Software developer from Poland, developing software for professional TV stations. Co-author of widely known fractal software. Modding S.T.A.L.K.E.R. games for almost any kind of aspect - from shaders, through scripts, to textures and sounds.
S.T.A.L.K.E.R.: LOST ALPHA Patch v1.30013 (3rd of May 2014.) The patch is savegame compatible, so You do not have to start new game for this patch, but...
u3shaders 2.1 release. It was widely used being packaged with various big mods, like Narodnaya Solyanka and others.