Valve and Collabora have released the first public preview of Holo Core, an operating system built on a 64-bit Arm architecture. This software update matters because it lays the groundwork for the upcoming Steam Frame VR headset. Developers and hardware enthusiasts can now examine the underlying system that will likely power Valve's next generation of virtual reality hardware.
Developers can now test the Arch Linux base for the upcoming VR headset
Holo Core functions as a specialized port of Arch Linux designed specifically for aarch64 processors. The project addresses a gap in the open-source ecosystem where upstream Arch Linux lacks official support for this Arm instruction set. Valve intends for this software to potentially serve as the foundational operating system for the Steam Frame device.
Building the system required manual calculation of build orders to resolve complex dependency trees for the aarch64 architecture. Collabora provided a base-devel container to help developers test their software within this environment. Compiled packages for the system are available through a dedicated SteamOS package server.
The current release is a technical preview rather than a complete or general-purpose Arm edition of the operating system. It is not yet a consumer-ready SteamOS image intended for end-users. The software focuses on providing a stable base for development and testing rather than offering a finished consumer experience.
Valve has not included any consumer pricing or launch dates for the Steam Frame hardware in this announcement. The release establishes the software foundation but leaves the commercial details of the headset unresolved. This preview signals that Valve is moving forward with its Arm-based VR strategy while keeping hardware specifics under wraps.
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