# Experimental features

Enable experimental features with:

`export KOPS_FEATURE_FLAGS=`

The following experimental features are currently available:

* `+VSphereCloudProvider` - Enable vSphere cloud provider.
* `+DrainAndValidateRollingUpdate` - Enable drain and validate for rolling updates.
* `+EnableExternalDNS` - Enable external-dns with default settings (ingress sources only).