Tetrate Istio Subscription / Istio Distro Support and Maintenance

Supported Versions

Tetrate Istio distributions are builds of the community Istio distributions, with a longer support and maintenance window:

The current Tetrate support dates are:

Version	Community End-of-Support Date	Tetrate End-of-Support Date
1.24	August 2025 (Expected)	2026-01-07
1.23	May 2025 (Expected)	2025-10-14
1.22	Jan 2025 (Expected)	2025-07-13
1.21	September 2024	2025-05-13
1.20	2024-06-25	2025-01-14
1.19	2024-04-24	2024-11-05
1.18	2024-01-04	2024-08-03
1.17	2023-10-27	2024-04-14

Technical Support

Tetrate Istio Subscription

Tetrate Istio Subscription subscribers are entitled to Tetrate's premium support and access to the Tetrate Istio Distro (FIPS) binaries, in addition to longer-term maintenance for Istio releases. Please refer to the support contact details provided to you by Tetrate.

Please note that the FIPS-only Istio subscriptions provided by Tetrate do not include technical support.

Tetrate Istio Distro

For community support, join Tetrate's #tetrate-istio-distribution Slack Channel.

For more information on support options, refer to Tetrate Istio Subscription, or contact Tetrate.

Software Updates ("Maintenance")

A Tetrate Istio distribution is a build of the Community Istio Distribution that is supported and maintained by Tetrate. It is built from the official, open-source Istio Software, and a set of base software images that are selected and maintained by Tetrate.

Each Tetrate Istio distribution release is supported and maintained by Tetrate for up to 14 months:

• The Istio software and base images are supported by Tetrate (community and Enterprise technical support) for 14 months
• The Istio software is maintained by Tetrate (updates, bugs and security fixes) in line with Istio maintenance, typically 7 months. Additionally, critical security fixes are backported to earlier supported releases where possible
• The base images are maintained by Tetrate (updates, bugs and security fixes) for 14 months