1.13 is a release file of the Minecraft resource pack Bass Boosted Minecraft (1.8.9-1.19.3-rc3), made for Minecraft 1.13.1, 1.13, 1.13.2. It was published on December 12, 2021 and is 173.7 MB in size. For the full description, screenshots and every other version, visit the Bass Boosted Minecraft (1.8.9-1.19.3-rc3) resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.