Megapack (January FIX) is a release file of the Minecraft resource pack Real drinks Vending machine MEGAPACK (1.15+ including 1.20.4), made for Minecraft 1.16-Snapshot, 1.17.1, 1.16.3, 1.19.3, 1.20.2, 1.16.1, 1.18.1, 1.19.4-Snapshot, 1.17, 1.20.2-Snapshot, 1.20.5-Snapshot, 1.15 and more. It was published on January 2, 2020 and is 0.3 MB in size. For the full description, screenshots and every other version, visit the Real drinks Vending machine MEGAPACK (1.15+ including 1.20.4) resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.