This is the best summary I could come up with:

Apple's macOS has been the second most popular operating system on the Steam game distribution platform for a long time, but that has now changed.

Linux has surpassed macOS for the number two spot, according to Steam's July user hardware survey.

Steam regularly asks its users to give an anonymized look at their hardware, and the company makes the information it gathers available each month.

The Steam Deck was first released a while ago, but it only became widely available without a waiting list last October.

It worked with game publishers to see high-profile releases like Resident Evil Village and No Man's Sky in recent months, and those games run pretty well on modern Macs—certainly better than similar titles on Intel-based Macs with integrated graphics chips.

It also announced a new gaming porting tool in an upcoming version of macOS that works in some ways like Proton, as seen on the Steam Deck.

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