GSC granted a specific window (June to October 2024) for standalone mods like Anomaly to become compliant with their new standards to avoid being "outlawed".
S.T.A.L.K.E.R. Anomaly exists in a unique legal landscape that defies the usual "cease and desist" fate of large fan projects. While it is a standalone game that uses copyrighted assets from the original trilogy, it is considered legal primarily because of the explicit of the original developers, GSC Game World. The Foundation of Legality: GSC's Permission how is stalker anomaly legal