SteamOS 3.8.25 beta

SteamOS Adds Gamepad Support for More Handhelds

Three devices gained initial gamepad support—and another received an update.

3 initial additions1 support update

Initial support

MSI Claw 8 EX AI+

Valve added initial gamepad support for MSI’s large Intel-powered handheld in the beta release.

Initial support does not mean full device certification.

Unexpected addition

AYANEO Pocket S2

The Android-based Snapdragon handheld appears in the controller-support list—but this alone does not prove SteamOS can be installed on it.

Initial support

Konkr FIT

Valve added initial gamepad support for the Konkr FIT in the same SteamOS beta update.

Support updated

OneXPlayer Apex

Valve updated gamepad support for the OneXPlayer Apex with new firmware.

4

Why this update matters

The notes include a dedicated “Non-Valve Devices” section, showing Valve’s continued work beyond its own hardware.

3 initial additions1 firmware update

Important limitation

Gamepad support is not full certification

Valve did not announce complete device compatibility or SteamOS certification for these models.

The attraction

SteamOS vs. Windows

SteamOSConsole-like interface and a focused gaming experience.
WindowsBroader software access and established vendor drivers.

Neither is automatically best for every handheld.

What Valve confirmed

Three initial additions, one update

MSI Claw 8 EX AI+, AYANEO Pocket S2 and Konkr FIT gained initial gamepad support. OneXPlayer Apex support was updated with new firmware.

Our takeaway

Linux handheld support keeps widening

This beta does not promise full SteamOS support, but it expands controller compatibility across more hardware.

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Primary source: Valve’s SteamOS 3.8.25 Beta notes, 7 August 2026