Scripting backends

Unity has two scripting back ends: Mono and IL2CPPA Unity-developed scripting back-end which you can use as an alternative to Mono when building projects for some platforms. More info
See in Glossary (Intermediate Language To C++), each of which uses a different compilation technique:

• Mono uses just-in-time (JIT) compilation and compiles code on demand at runtime.
• IL2CPP uses ahead-of-time (AOT) compilation and compiles your entire application before it runs.

This section contains further information about these back ends:

Additional resources

• Unity .NET features
• Build profilesA set of customizable configuration settings to use when creating a build for your target platform. More info
  See in Glossary