Hi folks,
Maybe some of you followed this topic for while :
Well, now I'm proud to announce the fully documented first release of the Dynamic Terrain Extension : https://github.com/BabylonJS/Extensions/tree/master/DynamicTerrain
Its documentation is one the same repo : https://github.com/BabylonJS/Extensions/blob/master/DynamicTerrain/documentation/dynamicTerrainDocumentation.md
Have fun
Some more demos and features to come