# Service Pack 21.13

## Library compatibility information

Library name | Version | Windows | Linux | OS X | Notes
--- | --- | --- | --- | --- | ---
DGN Direct | 3.8.1 |  |  |  |
HOOPS Exchange | 2015 SP2 |  |  |  |
HOOPS Publish | 2015 SP2 |  |  |  |
.NET Framework | 4.0 |  |  |  | v4.5 required for wpf_image v4.5 required for WPF over Remote Desktop
Parasolid | 23.0 |  |  |  |
Qt | 4.6.3 |  |  |  |
RealDWG | 2015 |  |  |  | Visual Studio 2012 only
SketchUp | 2015 |  |  |  |

HOOPS Visualize 21.13 is a bug-fix release only.

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