Added config option values.global.proxy.holdApplicationUntilProxyStarts,
which causes the sidecar injector to inject the sidecar at the start of the
pod’s container list and configures it to block the start of all other
containers until the proxy is ready. This option is disabled by default.
Added TCP Metrics and Access Logs to Stackdriver.
Deprecated installation of telemetry addons by istioctl. These will be disabled by default, and in a future release removed entirely. More information on installing these addons can be found in the Integrations page.
Added a configuration file to hold istioctl default flags. Its default location ($HOME/.istioctl/config.yaml) can be changed using the environment variable ISTIOCONFIG. The new command istioctl experimental config list shows the default flags.
Added--revision flag to istioctl operator init and istioctl operator remove commands to support multiple control plane upgrade.
Addedistioctl x uninstall command to uninstall Istio control plane.
Improvedistioctl analyze to warn if deprecated mixer resources are present
Improvedistioctl analyze to warn if DestinationRule is not using CaCertificates to validate server identity.
Improvedistioctl validate to check for unknown fields in resources.
Improvedistioctl install to emit a warning when attempting to install Istio in an old, non supported Kubernetes version.