# Unity 4.7.2

The Unity 4.7.2 release brings you support for IPv6. Read the release notes below for details.

For more information about the previous main release, see the [Unity 4.7 Release Notes](https://unity.com/unity/whats-new/unity-4.7.1).

## Release notes

### Fixes

- IL2CPP: Do not allocate data for type initialization during liveness checking. (756912)
- IL2CPP: Properly cleanup when a native thread is cancelled rather than exiting normally (733609)
- iOS: Xcode 7.3 Build & Run.
- iOS: IPv6 compatibility fixes for .NET libraries and IL2CPP runtime.

Revision: a7fe7b7f3d1f