Fastfetch 2.70.0 changes how Disk free space is reported

Fastfetch is a system information tool written mainly in C that runs on Linux, macOS, Windows 8.1 and later, Android and several BSDs. The fastfetch project removed QuickJS scripting and changed what its Disk, Command and Shell modules report in version 2.70.0, released October 14. Configs written for older versions may print different values or stop working.