From GTABOOM: “Recently we reported on one enterprising Grand Theft Auto Online fan who, armed only with a simple disassembler and plenty of programming knowledge, managed to singlehanded reduce GTA Online load times by 70%.
It turns out that their relatively simple fix, intended as only a proof-of-concept, is actually applicable and Rockstar Games announced an official implementation, alongside thanking the author.”
Source: N4G PC Rockstar Thanks Fan Who Fixed GTA Online Load Times; Official Update Announced