0.3.0 rc3 released! With pleasure the third release candidate of IfcOpenShell.org 0.3.0 has been released.
If no new major show-stoppers are encountered this release will become the official 0.3.0 version after a period of testing. Since the previous release candidate several issues have been addressed. IfcOpenShell. Start Page of IFC2x3 Final Documentation. IAI Industry Foundation Classes. Overview EXPRESS source and associated files for IFC 2.x3 TC1 protocol, developed by the International Alliance for Interoperability, now called buildingSMART.
You can also find more information on the older older IFC 2x2 and newer IFC4 models. Programming Libraries.