According to release notes circulating on tracker sites (mirroring official patches), “Update 1” addresses critical elements for the VR experience:
Metro Awakening is a rare AAA VR title—a 10+ hour campaign. Ironically, the “Update 1” crack may have helped the game more than it hurt. On numerous subreddits, users who downloaded the RUNE release reported buying the game after experiencing the first two chapters, citing the initial crack’s bugs as the reason they needed to test it first. Metro Awakening VR Update 1-RUNE
Disclaimer: This article is for informational purposes on digital rights and release culture. Piracy harms developers. Always support official releases. According to release notes circulating on tracker sites