Open Inventor 7.2 Technical Overview
Passwords
New Nodes
New Fields in Existing Nodes
Qt Support Notes

Open Inventor 7.1 Technical Overview
Passwords
New Nodes
New Fields in Existing Nodes
Deprecated methods
Qt Support Notes
Open Inventor Redistribution

Open Inventor 7.0 Technical Overview
Passwords
New Nodes
New Fields in Existing Nodes
New Enum Values for Existing Fields
Reorganization of LDM/VolumeViz
Deprecated methods
ScaleViz
VolumeViz
VolumePro
RTTI (Run-Time Type Info)
Qt Support Notes
Open Inventor Redistribution

Open Inventor 6.1 Technical Overview
Passwords
New Nodes
New Fields in Existing Nodes
New Enum Values for Existing Fields
Qt Support Notes
DirectViz/ScaleViz Dependency

Open Inventor 6.0 Technical Overview
Geographic Service Area
Passwords
Run-time and SDK Licensing Change
New Nodes
New Fields in Existing Nodes
New Enum Values for Existing Fields
ScaleViz Dependency
IvTune Access to Scene Graph
Caching Changes
SoFont Changes
MeshViz Crease Angle
MeshViz PoMesh* Changes
MultiPipe Incorporated in ScaleViz
VolumeViz Deprecated Methods
VolumeViz Redistribution
VolumeViz Clipping
Qt Support Notes
INVENTOR_API Macros [Win32 only]
Open Inventor DLLs[Win32 only]

Open Inventor 5.0
Mercury Acquires TGS
Technical Overview
Passwords
Discontinued Platforms
Packaging Changes
DataViz->MeshViz
New Nodes
New Fields in Existing Nodes
New Enum Values for Existing Fields
Changes to VRML97 Nodes
SoQt Libs and Dlls for Qt3.1.2 [Win32 only]
Third Party Libraries
SoBigImageRenderer Deprecated
TerrainViz Incompatible Changes
VolumeViz Delayed Rendering Flag Default Changed
ivExtInfo Superseded [Win32 only]
Minor Changes
STL Usage

Open Inventor 4.0
General
New "hostid" Used for Licensing
[Win32] Redistribution Requires OpenAL32.DLL
New Fields for Existing Classes
New Enum Values for Existing Fields
New Fields Incompatible with VRML97
Compatibility Headers No Longer Provided
DialogViz Replaces DialogMaster
SoOffscreenRenderer::writeToJPEG Changed
MultiPipe Differences
TerrainViz Differences

Using Open Inventor 3.1 with DataViz 3.7 and other TGS extensions
Using the conversion tool to update your source code
On Windows
On UNIX
List of renamed/moved header files

Other 3.1 Compatibility Notes
Custom actions
SbTime [Win32 only]

Prior Releases
IVF Changes [Win32 only]