Source-backed version compatibility
Envoy Gateway Envoy Proxy version compatibility. Envoy Gateway v1.9 lists the Envoy Proxy 1.39.x release series in the official compatibility matrix; each gateway release is tested against…
Quick answer
Supported and tested versions have compatibility evidence. Recommended and bundled versions describe upstream choices without establishing compatibility. Versions outside the documented coverage are unknown, not necessarily incompatible.
Tested Envoy Proxy versions
Envoy Gateway v1.9 lists the Envoy Proxy 1.39.x release series in the official compatibility matrix; each gateway release is tested against that Envoy minor version.
The EnvoyProxy image setting allows independent selection. The matrix tests the listed minor version; other Envoy minor versions are untested and may reject generated configuration.
high confidence · verified 2026-10-08 · independently selected data plane
Tested Envoy Proxy versions
Envoy Gateway v1.8 lists the Envoy Proxy 1.38.x release series in the official compatibility matrix; each gateway release is tested against that Envoy minor version.
The EnvoyProxy image setting allows independent selection. The matrix tests the listed minor version; other Envoy minor versions are untested and may reject generated configuration.
high confidence · verified 2026-10-08 · independently selected data plane
Primary evidence
Every constraint above is backed by upstream documentation, tagged source, release notes, or another project-owned primary source.
compatibility.fyi