Minecraft 1.9 PR 5 Released

Change list:

• Block of iron texture is changed.
• You now have mushroom biome grass in your creative inventory.
• Fence Posts no longer connect to leaves.
• More achievements.
• Annoying Stair glitch fixed. Confirmed by redditor meesebyte.
• Option to disable clouds in menu.
• F6 = smooth walking It seems to allow you to fly straight but not up or down (works on survival). It acts as a noclip, lets you go through blocks deals you damage... Your Y co-ordinate doesn't change.
• F9 Adds a fixed camera angle. ( You can move this with I, J, K, and L)
• Passive squid animation is now vertical. (Credit to B1ueStarfish for finding this)
• Lily pads are no longer gray in inventory, have a tool tip.
• In creative mode hostile mobs no longer attack you unless provoked, except for ghasts and spiders. Note Enemies from spawners are still hostile. (Thanks theriverotter)
• Melon slice drops are back to normal! (Thanks dg200)
• Pressing "N" "M" "Y" "U" "O" and "H" changes depth of field and angles of camera. (Thanks Pupetteer)
• You receive a warning when changing render distance to far.
• Items retain their enchantments if chest is destroyed.
• You can now look around without a mouse using: I, J, K, and L.
• Slimes not restricted to y0-16 anymore.
• Game Crashing piston glitch fixed.
  
• Player bow drawback animation improved.
• Silk touch does not work on spawners.
• Instant Heal splash potions damage zombies.
• Vertical Water physics are different. (Not sure if bug or otherwise)
• Cool Enderdragon Death Animation.
• Snow Golums visible!
• Longer reach for mining as well as attacking.