Good news: Nutiteq maps SDK 1.1.1 is finally released: get the binaries now from the Downloads page, also Developer Guide is updated.
Version number increase is small, but there are many internal improvements, for stability, speed, memory usage (removal of some leaks) and user experience. Some key enhancements:
There are some important API changes also, which depend on platform. Changes are small, but most probably SDK update does not work as plug-and-play and you need to change your application code. See key changes posts in platform-specific forums.