Valve keeps widening the reach of its Linux-based operating system. The latest beta release, SteamOS 3.8.25, adds initial gamepad support for several new non-Valve devices. It improves compatibility for others. This incremental step follows a larger update in June that already brought broad enhancements across AMD and Intel platforms.
The changes arrived quietly over the weekend. They target handhelds that have proliferated since the Steam Deck first proved the category’s appeal. MSI’s Claw 8 EX AI+ receives initial gamepad support. So do Ayaneo’s Pocket S2 and the Konkr Fit. Older MSI Claw models see better integration. The OneXPlayer line gains refinements too. And Valve updated the Linux driver for its own Steam Controller. Now it works more readily with native controller applications on third-party systems.
But this isn’t a sudden flood of official backing. Far from it. Valve moves with caution. Only the Steam Deck, the recently launched Steam Machine, and Lenovo’s Legion Go S carry the “Powered by SteamOS” label. Everything else falls into enhanced or experimental categories. Users can install the OS. They shouldn’t count on perfection out of the box. Feedback flows back to Valve through its support channels. The company states plainly on its SteamOS page that it continues broadening support. Recent updates to Steam and version 3.8 have improved compatibility with other AMD-powered PCs, both handhelds and desktops.
This approach stands in contrast to the Windows-dominated handheld market. Manufacturers ship devices with Microsoft’s OS by default. Drivers, power profiles, and control schemes get tuned for it. SteamOS demands different work. Valve must adapt its stack device by device. The payoff? A consistent experience rooted in the Steam interface. Proton handles a vast library of titles. Suspend and resume work reliably. Desktop mode offers full Linux flexibility when needed.
Earlier this year the picture looked narrower. SteamOS 3.8 preview builds in March first signaled initial support for upcoming Steam Machine hardware. They also delivered better compatibility for recent Intel and AMD platforms. Ars Technica reported at the time that the update improved third-party controller accessories and newer AMD chips like the Ryzen Z2 Extreme. Devices such as the Asus ROG Ally, Lenovo Legion Go variants, and the MSI Claw benefited. One of the rare Intel-powered handhelds finally received attention.
By June the stable SteamOS 3.8 release had landed. It switched to KDE Plasma 6, made Wayland the default, and moved to a newer Arch Linux base with kernel 6.16. Hardware gains stood out. Support expanded to the full Asus ROG Ally line, including audio and TDP controls. Lenovo Legion Go models picked up better controller handling and early charge-limiting features. The MSI Claw earned full controller support. Niche players from OneXPlayer, GPD, Anbernic, and others received fixes. OSTechNix outlined the list in detail. A point release soon after added an EFI variable mechanism. Third-party devices could now trigger the SteamOS boot menu directly. No more guessing.
Shattered.io took the analysis further. Its July report noted that SteamOS 3.8 marked the broadest wave of third-party hardware support yet. The Lenovo Legion Go S became the first non-Valve device to earn official “Powered by SteamOS” branding. Lenovo even began offering a SteamOS configuration of the Legion Go 2. The site highlighted how Valve’s changes made non-Valve hardware closer to first-class citizens. Performance comparisons against Windows 11 appeared on multiple devices. In some cases SteamOS delivered advantages in frame times and efficiency.
Tech Insider.org published a thorough breakdown on June 24. It confirmed the June 18 stable drop and the 3.8.11 point update two days later. Preliminary charge limiting arrived for the Legion Go family. Controller, TDP, and speaker audio support improved on the ROG Ally X and related models. Intel handheld support had debuted in earlier betas within the 3.8 cycle. The article stressed that Valve tunes the OS device by device rather than issuing blanket guarantees. Its coverage remains one of the most granular accounts of the transition.
The August beta builds on that foundation. Ars Technica returned to the topic on August 10 with fresh details from the 3.8.25 notes. Initial gamepad support for the MSI Claw 8 EX AI+ stands out because the device uses Intel’s Arc G3 graphics. Previous Intel work had been limited. Ayaneo’s Pocket S2, aimed partly at Android but equipped with capable AMD silicon in some variants, now sees controller attention. The Konkr Fit joins the list. Improvements to older Claw units and the OneXPlayer series close small gaps that lingered after the June release.
PC Gamer covered the same beta. It emphasized the “initial gamepad support” phrasing. This indicates basic functionality rather than full optimization. The update also fixed a CPU performance degradation after sleep on Steam Machine hardware. Valve clearly splits its attention between its own upcoming or recent products and the growing third-party crowd. The report noted the specific models and the modest but meaningful step forward.
Discussions on X reflect cautious optimism. Posts from Monday and Tuesday pointed back to the Ars Technica and Slashdot coverage. One user highlighted the MSI Claw 8 EX AI+ alongside Ayaneo Pocket S2 and Konkr Fit. Another shared a review of SteamOS running on generic PC hardware now that support has widened. Enthusiasts experiment. Some install the OS on mini-PCs or older laptops. Results vary. Proton covers many games. Yet hardware-specific quirks around Wi-Fi, Bluetooth, or power management can surface without official tuning.
Valve’s strategy appears deliberate. It avoids promising too much too soon. The company licenses the “Powered by SteamOS” badge only after sufficient validation. OEMs must contact Valve directly for partnership. In the meantime the open-source roots of the Arch Linux base allow community efforts to fill gaps. Tools and install guides exist for advanced users. Still, the official path remains preferred for reliability.
Look at the timeline. SteamOS spent years tied almost exclusively to the Deck. The 2025 updates began opening doors for select partners. 3.8 in 2026 accelerated the process. Intel support arrived. Steam Machine preparation intensified. Now this month’s beta nudges the frontier outward again. Each release adds a handful of devices or polishes existing ones. The list grows. MSI, Lenovo, Asus, Ayaneo, OneXPlayer, GPD. The names multiply.
Competition in the handheld space has intensified. Windows remains the default for most vendors. They optimize around it. Valve’s counter lies in consistency, a tailored interface, and access to its store and social features without extra layers. Battery life and thermal behavior sometimes favor the Linux stack. Earlier Ars Technica testing on the Legion Go S found games running faster on SteamOS than Windows 11 in certain scenarios. Such findings encourage more manufacturers to explore preinstallation options.
Challenges persist. Fragmentation across dozens of handheld models creates a support headache. Screens differ. Controls vary. Chipsets range from AMD’s latest APUs to Intel’s Arc-equipped parts. Valve cannot test everything. Hence the careful language of “initial” and “improved” support. Users who venture outside certified devices accept some risk. They also provide valuable telemetry. Valve watches. Future betas incorporate those lessons.
The Steam Machine’s return adds another dimension. After years away, the living-room focused hardware ships with native SteamOS. The August beta’s sleep fix shows ongoing attention there. Desktop and handheld lines of development feed each other. Shared kernel, drivers, and user interface elements accelerate progress across categories.
Industry watchers see a slow but steady march. No single update delivers universal compatibility. Instead Valve chips away at barriers. The 3.8.25 beta represents one more iteration. Gamepad handling for the MSI Claw 8 EX AI+ opens the door for Intel’s latest handheld silicon. Support for Ayaneo and Konkr devices broadens the AMD side. Refinements to OneXPlayer and legacy MSI units reduce friction for early adopters.
Whether this pace satisfies enthusiasts or attracts more OEM partners remains to be seen. Valve rarely comments on future roadmaps beyond the patch notes. Its actions speak. Another beta will drop. More devices will appear in the notes. The circle of supported hardware expands. One careful step at a time.