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
See in Glossary according to the criteria that you select by filtering, including, or searching:
(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
See in Glossary.
(C) These icons display the status of the package or Asset package:
|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.
|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.
|The import icon indicates that there is an Asset package available to import.|
|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
See in Glossary 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.
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.
See in Glossary 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.
To view the list of versions available for a package:
In the list of packages, click the expander icon to the left of the package name.
If there are updates available, they are displayed along with the See all versions link.
Click See all versions to see the list of all available versions for that package.
You can select any of these versions for the current package and see the details specific to that version in the details view.
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:
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:
However, if the Package Manager detects a problem, such as a missing network connection, the Package Manager displays an error in the status bar:
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:
For information on how to resolve these errors and more, see Error messages.