Istio 1.0.1

This release addresses some critical issues found by the community when using Istio 1.0. This release note describes what’s different between Istio 1.0 and Istio 1.0.1.

Networking

• Improved Pilot scalability and Envoy startup time.

• Fixed virtual service host mismatch issue when adding a port.

• Added limited support for merging multiple virtual service or destination rule definitions for the same host.

• Allow outlier consecutive gateway failures when using HTTP.

Environment

• Made it possible to use Pilot standalone, for those users who want to only leverage Istio’s traffic management functionality.

• Introduced the convenient values-istio-gateway.yaml configuration that enables users to run standalone gateways.

• Fixed a variety of Helm installation issues, including an issue with the istio-sidecar-injector configmap not being found.

• Fixed the Istio installation error with Galley not being ready.

• Fixed a variety of issues around mesh expansion.

Policy and Telemetry

• Added an experimental metrics expiration configuration to the Mixer Prometheus adapter.

• Updated Grafana to 5.2.2.

Adapters

• Ability to specify sink options for the Stackdriver adapter.

Galley

• Improved configuration validation for health checks.