This is a shit-tier post. Why hide the relevant information that’s 2 sentences long?
Relevant information:
Better integration with Steam. By default the Steam Deck uses KDE as the desktop mode. This inherently means it receives updates from Valve in terms of desktop related fixes, and they are actively working with KDE developers to bring updates to KDE (reddit.com/…/is_there_any_cooperation_with_valve_…)