0.12 (for 1.18) is a release file of the Minecraft resource pack Faithful HD [x512], made for Minecraft 1.17.1, 1.18.1. It was published on December 26, 2021 and is 15.4 MB in size. For the full description, screenshots and every other version, visit the Faithful HD [x512] resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.