After a few days delay, the Steam Hardware Survey has now been updated with the latest numbers and Linux is still just about holding above 1%.
It has seen another small drop though of 0.04% so the Linux user share is now at 1.02%. As you can see on our dedicated Steam Tracker.
As a reminder, this survey is opt-in and currently it isn't clear how the Steam Deck that uses SteamOS 3 Linux will affect it. Valve couldn't give a clear answer when asked about it during my original review. I was told it would show up as Linux, but when asked if it would show the survey in Gaming Mode / Deck UI, it didn't sound like it would yet as it's not a priority to add it in. Which is fair, Valve have a huge amount they need to get fix up right now with various bugs and quirks.