ETA for deprecating Java 17

Question

Confirmed affected versions: 2025.03

After updating TeamCity to 2025.03, the following health report warnings are displayed.

The version of Java used by some of the agents will no longer be supported in future versions of TeamCity. Please upgrade Java to version 21.

This TeamCity server is running under Java 17. This version of Java will no longer be supported in future versions of TeamCity. Please upgrade Java to version 21.

Is there an ETA for deprecating Java 17?

Answer

The support for Java versions prior to 21 on both agents and the server was disabled in TeamCity 2026.1.

Additional information

Install Non-Bundled Version of Java