Announcing Istio 0.4

This release has only got a few weeks' worth of changes, as we stabilize our monthly release process. In addition to the usual pile of bug fixes and performance improvements, this release includes the items below.

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General

• Cloud Foundry. Added minimum Pilot support for the Cloud Foundry platform, making it possible for Pilot to discover CF services and service instances.

• Circonus. Mixer now includes an adapter for the Circonus analytics and monitoring platform.

• Pilot Metrics. Pilot now collects metrics for diagnostics.

• Helm Charts. We now provide Helm charts to install Istio.

• Enhanced Attribute Expressions. Mixer's expression language gained a few new functions to make it easier to write policy rules. Learn more

If you're into the nitty-gritty details, you can see our more detailed low-level release notes here.