Warning: Back up your original GTA5.exe first.
Rockstar Games uses incremental build numbers. Version 103501 (often written as 1.0.1035.1) was released around July 2019. Key characteristics: gta 5 version 103501 mods
Search for "GTA V 1.0.350.1 Full Patch Notes" and "Legacy Script Hook V" on the GTAForums. Happy modding. Warning: Back up your original GTA5