Here are 2 tutorials about some new features which come with Blender version 2.78.

Bevel and select tool

The bevel and select tool has been improved, you can see the new features here.

MT Carver Addon

The Addon Multiple Tools for carve and create objects is added to Blender 2.78 by default, it does not have to be installed, you only need to activae it like explained here:

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