As of this post, the Anomaly release candidate is up to 19, boasting notable graphical, audio and performance improvements. Perhaps the most stable experience thus far.
Well done “Anomaly Developers” and thank you.
Anomaly is a standalone S.T.A.L.K.E.R. mod powered by an x64 version of the X-Ray engine.https://www.moddb.com/mods/stalker-anomaly