The impossible Steam Deck update just dropped.

https://subscribeto.me/videos/watch/a401040e-822e-4660-81b1-628ce8f3a8ef

Valve have released SteamOS 3.7.0 Preview, which they noted has the beginnings of support for non-Steam Deck handhelds! So we're closing in on the previously announced Beta for more handhelds. Although this release is still just for Steam Deck.
https://www.gamingonlinux.com/2025/03/steamos-3-7-0-preview-brings-the-beginnings-of-support-for-non-steam-deck-handhelds/

No Rest for the Wicked from Moon Studios just got a dedicated performance fix in the latest SteamOS Beta update for Steam Deck.
https://www.gamingonlinux.com/2025/03/steam-deck-steamos-3-6-24-beta-gets-a-performance-fix-for-no-rest-for-the-wicked/

In a surprise turnaround after previously stating the Steam Deck would not be supported for Assassin’s Creed Shadows, Ubisoft have now said it actually will be.
https://www.gamingonlinux.com/2025/03/ubisoft-announce-steam-deck-support-for-assassins-creed-shadows-at-launch/

With Microsoft pushing to improve Windows on handhelds, and reportedly working with a specific partner on an Xbox-branded gaming handheld, Valve should be watching closely with their Linux plans for Steam Deck and SteamOS.
https://www.gamingonlinux.com/2025/03/i-hope-valve-are-watching-closely-with-microsoft-working-towards-an-xbox-handheld/

I hope Valve are watching closely with Microsoft working towards an Xbox Handheld https://www.gamingonlinux.com/2025/03/i-hope-valve-are-watching-closely-with-microsoft-working-towards-an-xbox-handheld/

Steam Deck SteamOS 3.6.23 Beta "Beak Visible" is available now for people to test in the Beta and Preview channels.
https://www.gamingonlinux.com/2025/03/steam-deck-steamos-3-6-23-beta-released-with-fixes-for-rendering-issues-with-avowed/