A new Steam login UI (BETA) : r/Steam

Steam Community :: Guide :: Steam Deck Controller Guide - A Visual Introduction

Steam's Revamped Mobile App With QR-Code Login, New User Interface Now Available to Download on Android, iOS

Steam's Remote Play Together Feature To Bring Online Play To Local, Split- Screen Multiplayer Games

Valve launches SteamVR 2.0 beta with updated UI, Steam chat intergration and more - Neowin

Steam's new Library UI is now available in open beta - here's what's changed - Neowin

Steam Link - Apps on Google Play

Steam Big Picture mode not working [Fix]

So the Steam mobile app's ui has been completely changed in it's beta version. I kinda liked this new Ui of mobile app. You can browse almost everything from mobile app itself.

New steam beta lets you write and save note in the in-game overlay : r/aoe4

New Steam UI Update: What Do You Need To Know - Dataconomy

New UI is great! (and probably it's placebo, but Steam also runs faster with this beta update.) : r/Steam