Hi, Now that etcd v3 has been out almost for 2 years https://github.com/coreos/etcd/releases/tag/v3.0.0
and Container Linux officially deprecated etcd v2 https://coreos.com/blog/toward-etcd-v3-in-container-linux.html etcd team wants to enable ETCDCTL_API=3 by default for upcoming v3.4 release (planned for this summer). All v2 APIs and store will be still preserved until v4. We just want to promote etcd v3 as a default option. Currently, etcdctl put foo bar ETCDCTL_API=3 etcdctl put foo bar After, ETCDCTL_API=2 etcdctl set foo bar etcdctl put foo bar Please raise any issues or concerns if there's any. Thanks all.
