Revision history for Chemistry::OpenBabel. 1.2 Apr 07 2007 - Corresponds to Open Babel, version 2.1 release. - Now can be built outside the Open Babel source tree. - Now includes access to just about everything, including fingerprints, force fields, conversions, etc. 1.1 Apr 17 2006 - Now includes access to rings, SMARTS patterns, and vector3 coordinate class - Corresponds to Open Babel, version 2.0.1 release. 1.0 Nov 26 2005 - First public release. - Offers access to OBMol, OBConversion, and OBGlobalDatabase classes (i.e., anything in mol.h, obconversion.h or data.h) - Corresponds to Open Babel version 2.0 release.