A package is a container that stores various types of features or assets, such as:
Packages deliver a wide range of enhancements to Unity through the Package Manager. To help find and use these packages, the Package Manager window provides collections of packages that you can use together, called feature sets.
In the Editor, you can access the Package Manager window through this menu: Window > Package Manager.
The Package Manager also supports management of packages you download or import from the Unity Asset StoreA growing library of free and commercial assets created by Unity and members of the community. Offers a wide variety of assets, from textures, models and animations to whole project examples, tutorials and Editor extensions. More info
See in Glossary.
Unity provides three Package Manager interfaces: Package Manager window, scripting API, and manifest files. The following table contains introductions to each interface, and more.
| Topic | Description |
|---|---|
| Introduction to packages | Learn the principles and features of the Package Manager, including concepts like versions, manifests, registries, states, sources, the package lifecycle, and dependency and resolution. |
| How Unity works with packages | Get an overview of Unity’s Package Manager. |
| Package types | Learn about the differences between the two package formats that Unity supports. |
| Package states and lifecycle | Learn about the states a package passes through during its lifecycle. |
Packages directory at the root of a Unity project. This differs from most packages which you download from a package server and are immutable. More info