The 4.1.x series of Dasher releases is a development series which will lead to version 4.2.0 in time for the GNOME 2.16 release. If you're after stability, install the latest 4.0.x version instead.

The 4.1.x series aims to improve interaction with the desktop environment and window manager, for example to make it easier to enter text into other applications. 4.1.4 fixes a number of bugs which were present in 4.1.0.