In the next beta release of the Steam client an error due to which the Linux assembly of the program crashed when preparing data about the user's environment used, on the basis of which statistics are calculated . that the fixed issue was one of the reasons for the low share of Linux in Steam reports, as attempts to send data from Linux users ended with the crash of the application. In the December report from Steam, the share of Linux was only 0.67%.
Supplement: fixed by Arch Linux and Gentoo users since the beginning of the year, but similar crash reports since 2017 and also affected ΠΈ .
Source: opennet.ru