2026.1.0 - 2026.1.1

Open Inventor 2026.1.1


  • .NET
  • #OIV-6104 Registering a callback with SoVolumeClippingGroup.NotEnoughPassCallback causes the WPF render area to become empty when resized – CAS-70242

  • Core
  • #OIV-6212 Mouse-wheel zooming in one viewer managed by a SceneExaminer can sometimes affect other viewers in a multi-viewer setup.
    #OIV-6220 Memory leak when loading and unloading large buffered shapes in the scene graph

  • Package
  • #OIV-6115 Unexpected D suffix in the FreeType third-party library name of the Debug distribution.

  • Viewer
  • #OIV-3510 Selecting a light node in IvTune causes the viewer to disappear

  • VolumeViz
  • #OIV-6228 When the SoDataRange.mapOnFullColorRange field is set to false, the transfer function is applied incorrectly, resulting in incorrect volume rendering – CAS-70722-D2P8
    #OIV-6230 The rendering of shapes from volume data, such as ortho or oblique slices, may become invisible under certain conditions. – CAS-70727-C2G8
    #OIV-6295 When a volume data changes, or when the camera movement causes the volume to move out of and back into the view frustum, volume rendering may become invisible.
    #OIV-6059 Transparency is not correctly applied to slices of RGBA VolumeData. – CAS-70047

Open Inventor 2026.1.0


  • Readers
  • #OIV-6119 The import and display of a multi-frame DICOM image file is very slow. – CAS-70284