Simplygon

Third-party tools for mesh simplification and merging that have been integrated into Unreal Engine 4.

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As of engine release 4.22, UE4 support for Simplygon has been deprecated and will no longer be supported. You can continue to get updates from Simplygon but will have to do your own integration into the engine. As an alternative, we have our own internal solution which you can read more about on the Skeletal Mesh Simplification documentation pages.

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Welcome to the new Unreal Engine 4 Documentation site!

We're working on lots of new features including a feedback system so you can tell us how we are doing. It's not quite ready for use in the wild yet, so head over to the Documentation Feedback forum to tell us about this page or call out any issues you are encountering in the meantime.

We'll be sure to let you know when the new system is up and running.

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