Build 131123 predates some of the more aggressive DRM checks implemented in mid-2020. Many users seeking this version want an offline, portable installation that does not require phoning home to Rockstar’s servers. This is particularly useful for gamers with unstable internet, Steam Deck users in offline mode, or those who want to preserve the game against a future update that might remove content (music licenses, for example).
: Some mods might violate the terms of service of the game or even be illegal. Rockstar Games has a clear stance on modding, generally allowing modifications for single-player experiences but prohibiting them for online play to maintain a fair and safe environment for all players. red dead redemption 2 version 131123 multi13 link
“Name’s . I’m a beta tester. We’re all stuck in this loop. The game’s got us tied together—no respawn, no exit. The only way out is to finish the 13‑link .” Build 131123 predates some of the more aggressive
The RDR2 modding community is incredibly active. Some complex total conversion mods, script hooks, or graphical overhauls were built specifically for older versions of the game engine. Updating the game can break these mods, prompting players to seek out exact older builds where their favorite mods function perfectly. : Some mods might violate the terms of

