Minecraft 18w46a, Minecraft 18w47a, Minecraft 18w47b
- Build a scaffolding structure away from the support blocks until one block reaches the limit and falls down
- Place a Shulker Box below the falling block
→ The game crashes and renders the world unrecoverable
This is also reproducible by shift-clicking the top of the shulker box with scaffolding, causing an "Unexpected Error" crash.