The file is a specific build of the Custom Shaders Patch (CSP) for the racing simulator Assetto Corsa . This "lights-patch" naming convention is typically used for preview builds released by the mod's lead developer, Ilja Jusupov (x4fab), often via Patreon . Key Features of v0.1.80-preview1
As a "Full" preview version, this file unlocks advanced graphical and technical enhancements not found in the standard public releases of CSP.