# 3DF 27.58

## Technology Update

### Library Compatibility Information

Library Name | Version | Windows | Linux | OS X | Notes
--- | --- | --- | --- | --- | ---
DGN Direct | 4.2 |  |  |  |
HOOPS Communicator | 2022 SP1 |  |  |  |
HOOPS Exchange | 2025.1.0 |  |  |  |
HOOPS Publish | 2025.1.0 |  |  |  | Requires support for SSSE3 instruction set.
.NET Framework | 4.0 |  |  |  | v4.5 required for wpf_image and for WPF over Remote Desktop
Parasolid | 32.0.x |  |  |  |
Qt | 5.12.7 |  |  |  | Visualize is compatible with Qt 5.4 on OSX
RealDWG | 2019 |  |  |  | RealDWG 2019 is compatible with Visual Studio 2015 Update 3 and Visual Studio 2017 Update 2
SketchUp | 2021 |  |  |  | 64-bit Windows only. Requires Visual Studio 2019 Redistributable.

## Fixed Bugs

Issue | Description
--- | ---
SDHV-20965 | Some Triangles of Shells are not drawn
SDHV-20909 | Non-cleared Memory decreases Frame Rate by Factor 4
SDHV-20903 | HOOPS V25 is faster than V29.30.
SDHV-20803 | Crash when statistics are displayed
SDHV-20943 | Can’t use pdf3d output handler from Visualize’s Java API
SDHV-20998 | Can use HC_Show_Memory_Usage in Java
SDHV-21008 | SWIG update causes crash of C# applications when using HOutputHandler with a progress callback registered

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