Open Cascade continues publishing Open CASCADE Technology (OCCT) maintenance releases. The next OCCT maintenance release (version 7.5.3) is prepared.
The sources of Open CASCADE Technology 7.5.3 are available under the V7_5_3 tag in the OCCT repository.
This maintenance release fixes the following critical problems:
- 28572: Modeling Algorithms – Wrong result of the mkface command [Minor]
- 29645: Modeling Algorithms – Hang on making pipe shell using BRepOffsetAPI_MakePipeShell [Crash]
- 31147: Modeling Algorithms – BRepOffsetAPI_MakePipeShell null access [Minor]
- 32088: Modeling Algorithms – Empty result of offset operation in mode “Complete” join type “Intersection” [Minor]
- 32291: Modeling Algorithms – General Fuse produces the wrong number of solids [Minor]
- 32307: Modeling Algorithms – Empty result of offset operation in mode “Complete” Joint type “Intersection” [REGRESSION since 7.3.0]
Publication date: August 05, 2021.


The new release of added-value components for OCCT 7.7.0 provides around 100 bug fixes over the previous release.

Open CASCADE Technology 7.7.0 is published featuring about 250 improvements and corrections over the previous minor release 7.6.0.

OCCT Research and Science publications collection is updated with 200+ articles