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MTE Relay Server v4.6 Release Notes

· One min read
Trevor Blackman
Trevor Blackman
Engineering Director

v4.6 builds on the v4.5 Go rewrite with improved cloud marketplace support, AKS marketplace packaging, and outbound proxy fixes. Application traffic flow is unchanged.

New​

  • Azure AKS marketplace extension. MRS and MAR are now deployable directly from the Azure Marketplace as AKS extensions, with an Azure portal create experience. Redis is no longer required.
  • Dedicated image variants. Purpose-built images for on-prem and for each AWS Marketplace listing, for both MRS and MAR.
  • Docker Scout reports. Documented commands to generate a SARIF vulnerability report and an SPDX SBOM for the relay images.

Changed​

  • Higher outbound pairing concurrency. Default encoder/decoder pairs per outbound target increased from 2 to 24, improving throughput.
  • Updated Go toolchain to Go 1.26.x.
  • Tuned Docker Compose defaults with more realistic resource limits and DOMAIN_MAP examples.

Fixed​

  • Outbound response headers are now forwarded correctly when the relay operates in outbound mode.