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Steam Deck gets SteamOS 3.4 update, here’s what’s inside.

The highlights for me: a new horizontal performance overlay that uses the wasted space when you’re running games at 16:9, a fix for weird fan behavior, and the ability to manually eject (read: unmount) SD cards to be extra safe before you yank ‘em. But there’s way more, too.

I wonder if the weird adaptive backlight glitch is why my Duck Game starts stuttering after a few full rounds of play.

Update: I might wait a day to download this one. Valve already had to revert one SD card pathing change and I’m seeing owners complain of missing dual-boot partitions and getting stuck on the boot screen. My Deck sat on that screen for 30 min before I worked up the courage for a hard reset. Seems OK now.