Data miners suggest this version number originates from a specific scene release group that recompiled the Remastered assets (which launched in late 2024) with a custom executable. The "1589" likely refers to a specific build hash tied to the game's core engine (Decima) before the post-launch stability patches. In essence, v1589 is a hybrid —it uses the high-resolution textures, improved lighting, and DualSense haptic feedback of the Remastered edition, but rolls back certain DRM checks found in versions 1.12 and above.
Resolved issues with Steam Input that previously caused intermittent loss of controller functionality on handheld devices. horizon zero dawn remastered update v1589 portable