Version: 2020.1
Package Manager window
Details view

List view

The Package Manager window displays the list of packages or Asset packagesA collection of files and data from Unity Projects, or elements of Projects, which are compressed and stored in one file, similar to Zip files, with the .unitypackage extension. Asset packages are a handy way of sharing and re-using Unity Projects and collections of Assets. More info
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according to the criteria that you select by filtering, including, or searching:

The image on the left displays all available packages, and the image on the right displays all Asset packages
The image on the left displays all available packages, and the image on the right displays all Asset packages

(A) Select these expander icons to show and hide the list of versions available.

(B) The package version displays the version of the package that’s installed. If the package is not yet installed, the version that appears is the recommended version.

For Asset packages, the version that appears is either the version you already downloaded or the version that is available for download from the 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
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.

(C) These icons display the status of the package or Asset package:

Icon: Description
check mark A check mark indicates that the package is already installed or enabled.

Note: Installed Asset packages do not display an icon if they are up to date.
download icon The download icon indicates that the package has an available update. To update your package, follow the instructions for either type of package:

- For Unity packages, see Switching to another package version.
- For Asset packages, see Updating your Asset package.
import icon The import icon indicates that there is an Asset package available to import.
error indicator An error icon indicates that something went wrong during installation or loading. For more advice on resolving errors, see Error messages.

By default, the Package Manager window displays the list of All packages with no Preview packages, but you can filter the list to display only packages installed in your project (including local packages) or display only built-in Unity packages or Asset packages. You can also include Preview packages in the list and search for a specific package by package name, tagA reference word which you can assign to one or more GameObjects to help you identify GameObjects for scripting purposes. For example, you might define and “Edible” Tag for any item the player can eat in your game. More info
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name, or package version.

(D) The status bar displays messages about the package load status and network warnings.

(E) Click the reload button to force Package Manager to reload your packages.

Note: If you select the My Assets scope but you don’t see any packages, see Error messages in the Package Manager window for an explanation and solution.

Including Preview packages

Preview packages do not appear by default in the list of packages on the Package Manager window. This is because preview packagesA preview package is in development and not yet ready for production. A package in preview might be at any stage of development, from the initial stages to near completion.
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might be unstable, so you should not use them in production.

To include preview packages in the list, select Show preview packages from the Advanced drop-down menu.

Show preview packages
Show preview packages

Finding a specific version

To view the list of versions available for a package:

  1. In the list of packages, click the expander icon to the left of the package name.

    List with no preview versions
    List with no preview versions

    If there are updates available, they are displayed along with the See all versions link.

  2. Click See all versions to see the list of all available versions for that package.

    List with preview versions
    List with preview versions
  3. You can select any of these versions for the current package and see the details specific to that version in the details view.

Status bar

The Package Manager displays messages in the status bar at the bottom left of the Package Manager window.

There are typically four status messages that you might see:

  • The first time you open the Package Manager window in a new project, the Loading packages message appears briefly:

    Loading packages message
    Loading packages message

    This message also appears when you click the reload button.

  • Most of the time the status bar displays the date and time of when the Package Manager window last refreshed its information:

    Last update message
    Last update message
  • However, if the Package Manager detects a problem, such as a missing network connection, the Package Manager displays an error in the status bar:

    Network error message
    Network error message
  • If your network connection is working, but you are not signed into your Unity account, the Package Manager doesn’t display any Asset packages. When you try to use the My Assets scope, the Package Manager displays an error in the status bar:

    Logged out of Unity account
    Logged out of Unity account

    In the list view, click the Sign in button to sign into your Unity account through the Unity Hub.

For information on how to resolve these errors and more, see Error messages.

Package Manager window
Details view