The latest stable release of Apache Traffic Server is v9.1.0, released on 2021-08-17. In addition, we continue to support the v8.1.x LTS release train, currently v8.1.2, which was released on 2021-06-24. We follow the Semantic Versioning scheme. The goal is to release patch releases frequently, and minor releases as needed. Within the major versions, all such patch and minor releases are all compatible.

When downloading from a mirror, please be sure to verify the hash and OpenPGP compatible signature. To validate the PGP signatures the public keys from the release manager will be needed. You can also browse through all releases and hash signatures.

Current v9.x Release -- 9.1.0

Apache Traffic Server v9.1.0 was released on August 17th, 2021. [PGP] [SHA512]

Traffic Server 9.1.0

v9.1.0 is our latest stable release. Additional details for this release are in the CHANGELOG and the the related Github Issues and PRs.

For details on the v9.x release, please see 9.0.x News. There are also details about upgrading to 9.x.

Current v8.x Release -- 8.1.2

Apache Traffic Server v8.1.2 was released on June 24th, 2020. [PGP] [SHA512]

Traffic Server 8.1.2

v8.1.2 is our current stable release in the previous release train. Additional details for this release are in the CHANGELOG and the the related Github Issues and PRs.

For details on the v8.0.x release, please see 8.0.x News. There are also details about upgrading to 8.x.

Archived Releases

Apache Traffic Server Archive