A 1.8 changelist

[Ace2910]

Beta 1.8 "Adventure Update"

Known as the "Adventure Update", meant to flesh out the game a bit and make exploration and combat more rewarding.[1][2] Note that this is not Adventure Mode.[3][4]

Fixes and Changes:

Shift+Click on items will work correctly.[5]
Labels for items will be added.[6]
Redstone circuits not working after /time set x glitch going to be fixed in SMP.[7]
User placed leaf blocks won't decay.[8]
Clouds won't go through buildings anymore.[9][10]
Rain and snow will now render faster.[11]
Cloud movement syncs with the time.[12]
Ghast attack sounds will be fixed in SMP.[13]
Skeletons now hold full-size bows.[14] (found at 7:00)
Skeleton arrows originate from about their eyes to the bow, instead of above the head.

Features:

At least 9 new crafting recipes.[15]
Brick Slabs[16]
Brick Stairs[17][18]
Stone Brick Slabs[16]
Stone Brick Stairs[17][18]
Fence Gate
Different game modes.[19]
Creative mode.[12] (around 3:10 in)
Flying in Creative mode.[12][20]
Able to change time quickly and easily [12] (around 6:00 in) Note:Notch is in debug mode[12](around 5:36 in)
You will get unlimited resources in Creative mode [12] (around 11:20 in)
A new screen, the Unlimited Item Selection screen [21]
"At least two new mobs"[22]
New Enderman mob.[23][24]
They take damage from water.[12] (around 32:10 in)[20]
They emit black smoke particles.[20]
New Silverfish mob.[12] (around 13:10 in)
Very rare.[12] (around 13:10 in)
Will spawn rarely when mining a block.
New Blue Spider mob.[25]
They spawn in Abandoned Mine Shafts.[26]
Their attacks are venomous.
Have a unique mob spawner.
Zombies drop a new item instead of feathers,[27][28] Rotten Flesh.[12] (around 11:40 in)
New features in the terrain generator; things which will only appear in new worlds/chunks[29]
Optional[30] NPC Villages[31] with farms[32] and "town borders".[33][34]
Possibility of players to "claim" land in villages.[35]
Wells for villages.[36]
Made of: Cobblestone, Mossy Cobblestone, Wooden Planks, Wood, Torches, Cobblestone Stairs, Gravel, Fence, Glass and/or Glass Panes, Ladders, Wooden Doors, Crops, Farmland, Water, Furnaces, Iron Bars, Black Wool, and Pressure Plates.[12] (around 3:50 - 4:30; 19:30 - 20:00)
Contain "Smithies"[37]
Underground Ravines including canyons on the surface and ledges to walk on.[38][39][40](about 24:00 in)
Strongholds[41], consisting of 4 new blocks: Stone Brick, Mossy Stone Brick, Cracked Stone Brick, and Iron Bars.[42] (names unconfirmed)
Abandoned Mine Shafts.[12] (around 13:55 in)[40] (about 25:55 in)
Naturally found Cobweb.[12] (around 13:55 in)
Totally new, fractal-based[43] biome code.[44]
7 new biomes.[12] (around 24:25)
New "Mushroom biome".[45] which will include Huge Mushrooms, both brown and red.[46]
Rivers flowing through/in between biomes.[47]
Ocean Biomes, that are deeper and larger than before.[48]
Mountain biomes.[12] (around 29:15)
Possibly new swamp and rainforest biomes.
Possible Volcanoes.[12] (around 22:00)
Larger Biomes.[49]
New combat Mechanics.[31]
Hold-to-charge bows.[50]
3 different charged states; takes less than 1 second to fully charge [12] (around 5:05 in)
Fully charged bows causes the player to walk slower [14] (around 5:40 in)
Critical hits:[51]
When the player hits a mob while jumping.
When the bow is fully charged.
Player blocking attack animation and hostile mob attack animations, possibly more player animations.[52][53]
Block "stance".[20]
New farming options, more interesting farming.[22][51][54]
This could be the Cocoa Bean tree Jeb was talking about.[31]
Plantable pumpkins and melons, each with a central stem that grows to max size and spawns a fruit next to it.[55]
Melon Seeds.
Pumpkin Seeds.
Animal breeding.[56]
New Food System:
There is now a food meter.[57][58]
Food no longer heals directly but indirectly.[57]
If the food meter is above a certain point, heals Half Heart.png about every 5 seconds.[12] (around 31:00)
The food meter is possibly optional since Notch has said that it will be possible to play without food.[58]
Food will be stackable.[59][60][61]
Food takes 1.6 seconds to consume.[57]
There is now a food eating animation.[12][57][62] (around 5:30 in)
There will most likely be sound effects for consuming food.[62]
5 new food items.[63]
Cooked Chicken.[64]
Raw Chicken.[65]
Raw Beef and Steak.[61][66][67]
Melon Slices.[68]
Cooked Porkchops have a different texture.[61]
New achievements:
Kill a skeleton with an arrow at 50 meters.[69]
Possibly attempting Shoot the Moon with an arrow.[70]
Sprinting: By double pressing the forward button, the player will move faster.[71]
Sprinting will have a drawback, such as depleting your food bar.[71]
Hitting a mob while sprinting sends them flying[72] about 8 blocks[12] (around 7:50 in)
Glass Panes.[73]
Can be mined and picked up without breaking.[74] (about 1:45 in)
Possibly Spike blocks, Jeb initially considered Spike Pistons, but then pondered making a Spike block that can be pushed by the Sticky Piston.[75]
Arrows will get stuck on mobs when they hit.[76]
Fence Gates.[77]
Vine (Ivy) blocks.[78]

Graphics / UI / Audio:

New improved lighting — day/night cycles will not require chunk updates.[79] Lighting will be updated via a texture, whose coordinates are the block's sky light and block light levels.[80]
Warmer light from torches.[81]
Moonlight is blue.[12]
New texture for Moss Stone.[82]
Sliders for field of view and gamma in video options.[83][84][85]
Redesigned HUD, including two new features, food and experience bars.[86]
Killing a mob gives you tiny flashing Experience Orbs that add to your experience.[12] (around 19:35)
New launcher.[87][88]
Possibly a web Applet launcher.[89]
A lot of new sounds and some changes, such as minecart sounds and shear sounds, also a change in the sound of rain.[90][91]
New bow sounds (including hits), new door sounds, big slimes sound, and walking skeletons sound more skeletony.[92]
New particle effects.[93]
Performing a critical hit on any mob will cause 'sparks' to fly.[12](around 4:45 in)[40](Around 18:54 in)
Explosion particles are now shockwaves instead of smoke.[20][12](about 21:54 in)
The ability to see the world seed when pressing F3.[94]
A new main menu background.[12] (around 2:10 minutes in)
The version in the main menu will be in the lower left, instead of the current upper left.[12] (around 2:10 minutes in)

Multiplayer:

Multiplayer server list.[95][96]
Improved server join screen: The server join screen will feature a list of servers.[97]
Player List - Press tab in multiplayer and player list comes up.[98]
The ability to allow moderators to enter creative mode in SMP.[99]

Modding:

Modding Support.[51]
Including easier changing of the max level (map) height.[100]

Release Date:

Soon. In a couple of weeks. May be split into two updates.[101]; still unfinished, according to Notch[102]

[Sooneey]

looks awesome, i'm only keeping an eye out on multiplayer and modding api.

[Pestilencemage]

Oh my! Perhapse I should work less on my new farm untill I learn more about the changes to farming.
Where did you find this changelist?

[Der_Jakal]

I found one on minecraft wiki

[Ace2910]

Updated the post so it acknowledges the info shown at PAX Prime.