Previous change logs can be found at CHANGELOG-3.x.
Planned breaking changes.
See code changes and v4.0 upgrade guide for any breaking changes. Again, before running upgrades from any previous release, please make sure to read change logs below and v4.0 upgrade guide.
- Secure etcd by default?
- Change
/health
endpoint output.- Previously,
{"health":"true"}
. - Now,
{"health":true}
. - Breaks Kubernetes
kubectl get componentstatuses
command.
- Previously,
- Deprecate
etcd --proxy*
flags; no more v2 proxy. - Deprecate v2 storage backend; no more v2 store.
- v2 API is still supported via v2 emulation.
- Deprecate
etcdctl backup
command. clientv3.Client.KeepAlive(ctx context.Context, id LeaseID) (<-chan *LeaseKeepAliveResponse, error)
is nowclientv4.Client.KeepAlive(ctx context.Context, id LeaseID) <-chan *LeaseKeepAliveResponse
.- Similar to
Watch
,KeepAlive
does not return errors. - If there's an unknown server error, kill all open channels and create a new stream on the next
KeepAlive
call.
- Similar to
- Rename
github.com/coreos/client
github.com/coreos/clientv2
.
- Require Go 2.