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What's New in Lotta 2022.1

  • For a list of all the updates in this release, see the release notes.

  • Find more detailed information below about what's new, including links to instructions on using the new features.

Upgrading to Lotta 2022.1

  • Download and install Lotta 2022.1 from here.

  • Cloud License Users - send your upgrade request to There is no need to send any files.
  • Dongle License Users - you must update your license dongle. Send your C2V to For further information, refer to Retrieving a C2V File and Applying a V2C File.

  • If you need to renew your contract and are interested in version 2022.1 contact

Browzwear Physics Watermark

The Physics Watermark is added to fabrics that were tested with the FAB. It is also an indication that the U3M files for fabrics were provided by Browzwear and not an outside source.

For more information, refer to Physics Reference

Alpha Channel

The Alpha channel of the diffuse maps is now exposed. Users can edit and remove an alpha channel or use an external alpha map.

For more information, refer to Managing Alpha Channel

Enhanced 3D Display with Unreal Engine

The integration of the Unreal engine enables very fast ray trace rendering and an improved 3D display that displays high quality shadows and reflections in real time.

For more information, refer to Enhanced 3D Display with Unreal Engine

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