etcd v3.1.0 (2017-01-20)
- faster linearizable reads (implements Raft read-index)
- automatic leadership transfer when leader steps down
- etcd uses default route IP if advertise URL is not given
- cluster rejects removing members if quorum will be lost
- SRV records (e.g., infra1.example.com) must match the discovery domain
  (i.e., example.com) if no custom certificate authority is given
  - TLSConfig ServerName is ignored with user-provided certificates
    for backwards compatibility; to be deprecated in 3.2
- discovery now has upper limit for waiting on retries
- etcd flags
  - --strict-reconfig-check flag is set by default
  - add --log-output flag
  - add --metrics flag
- v3 authentication API is now stable
- v3 client
  - add SetEndpoints method; update endpoints at runtime
  - add Sync method; auto-update endpoints at runtime
  - add Lease TimeToLive API; fetch lease information
  - replace Config.Logger field with global logger
  - Get API responses are sorted in ascending order by default
- v3 etcdctl
  - add lease timetolive command
  - add --print-value-only flag to get command
  - add --dest-prefix flag to make-mirror command
  - command get responses are sorted in ascending order by default
- recipes now conform to sessions defined in clientv3/concurrency
- ACI has symlinks to /usr/local/bin/etcd*
- warn on binding listeners through domain names; to be deprecated in 3.2
- experimental gRPC proxy feature

etcd v3.0.16 (2017-01-13)

etcd v3.0.15 (2016-11-11)
- fix cancel watch request with wrong range end

etcd v3.0.14 (2016-11-04)
- v3 etcdctl migrate command now supports --no-ttl flag to discard keys on transform

etcd v3.0.13 (2016-10-24)

etcd v3.0.12 (2016-10-07)

etcd v3.0.11 (2016-10-07)
- server returns previous key-value (optional)
  - clientv3 WithPrevKV option
  - v3 etcdctl put,watch,del --prev-kv flag

etcd v3.0.10 (2016-09-23)

etcd v3.0.9 (2016-09-15)
- warn on domain names on listen URLs (v3.2 will reject domain names)

etcd v3.0.8 (2016-09-09)
- allow only IP addresses in listen URLs (domain names are rejected)

etcd v3.0.7 (2016-08-31)
- SRV records only allow A records (RFC 2052)

etcd v3.0.6 (2016-08-19)

etcd v3.0.5 (2016-08-19)
- SRV records (e.g., infra1.example.com) must match the discovery domain
  (i.e., example.com) if no custom certificate authority is given

etcd v3.0.4 (2016-07-27)
- v2 auth can now use common name from TLS certificate when --client-cert-auth is enabled
- v2 etcdctl ls command now supports --output=json
- Add /var/lib/etcd directory to etcd official Docker image

etcd v3.0.3 (2016-07-15)
- Revert Dockerfile to use CMD, instead of ENTRYPOINT, to support etcdctl run
- Docker commands for v3.0.2 won't work without specifying executable binary paths
- v3 etcdctl default endpoints are now 127.0.0.1:2379

etcd v3.0.2 (2016-07-08)
- Dockerfile uses ENTRYPOINT, instead of CMD, to run etcd without binary path specified

etcd v3.0.1 (2016-07-01)

etcd v3.0.0 (2016-06-30)