Zephyr Version Compatibility

Compatibility Levels

Each Zephyr SDK "minor" version is associated with and guaranteed to be compatible with a Zephyr "minor" version.

For example, SDK 1.0.0 is associated with and guaranteed to be compatible with Zephyr 4.4.x.

1.1

• SDK 1.1.x releases are guaranteed to be compatible with the upcoming Zephyr 4.5.x releases.

1.0

• SDK 1.0.x releases are guaranteed to be compatible with the upcoming Zephyr 4.4.x releases and the current main.

0.17

• SDK 0.17.x releases are guaranteed to be compatible with Zephyr 4.2.x and 4.3.x releases.

0.16 (LTS)

• Long Term Support (LTS) release for Zephyr LTS3 (v3.7)
• Guaranteed to be compatible with Zephyr v3.7 (LTS3)

Zephyr-SDK Version Compatibility Matrix

Please refer to the following Google Sheet for the full Zephyr-SDK Version Compatibility Matrix:
https://docs.google.com/spreadsheets/d/1wzGJLRuR6urTgnDFUqKk7pEB8O6vWu6Sxziw_KROxMA

Notes

The compatibility matrix shall:

• list all currently supported Zephyr releases.
• list, at least, the last three releases of the Zephyr SDK.
• provide comments for any listed incompatibilities.