When you see "VEH2 sample pack upd," it generally refers to a refined version of the original library. These updates often address the technical shortcomings of older sample packs:
is a highly influential sample pack produced by Vengeance Sound that became a staple in EDM production during the 2010s. While there is no official "VEH2 Update" currently released as a separate product, the "upd" reference typically refers to the reFX / Vengeance Sound transition of their libraries to modern formats or legacy updates that bundled fixed metadata and loops. Overview of VEH2
Features "mini construction kits" with separated synth and bass loops.