PolyStash v1.10.1 is a release file of the Minecraft resource pack PolyStash v1.13 - MC1.20.4, made for Minecraft 1.20. It was published on June 11, 2023 and is 7.9 MB in size. For the full description, screenshots and every other version, visit the PolyStash v1.13 - MC1.20.4 resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.