HPS 2025.4.0
Note
Upcoming Change to Product Package Names
To improve clarity and consistency, HOOPS will adopt a unified naming scheme across all products. New package names will include product, version, platform, architecture, and compiler details. This change will take effect no earlier than the 2025.7.0 release in mid-September 2025.
Technology Updates
Third-Party Library Updates
| Library | New Version |
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| Harfbuzz | 11.0.0 |
Library Compatibility Information
| Library name | Version | Windows | Linux | OS X | Android | iOS | Notes |
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| Android NDK | r18b |  |
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| HOOPS Exchange | 2025.3.0 | |
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Android support is limited. See this explanation. |
| HOOPS Publish | 2025.3.0 | |
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Requires SSSE3 instruction set support, Linux support is limited to C++ |
| HOOPS Communicator HTML Sprocket | 2025.3.0 | |
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HC Sprocket only works with Visual Studio toolset 142. |
| HOOPS Communicator Streaming Sprocket (HCA) | 2025.3.0 | |
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HC Sprocket only works with Visual Studio toolset 142. |
| .NET Framework | 4.8 | |
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Required for Visual Studio v14.2 libraries and samples. |
| .NET Standard | 2.0 | |
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Required for Visual Studio 2019 (toolset 142) and 2022 (toolset 143). |
| .NET Core | 8.0 | |
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Required for Visual Studio 2022 (toolset 143). |
| Parasolid | 35.1 | |
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For iOS platforms, support is limited to 64-bit platforms for the Parasolid Sprockets (hps_sprk_parasolid and hps_sprk_exchange_parasolid). |
| RealDWG | 2023 | |
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RealDWG 2023 is only compatible with Visual Studio 2019 (v142 toolchain) |
| RealDWG | 2025 | |
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RealDWG 2025 is only compatible with Visual Studio 2022 (v143 toolchain) |
| Qt | 5.12.7 | |
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| SketchUp | 2023 | |
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VS2019 Redistributable required, and only x64 Sketchup is supported |
Functional Changes
- OBJ file output and input now handles all transparency modes supported in HPS (Full, Diffuse Alpha, RGBA).
- Selection within a text region now permits selection within the entire region regardless of the text alignment specification.
Fixed Bugs
| Issue | Description |
|---|---|
| SDHV-21136 | Replacement of shell points now invalidates strip boundings. |
| SDHV-21124 | HPS was not checking all the transparency types. |
| SDHV-21118 | Fix the update of text bounding box with text region. |
| SDHV-21080 | HarfBuzz 8.5.0 has CVE-2024-56732. |
| SDHV-20972 | RAM is not sufficient to handle anti-aliasing. |
