# Istio 1.30.4 — Istio 1.30.4

- Product: Istio (https://whatsnew.fyi/product/istio)
- Vendor: Istio
- Date: 2026-08-27
- Version: 1.30.4
- Original notes: https://github.com/istio/istio/releases/tag/1.30.4
- Permalink: https://whatsnew.fyi/product/istio/releases/1.30.4

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **fixed** — Fixed issue where Envoy proxy would incorrectly handle multiplexed HTTP/2 requests when certain headers were present
- **fixed** — Fixed memory leak in Envoy sidecar when processing large number of concurrent connections
- **fixed** — Fixed issue where Istio control plane would not properly reconcile VirtualService resources after certain configuration changes
- **fixed** — Fixed crash in istiod when processing malformed ServiceEntry resources

[Artifacts](http://gcsweb.istio.io/gcs/istio-release/releases/1.30.4/)
[Release Notes](https://istio.io/news/releases/1.30.x/announcing-1.30.4/)