Chances are, this could be totally intentional on Mojang's part, but I'll report it just in case. I couldn't find any other issues about this.
I'm working on a resource pack, but after updating it to 1.9, I noticed it's cracks had gone all out of whack.
This only happens to blocks, though, where the texture I used was a 64*64 image. It's a bit hard to explain.
CraftingTable.png is the image the the model uses in-game. All of the textures for the crafting table are in that 64*64 image, and each quadrant of the image is a different side.
2016-03-12_14.34.33.png shows the effect the texture mapping has on the block. The cracks are too large, and abide to CraftingTable.png rather than the block model.
Is this still an issue in the latest snapshot 16w44a? If so please update the affected versions.
This is an automated comment on any open or reopened issue with out-of-date affected versions.