Steam Deck now lets you override display resolution for games

Have some games on Steam Deck that won

New Deck owner! Perhaps a silly question, but why do all games seem to run slightly letterboxed, with no way to use the full resolution? : r/SteamDeck

Steam Deck tricks and tips you need to know about

How to Connect Your Steam Deck to a Monitor

Steam Deck review: the handheld PC capable of console quality gaming

How To Change Steam Deck Resolution / Screen Size! (Docked / Portable Mode)

Granblue Fantasy Versus: Rising Steam Deck Review – A Superb Follow-Up and Brilliant Fighter – TouchArcade

Steam Deck vs. PlayStation Portal: Comparing the Gaming Handhelds - IGN

Valve upgrades the Steam Deck with OLED screen

How to Change Screen Resolution on Steam Deck

Digital Foundry's guide to getting the best out of Steam Deck docked