QR Package v1.7.1.zip is a release file of the Minecraft resource pack [Immersive Railroading] - Queensland Rail Collection, made for Minecraft 1.12.2. It was published on August 28, 2021 and is 102.4 MB in size. For the full description, screenshots and every other version, visit the [Immersive Railroading] - Queensland Rail Collection resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.