The Zephyr project supports the following versions with security updates:
- The most recent release, and the release prior to that.
- Active LTS releases.
At this time, with the latest release of v3.0.0, the supported versions are:
- v2.7.0: Current LTS
- v2.7.0: Prior release
- v3.0.0: Current release
Please see our Security Vulnerability Reporting page for details on the process.