Changes since 4.1.0:
https://gitlab.onelab.info/gmsh/gmsh/blob/master/CHANGELOG.txt
* Improved quad meshing
* New options for automatic full-quad meshes
* Save nodesets also for physical points (Abaqus, Tochnog)
* New getPartitions, unpartition and removePhysicalName functions in API
* Small bug fixes.
* fixed full-quad subdivision if Mesh.SecondOrderLinear is set
* Fixed packing of parallelograms regression in 4.1.1.
* Added support for general affine transformations with OpenCASCADE kernel
* Improved handling of boolean tolerance (snap vertices)
* Faster crossfield calculation by default (e.g. for DelQuad algorithm)
* Fixed face vertices for PyramidN
* Renamed ONELAB "Action" and "Button" parameters "ONELAB/Action" and
"ONELAB/Button"
* Added support for actions on any ONELAB button
* Added API functions for selections in user interface.
Reported by: portscout
f4dd1a98e8