Original plan to upgrade container cluster masters to 1.6 this week has been postponed due to a bug in the GLBC ingress controller that causes unintentional overwrites of manual health check edits (See known issues for v1.6.4). This bug is fixed in 1.6.6.
DeleteNodepool now drains all nodes in the pool before deletion.
You can now run Container Engine clusters in region australia-southeast1 (Sydney).