istio.io/content/en/news/2019/announcing-1.1.9/index.md

title	subtitle	description	publishdate	release	aliases
Announcing Istio 1.1.9	Patch Release	Istio 1.1.9 patch release.	2019-06-17	1.1.9	/about/notes/1.1.9 /blog/2019/announcing-1.1.9 /news/announcing-1.1.9

We're pleased to announce the availability of Istio 1.1.9. Please see below for what's changed.

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Bug fixes

• Prevent overly large strings from being sent to Prometheus (Issue 14642).
• Reuse previously cached JWT public keys if transport errors are encountered during renewal (Issue 14638).
• Bypass JWT authentication for HTTP OPTIONS methods to support CORS requests.
• Fix Envoy crash caused by the Mixer filter (Issue 14707).

Small enhancements

• Expose cryptographic signature verification functions to Lua Envoy filters (Envoy Issue 7009).