Steamworks SDK v1.64 has been released, and is available for download from . Like any Steamworks SDK release, updating is recommended but not required - older versions will continue to work without issue. Release Notes General androidarm64 libs now statically link libc++. androidarm64 libs now use 16KB max page size (from 4KB). linuxarm64 libs now use 4KB max page size (from 64KB). ISteamApps Added last update timestamp to GetBetaInfo(). ISteamUGC Added MarkDownloadedItemAsUnused().