3DF 30.70

Overview

For the Visualize 3DF 30.70-LTS release, the focus is on enterprise-grade security, high-performance data processing, and critical stability for virtualized and WPF environments. Here are the most important highlights from this release.

What’s New in 30.70-LTS

Enterprise Security and Core Stability

This release delivers a significantly hardened security profile and resolves deep-seated stability issues that were blocking long-term support upgrades for key partners.

  • Hardened 3DF Stream Interpretation: To eliminate potential buffer overflow vulnerabilities, insecure string and buffer operations were replaced with secured, bounded functions throughout the HSF file-reading path.
  • Critical Security Library Upgrades: libtiff 4.7.2 was integrated to resolve multiple high-severity vulnerabilities (including CVE-2026-4775), ensuring compliance with modern security audits.
  • Restored Linux Cluster Compatibility: By removing an unintended direct dependency on libOpenGL.so, support was restored for GPU-less and null-driver Linux clusters, a critical requirement for large-scale simulation environments.
  • Virtualized Environment Stability: VRAM resource management for point sprites was optimized, eliminating high-priority crashes specifically encountered when running Visualize in virtualized (VM) environments.

High-Performance Data and Geometry Handling

Significant optimizations were made to the core processing engines to handle massive datasets and complex geometric operations more efficiently.

  • Accelerated OOC Ingestion: The OOC preprocessor now features optimized string parsing and conversion algorithms, resulting in drastically faster ingestion times for large point cloud datasets.
  • Fluid Interaction with Cut Geometry: Transformations applied to cut geometry were optimized, ensuring that translating large models with active cutting planes remains fluid and responsive.
  • Robust Large Texture Support: New size-handling logic in the OpenGL2 driver prevents crashes when loading and converting extremely high-resolution textures.

Interaction and Platform Refinements

These updates focus on the reliability of the user interface and the precision of visual interactions across desktop and web platforms.

  • Reliable WPF Application Recovery: A new buffer recovery mechanism ensures that WPF-based applications recover instantly from system sleep or screen locks, eliminating intermittent white-screen and crash issues.
  • Deterministic Rendering for Complex Text: By implementing an ordered mapping system, issues where text would fail to display correctly when anti-aliasing was disabled were resolved.
  • Visualize Web Integration: The release includes an upgrade to Visualize Web (HVW) 2026.6.0, bringing the latest web-based visualization capabilities to the 3DF and HPS ecosystems.

Technology Update

Platform Changes

  • The minimum supported Linux platform configuration for both x86_64 and ARM is glibc 2.28 and gcc toolset 10 (10.3.1), equivalent to Red Hat Enterprise 8.10.
  • See the platform deprecation announcement under the Deprecations section.

Third-Party Library Updates

Library New Version
libtiff 4.7.2

Library Compatibility Information

Library Name Version Windows Linux OS X Notes
DGN Direct 4.2 supported unsupported unsupported  
HOOPS Communicator 2026.6.0 supported unsupported unsupported HTML HIO only works with Visual Studio v142.
HOOPS Exchange 2026.6.0 supported supported unsupported  
HOOPS Luminate 2025.3.0 supported supported supported  
.NET Framework 4.8 supported unsupported unsupported Required for VS 2019 libraries and samples.
.NET Standard 2.0 supported unsupported unsupported Required for VS 2019 and 2022 libraries.
.NET Core 8.0 supported unsupported unsupported Required for VS 2022 samples.
Parasolid 35.1 supported supported unsupported  
Qt 6.5.3 supported unsupported unsupported  
Qt 5.12.7 unsupported supported unsupported Visualize is compatible with Qt 5.4 only on OSX
RealDWG 2023 supported unsupported unsupported RealDWG 2023 is only compatible with Visual Studio 2019 (v142 toolchain)
RealDWG 2025 supported unsupported unsupported RealDWG 2025 is only compatible with Visual Studio 2022 (v143 toolchain)
SketchUp 2023 supported unsupported unsupported 64-bit Windows only. Requires Visual Studio 2019 Redistributable.

Deprecations

  • Platform Deprecation Announcement: Support for macOS on Intel architecture will be discontinued starting with 3DF 32.00 and 30.80-LTS due to the end of support in macOS 27.

Fixed Bugs

Issue Description
SDHV-21622 Prevent point sprite to use VRAM if resources are not sufficient in GeoDL
SDHV-21609 Guard against depth peeling when doing selection
SDHV-21582 The Opengl library now loads correctly on GPU-less/null-driver hosts.
SDHV-21554 Prevents crashes in the OpenGL2 driver when loading very large textures by adding proper size handling in the texture conversion paths.
SDHV-21552 Prevents crashes in the OpenGL2 driver when loading very large textures by adding proper size handling in the texture conversion paths.
SDHV-21541 Using an ordered map ensures deterministic drawing order within a batch, resolving the text display issue when anti-aliasing is disabled.
SDHV-21527 Guarded double points usage
SDHV-21465 Fix text border visibility when multiple cases were enabled
SDHV-21462 Abnormal float calculation was happening is this cases, now refuse the computation if impossible
SDHV-21460 Fix segdl batching with adjust condition
SDHV-21399 Improve string line parsing and conversion to use a better and more performant library and algorithm
SDHV-21375 Fix world clipping all behind the eye that previously left clip rendition in a bad state
SDHV-21117 Provide a new HD3DImage.cs to fix gray screen hapening because of a stale buffer