This is a major new release with many interesting new capabilities and new plugins. Highlights in OpendTect base:

1. Faults and attributes on faults
2. Pre-stack visualization
3. 3D Bodies and Polygons
4. Madagascar processing flow builder (Madagascar installation required)
   
5. Time-depth conversion (recursive attributes)
6. Quick iso-chron maps
   
7. Histograms and amplitude spectra
   
8. Improvements for random lines, cross-plots, scaling and colors, horizon interpolation, data sub-selections, stratal amplitudes and much more.

There are two new commercial plugins supported in v3.2.1:

1. Common Contour Binning (CCB; based on Wintershall technology)
2. Multi-Point Stochastic Inversion (MPSI; by Earthworks / Ark cls).

Furthermore, there are major improvements in some existing plugins:

1. SSIS: new interpretation module and new event-driven chrono-stratigraphy algorithm
2. Neural Networks: Quick UVQ
3. Dip-Steering: Event steering algorithm.