Later versions of RGSC bundle a full Chromium browser engine to render store pages and news. Version 1.1.7.8 used a lighter, Win32-native interface. This made it significantly faster on low-end and legacy PCs.
For GTA V , however, the single-player component remains playable with 1.1.7.8. The community consensus is that this version will continue to work until Rockstar fundamentally rewrites their authentication protocol—or until the game receives a definitive “final patch.” Rockstar.games.social.club.1.1.7.8