Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
1.8.3050 and 1.8.3055 have had their manufacturing rules updated to tag newly minted code as Copyright (c) 2012 instead of 2011. The SchemaDef.CopyrightPeriod attribute has been added to the 1.9 and 2.0 BAM models. There have been no functional changes.