Amazon ECS Agent - v1.20.2 - 2018-08-30

• Enhancement - Added ECS config field ECS_SHARED_VOLUME_MATCH_FULL_CONFIG to
  make the volume labels and driver options comparison configurable for shared volume #1519
• Enhancement - Added Volumes metadata as part of v1 and v2 metadata endpoints #1531
• Bug - Fixed a bug where unrecognized task cannot be stopped #1467
• Bug - Fixed a bug where tasks with CPU windows unbounded field set are not honored
  on restart due to non-persistence of PlatformFields in agent state file @julienduchesne #1480

Amazon ECS Agent - v1.20.1 - 2018-08-08

• Bug - Fixed a bug where the agent couldn't be upgraded if there are tasks that use volumes in the task definition on the instance #1508

• Bug - Fixed a bug where volumes driver may not work with mountpoint

Amazon ECS Agent - v1.20.0 - 2018-08-01

• Feature - Add support for Docker volume drivers, third party drivers are only supported on linux
• Enhancement - Replace the empty container with Docker local volume
• Enhancement - Deprecate support for Docker version older than 1.9.0 #1477
• Bug - Fixed a bug where container marked as stopped comes back with a running status #1446

Amazon ECS Agent - v1.19.1 - 2018-07-26

• Bug - Fixed a bug where responses of introspection API break backward compatibility #1473

Amazon ECS Agent - v1.19.0 - 2018-07-17

• Feature - Private registry can be authenticated through task definition using AWS Secrets Manager #1427

Amazon ECS Agent - v1.18.0 - 2018-05-24

• Feature - Configurable container image pull behavior #1348
• Bug - Fixed a bug where Docker Version() API never returns by adding a timeout #1363
• Bug - Fixed a bug where tasks could get stuck waiting for execution of CNI plugin #1358
• Bug - Fixed a bug where task cleanup could be blocked due to incorrect sentstatus #1383

Amazon ECS Agent - v1.17.3 - 2018-03-30

• Enhancement - Distinct startContainerTimeouts for windows/linux, introduce a new environment variable ECS_CONTAINER_START_TIMEOUT to make it configurable #1321
• Enhancement - Add support for containers to inhereit ENI private DNS hostnames for awsvpc tasks #1278
• Enhancement - Expose task definition family and task definition revision in container metadata file #1295
• Enhancement - Fail image pulls if there's inactivity during image pull progress #1290
• Enhancement - Parallize the container transition in the same task #1305
• Bug - Fixed a bug where a stale websocket connection could linger #1310

Amazon ECS Agent - v1.17.2 - 2018-03-08

• Enhancement - Update the amazon-ecs-cni-plugins to 2018.02.0. #1272
• Enhancement - Add container port mapping and ENI information in introspection API. #1271

Amazon ECS Agent - v1.17.1 - 2018-02-19

• Bug - Fixed a bug that was causing a runtime panic by accessing negative index in the health check log slice #1239
• Bug - Workaround for an issue where CPU percent was set to 1 when CPU was not set or set to zero(unbounded) in Windows #1227
• Bug - Fixed a bug where steady state throttle limits for task metadata endpoints were too low for applications #1240

Amazon ECS Agent - v1.17.0 - 2018-02-08

• Feature - Support a HTTP endpoint for awsvpc tasks to query metadata.
• Feature - Support Docker health check.
• Enhancement - A rate a limiter was added to the credentials endpoint, which throttles clients at steady state and bursts of 10 and 15 requests per second respectively.
• Bug - Fixed a bug where -version fails due to its dependency on docker client. #1118
• Bug - Persist container exit code in agent state file. #1125
• Bug - Fixed a bug where the agent could lose track of running containers when Docker APIs timeout. #1217
• Bug - Task level memory.use_hierarchy was not being set and memory limits were not being enforced. #1195
• Bug - Fixed a bug where CPU utilization wasn't correctly reported on Windows. @bboerst #1219