●Change8

Migrating to Envoy v1.38.3

Version v1.38.3 introduces 1 breaking change. This guide details how to update your code.

Released: 6/23/2026

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Breaking Changes
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Migration Steps
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Affected Symbols

⚠️ Check Your Code

If you use any of these symbols, you need to read this guide:

envoy.network.connection_balance.dlbgrpc_stats filterTcpStatsdSink

Breaking Changes

●Issue #1

The contrib extension "envoy.network.connection_balance.dlb" (Intel DLB connection balancer) is disabled at the Bazel layer for all builds and platforms due to a source archive breakage. Local workarounds are available via https://github.com/envoyproxy/envoy/issues/45491.

Migration Steps

  1. 1
    If using the Intel DLB connection balancer, note that it is disabled by default; consult https://github.com/envoyproxy/envoy/issues/45491 for local workarounds if needed.

Release Summary

This release primarily focuses on numerous security fixes across various components, including Authz, HTTP/3, TLS, and various filters. It also disables the Intel DLB connection balancer extension by default.

Need More Details?

View the full release notes and all changes for Envoy v1.38.3.

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