking).
- area: config
  change: |
    Envoy configuration is now checked against a JSON schema.
- area: routing
  change: |
    :ref:`Ring hash <v1.5:arch_overview_load_balancing_types>` consistent load balancer, as well as HTTP
    consistent hash routing based on a policy.
- area: rate_limiting
  change: |
    Vastly :ref:`enhanced global rate limit configuration <v1.5:arch_overview_rate_limit>` via the HTTP
    rate limiting filter.
- area: routing
  change: |
    HTTP routing to a cluster retrieved from a header.
- area: routing
  change: |
    Weighted cluster HTTP routing.
- area: routing
  change: |
    Auto host rewrite during HTTP routing.
- area: matching
  change: |
    Regex header matching during HTTP routing.
- area: logging
  change: |
    HTTP access log runtime filter.
- area: lightstep
  change: |
    LightStep tracer :ref:`parent/child span association <v1.5:arch_overview_tracing>`.
- area: routing
  change: |
    :ref:`Route discovery service (RDS) API <v1.5:config_http_conn_man_rds>`.
- area: routing
  change: |
    HTTP router :ref:`x-envoy-upstream-rq-timeout-alt-response header
    <v1.5:config_http_filters_router_x-envoy-upstream-rq-timeout-alt-response>` support.
- area: listener
  change: |
    ``use_original_dst`` and ``bind_to_port`` :ref:`listener options <v1.5:config_listeners>` (useful for
    iptables based transparent proxy support).
- area: routing
  change: |
    TCP proxy filter :ref:`route table support <v1.5:config_network_filters_tcp_proxy>`.
- area: stats
  change: |
    Configurable stats flush interval.
- area: ssl
  change: |
    Various :ref:`third party library upgrades <v1.5:install_requirements>`, including using BoringSSL as
    the default SSL provider.
- area: http2
  change: |
    No longer maintain closed HTTP/2 streams for priority calculations. Leads to substantial memory
    savings for large meshes.
- area: envoy
  change: |
    Numerous small changes and fixes not listed here.