Note: The numbers in your link (131123) correspond to the European date format (13/11/23), and (149150) refers to the specific build version number assigned to this patch.
Second, Rockstar is likely stress-testing new engine code for GTA 6 . The way patch handles texture streaming and memory allocation is rumored to be a backport of technology designed for their next-generation engine. red dead redemption 2 update 131123 149150 link