As a result, you cannot add assembly references directly in Visual Studio because they'll be lost upon reopening the project. sln files for Unity projects each time they're opened. Without it, the compiler will complain that you're missing an assembly reference: NET 4.x profile and want to use HttpClient, you must add an assembly reference for. You can view the assemblies Unity ships with in the MonoBleedingEdge/lib/mono directory of your Unity editor installation:įor example, if you're using the. To use these APIs, you must manually add an assembly reference. NET 4.x profile, some of the assemblies that Unity ships with aren't referenced by default. NET Standard 2.0 setting in the Api Compatibility Level dropdown, all assemblies in the API profile are referenced and usable. Adding assembly references when using the. You can read more about these options in Unity's blog post.

However, some parts of this API may not be supported on all of Unity's platforms. NET 4.x profile if your project requires part of the API not included in the. NET Framework class libraries and supports. It includes all of the code available in the. This profile provides access to the latest. Additionally, Unity has committed to supporting this profile across all platforms that Unity supports. NET 4.x, which is advantageous for size-constrained platforms. NET Standard 2.0 profile published by the. NET 4.x equivalent scripting runtime, you can specify the Api Compatibility Level using the dropdown menu in the PlayerSettings ( Edit > Project Settings > Player). You will be prompted to restart Unity.Ĭhoosing between. Under the Configuration heading, click the Scripting Runtime Version dropdown and select. Open PlayerSettings in the Unity Inspector by selecting Edit > Project Settings > Player. NET 4.x scripting runtime, take the following steps:

Unity 2017.1 or above (2018.2 recommended)Įnabling the.

In the meantime, check out the sections below to learn more about the new features available now with the. For more information and the latest updates on this roadmap, read Unity's blog post or visit their Experimental Scripting Previews forum. And with the release of Unity 2018.3, Unity is projecting to make the upgraded scripting runtime the default selection, and to update even further to C# 7. NET 3.5 equivalent runtime is now considered to be the legacy version.

NET 4.x equivalent runtime is no longer considered experimental, while the older. With the release of Unity 2017.1, Unity introduced an experimental version of its scripting runtime upgraded to a. NET 3.5 equivalent scripting runtime, missing years of updates. That's because before Unity 2017.1, Unity has been using a.

But Unity developers may not be aware of the steady stream of new features added to the C# language and. NET, the technologies underlying Unity scripting, have continued to receive updates since Microsoft originally released them in 2002.

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