Packages are installed once in a shared location, rather than inside every environment.
Rez is used by various studios in the Animation and VFX industry and is part of the Academy Software Foundation (ASWF) . Packages are installed once in a shared location,
Environments can contain hundreds of packages, yet typically resolve and load in just a few seconds. A specific set of resolved packages can be
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. is an open-source
When a user requests a tool (e.g., rez env maya-2025 ), Rez creates a temporary, lightweight environment that links to the necessary libraries.
A specific set of resolved packages can be locked and reused, ensuring that a scene built today works exactly the same in three years. 3. Key Benefits