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Update CMX

Check the installed version and look for a published update:
The check does not install anything. Read the published release notes, then install when you are ready:
CMX verifies a downloaded release against its published checksum. A locally built version or source checkout is not automatically a published update. If cmx upgrade says you are current, there may be no newer public release even if development work exists. If you installed the npm package, update it through the same package manager instead:
Check cmx status after updating. Restart a long-running coding client when its routing settings change. Existing provider authentication remains in the native client; an update does not replace your provider account. To stop using CMX, follow Undo and uninstall before deleting any executable or package.
Last modified on September 24, 2026