It seems like Windows Mobile 6.5.3 is going to drop before the major version 7 release, which is scheduled for late 2010. In Windows Mobile 6.5 API documentation at MSDN (Microsoft Developers Network), WMExperts have found out references been made to Windows Mobile 6.5.3, which indicates a new minor version release over the current version 6.5. The said references can be found in “Developing Widgets” section of Windows Mobile 6.5 documentation.
