The biggest improvement in this update is a new feature called batch mode. In this batch mode one can place or mine a large number of blocks at once, so that large structures can be built more easily and more efficiently.
Please also checkout the new video that has been uploaded to the store page demonstrating the building of a Mayan Pyramid.
Besides the batch mode, this update also added support for multiple block copy, paste and deformation.
This update also improved and optimized the use of hotkeys. Now the hotkeys are supported as the following:
Additionally, this update also made a number of minor improvements and fixings.