Compatibility status

Check support before applying a theme. The desktop client remains the source of truth for the installed Codex version.

Get the client
Current release

macOS and Windows clients

Both clients include verified local detection, download integrity checks, reduced-motion handling and a complete restore path.

Desktop support matrix

The installed Codex version is checked locally. The website does not infer compatibility from browser information.

PlatformClient buildLocal verificationRelease stateAction
macOS 13+Apple silicon / IntelOpenAI signature + runtime markersUnsigned local releaseOpen guide
Windows 10 / 11x64Store identity + runtime markersUnsigned local releaseOpen guide

Known issues will be specific

Each issue will identify the affected version, visible symptom, workaround and verification state.

Restore first when uncertain

If compatibility is unknown, return to the official appearance before updating or troubleshooting.