Both the 0.3 version for Maps  and Semantic Maps 
have been released. This new release features a lot of new features
(esp. in Maps), under the hood improvements and some bug fixes. You can
find the list of changes on the extensions version history pages [2,
3]. The documentation of both extensions has also been given a big
overhaul, and should now be more comprehensive and complete.
are recommended to upgrade as soon as possible. This also applies for
people still using Semantic Google Maps, Google Geocoder or Semantic
Layers, which have been replaced by Maps and Semantic Maps.