This page provides a summary of OMG specifications that have either been formally published or are in the finalization process.

The "acronym" link navigates to the latest version of the specification, this link changes whenever a new version of the specification is published.
The "Version" link navigates to the specific version.
Adoption Date represents the date the specification was generally available. You can sort the columns in the table.
Name Acronym Version Status Adoption Date
Total 9
Unified Modeling Language UML® 1.1 formal December 1997
Unified Modeling Language UML® 1.2 formal July 1999
Unified Modeling Language UML® 1.3 formal February 2000
Unified Modeling Language UML® 1.5 formal March 2003
Unified Modeling Language UML® 2.0 formal July 2005
Unified Modeling Language UML® 2.1.2 formal October 2007
Unified Modeling Language UML® 2.2 formal January 2009
Unified Modeling Language UML® 2.3 formal May 2010
Unified Modeling Language UML® 2.4.1 formal July 2011