Summary

Current IFC Development Roadmap

Current IFC Release

Feb 2006 : The current IFC Release is IFC2x3, the 3rd Edition of the IFC2x platform. It is now the common implementation platform for all implementors achieving IFC interoperability. The first view definition, the IFC2x3 extended coordination view has been defined and provides the basis for IFC2x3 coordination view certifications.

Jun 2007 : the Modeling Support Group of IAI is publishing the IFC2x3 TC1 release, the first technical corrigendum of the 3rd edition of the IFC2x platform. A technical corrigendum aims at improving the documentation of the IFC specification and allows for corrections of the procedural part of the IFC model (functions, constraint rules), it will not change however the structure of the exchange files, neither the IFC STEP physical file forma, nor the ifcXML document format. IFC exchange files written according to IFC2x3 and IFC2x3 TC1 are up- and downward compatible.

Future IFC Releases

expected in Spring 2009 : A new IFC2x extension release with the working title IFC2x4 is schedules to to include the results from ongoing end-user driven IFC extension development projects. It will include (1) extensions in the building service and electrical design domain, (2) general improvements of the definition of building structures and elements, (3) first schema extensions for expanding into the civil engineering sector. The IFC2x4 alpha release has been published for comments on 20 Jun 2008, the public review period end on 10 Oct 2008. The IFC2x4 beta release is scheduled for publication on 16. Jan 2009 with another public review period to follow.