With the recent launch of the Ultimaker 3, a totally updated version of Cura has been released. This new version of the software is optimized for Ultimaker 3, but can still be used for other UM printers.
Cura 2.3 contains pre-saved materials profiles that are optimized for use with Ultimaker filament. This takes much of the guess work and optimization time out of 3D printing.
It also contains lots of new features, and one of our favourites is the gradual infill which allows you to start off with very little infill and end with more (to give you good internal support for a roof, but using as little extra filament as possible).
Check out all the features on the Ultimaker page here!