Dowbload zips cores and shaders separated of latest retroarch version

RetroArch
#1

I downloaded zip file containing full retroarch for PC

what is the other zip file containing all the updated emulators and cores and containing the updated mame 2000 core + all the updated shaders?

#2

https://buildbot.libretro.com/assets/

Shaders are in frontend and cores in cores directory. Latest

#3

No pack full latest retroarch and latest all cores and all shaders latest?