The following files located in the 14 SharedContent\Bin directory have different major version numbers (first set of digits in the version number) compared to the 13 SharedContent\Bin directory. The 14 Upgrade and Synchronize Model with Catalog will automatically apply the necessary updates to existing objects within the model. This list does not include files outside of the Bin folder.
13 to 14
SharedContent\Bin\Drawings\Rules\Release\DwgEndCutRules.dll