Affects Version/s: Minecraft 1.8.3
Fix Version/s: None
Version 6.1.7601 Service Pack 1
System Type: x64-based PC
Processor: Intel(R) Core(TM) i5-3210M CPU @ 2.50 GHz, 2501 Mhz 2 Cores
Java Version: Version 7 Update 17 (build 1.7.0_17-b02)
Tested on Superflat World (Tunneler's Dream). If you fly to Block 255 and place a block with multiple possible states (lever, gate), and switch it between states by interacting with the TOP of the block. It will change back and forth rapidly, giving you the message: "Height Limit for building is 256 blocks"