There are a couple of positive effects of rewriting terrain render, among which much better scalability. Previously one terrain chunk (8×8 tiles) was limited to having just 4 textures. Now they are automatically split into buckets with 4 textures each. Here’s debug render with 5 textures in a chunk:
*click on images to enlarge (or right-click – “open in new tab”, if this does not work)
And this one has much more:
P.S. Textures are being made by Eleni Wat.