Stellarium 0.15.0 is a massive release that comes with numerous improvements, but among the best new features that might interest you, we can mention the addition of new skycultures, such as Dakota, Nakota, Lakota, Ojibwe, Euahlayi, Kamilaroi, and Macedonian, updated AstroCalc tool, new Bookmarks tool, Miller Cylindrical Projection, new scripts, and new functions for the Scripting Engine. Moreover, the star catalogs and Deep-Sky Objects (DSO) received multiple enhancements, such as the inclusion of initial support for the Washington Double Star catalog, azimuth lines support was implemented in the ArchaeoLines plugin to target geographic locations, and the code of various plugins has been updated. The full changelog has been added below if you want to see what bugs were smashed.