Steam Deck receives a major update: what has changed in Valve's system

Translated with AI from the Russian original.

SteamOS 3.9 has received fresh versions of KDE Plasma and the Linux kernel, and now also runs better on third-party devices.

Valve has released a stable version of SteamOS 3.9 for Steam Deck and other devices: the update changes the KDE Plasma desktop environment, updates the Linux kernel, and expands hardware compatibility.

The main change is the switch from KDE Plasma 6.4.3 to version 6.7.3 in desktop mode. The update improves search in Krunner, allows pinning items in the clipboard, and expands support for graphics tablets.

The system also moves to a newer version of Arch Linux and Linux kernel 7.2, gaining performance and hardware compatibility improvements. Valve has updated networking components, improved bootloader compatibility with third-party motherboards and unofficial builds, and enabled access to lock screen customization in desktop mode.

SteamOS 3.9 introduces preliminary hibernation support, although this feature cannot be used yet. The update also expands hardware compatibility for those installing the system outside the Steam Deck.

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