Minecraft Java Edition 26.2 is out now. Sulfur Cubes absorb blocks and turn into bouncy explosive physics objects while new caves and a social friends system go live simultaneously on Bedrock.

The wait ended today. Minecraft Java Edition 26.2 and its Bedrock counterpart dropped the full Chaos Cubed content pack. The star is the Sulfur Cube a new mob that spawns in the fresh Sulfur Caves biome. Hand it a block and it absorbs the thing disables its normal AI and turns into a physics object whose bounce speed friction and buoyancy depend on what it ate.
Wood makes it bouncy. Ice makes it slide. TNT makes it explosive with a fuse that can be triggered by redstone or nearby blasts. Shear it to remove the block and reset the mob. Small ones grow when fed slimeballs. Large ones fit in buckets. Dispensers can load them with blocks or shear them. It is exactly as chaotic as the marketing suggested and servers are about to feel it.

What else actually shipped
- Sulfur Caves biome with sulfur pools potent sulfur geysers and sulfur spikes that act as stalactites or stalagmites
- New cinnabar and sulfur full block sets including polished bricks slabs stairs walls and chiseled variants
- A new music disc Bounce by fingerspit plus five additional background tracks from the same artist
- Friends List accessible from title screen pause menu or O keybind with friend requests presence indicators and toast notifications
- Experimental Vulkan rendering option in video settings which may improve performance on some hardware but is explicitly flagged as unstable
- Five new languages added

Bedrock gets the same core drop plus the promised party system improvements referenced in earlier previews. Both versions are live right now through normal update channels. Mojang notes that the Vulkan path is experimental and bugs should be reported through the usual launcher tools.
If you are loading into a fresh world tonight the new caves generate underground with distinct bands of sulfur and cinnabar. The surface sulfur springs are also new. The mob follows players holding absorbable blocks and hunts loose block items on the ground. It splits when killed like a slime. The whole package tilts Minecraft toward more unpredictable physics playground moments especially in multiplayer.

From bouncing and sliding to explosive surprises this unpredictable mob unlocks exciting new ways to build compete and survive.
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