I want to announce the bugfix release of the SMW+ 1.5.3 installer and the individual extensions (aka SMW+ Extension Suite) . We have fixed some issues and included fixes that have been committed to the release branch since the initial release in April.
Supported browsers are Firefox 3.6 and 4.0 as well as Internet Explorer 8.
If you are interested in the list of fixed issues, have a look at: 
We are planning to publish the Triple Store bugfix release in June. SMW+ and all extensions are downloadable as usual from sourceforge .