This was by far the biggest change and improvement with 1.6, and it's why I target 1.6 and consider that the new baseline. From 1.6 all the way to 2.2, however,

This was by far the biggest change and improvement with 1.6, and it's why I target 1.6 and consider that the new baseline. From 1.6 all the way to 2.2, however, there is little that really makes or breaks an app.