So, apparently 21a killed someone's cat and went on a crime spree so they had to release 21b. In this snapshot, creative menus have been sorted into categories. List of changes follows:Client + "Listen" Server"Dedicated" Server (or .exe)New inventory screen in Creative mode.Blocks and items are sorted by category, each category in its own tab. The categories are:Building BlocksDecoration BlocksRedstoneTransportationMiscellaneousFoodstuffsToolsCombatBrewingMaterialsThe inventory can be searched for specific items: just start typing while in the inventory screen. The search results will be displayed in the Search Items tab.The player's survival mode inventory is accessible via a tab with the chest as its icon.Brewed potions will not be included in their own category.To close the new inventory window you must press 'Esc'. Using the default inventory key does not currently work.Added Monster Egg (Silverfish blocks) to Creative inventory.Saving and Loading chunks is slightly faster.Bug Fixes:Removed Server Jar dependency in Single Player, again.Updated language files to correct the diamond/emerald mix-up.Emerald Ore is now green instead of red.Added a crafting recipe for sandstone stairs.Added the new Golden Apple to the inventory.Notable bugs (Complete bug list):When generating a world or exiting a world, the "saving chunks" and "loading chunks" is absent.Pressing F2 to take a screenshot on Creative Mode's Inventory will cause it to switch to the Search Tab. Killing a medium slime may spawn a large slime instead of a small slime.English (US) is missing from the language selection screen.The on-state Redstone Torch can be found in the "Decoration Blocks" tab, instead of the "Redstone" tab. Meanwhile, the off-state Redstone Torch can be found in the "Redstone" tab.