faithfulncompat.zip is a release file of the Minecraft resource pack Faithful and Compat 64x, made for Minecraft 1.21.5. It was published on July 17, 2025 and is 2.1 MB in size. For the full description, screenshots and every other version, visit the Faithful and Compat 64x resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.