highfidelity/hifi — pull request #3290 by ey6es (2014-08-15 02:35:51+00:00)
Title: Big change in the way shared borders are handled in order to fix seams between blocks.  Fixes for height/ray queries.  Minimal rectangles for deltas, switch between PNG and deflated JPG encodings. 

This will break any stored metavoxel terrain (metavoxels.dat).