Rez Site

Environments can contain hundreds of packages, yet typically resolve and load in just a few seconds.

is an open-source, cross-platform package manager designed to create isolated, reproducible environments for software packages. Unlike traditional package managers (like apt or pip ) that install software directly into a system environment, Rez manages packages in a central repository and resolves dependencies dynamically at runtime.

Ensuring all artists in a studio are using the exact same version of Maya, Pyblish, and internal tools. Environments can contain hundreds of packages, yet typically

Disclaimer: This write-up refers to the technical package manager tool (AcademySoftwareFoundation/rez) as of 2026, not the 2001 musical video game "Rez" or other slang terms. I can also provide: A sample package.py example. Instructions on how to get started. [rez] Project as Rez package - Google Groups

Rez generates a script that sets up the required environment variables. Ensuring all artists in a studio are using

When a user requests a tool (e.g., rez env maya-2025 ), Rez creates a temporary, lightweight environment that links to the necessary libraries.

Packages are installed once in a shared location, rather than inside every environment. Instructions on how to get started

It is primarily used in to manage specialized software (e.g., Maya, Houdini, Nuke) and their associated plugins/libraries. 2. Core Concepts