Major enhancements in Gramps 4.2.0:

* GEP 36: GEPS 036: Extended Alternative Place Name Handling:
https://gramps-project.org/wiki/index.php?title=GEPS_036:_Extended_Alternative_Place_Name_Handling

* GEP interactive search: own interactive-search box.

* Speedup on Tree and Flat Views

More info in the manual 
http://www.gramps-project.org/wiki/index.php?title=Gramps_4.2_Wiki_Manual_-_What%27s_new%3F

Everybody is invited to update the manual to make it current!