PolyStash v1.7 is a release file of the Minecraft resource pack PolyStash v1.13 - MC1.20.4, made for Minecraft 1.19-Snapshot, 1.19. It was published on June 20, 2022 and is 15.1 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.