Features like sorting buttons or "mouse tweaks" for easier crafting.

If you already have the suspicious file:

The file 1vanillaplusv211821192zip likely refers to the resource pack, a popular visual overhaul for Minecraft that bridges versions 1.18.2 and 1.19.2 . This pack, notably created by Marlow, is designed to refine the standard "Vanilla" look with smoother textures and specialized elements for PvP (Player vs. Player) combat. Guide to Vanilla+ V2 Overview of Features