This pack includes:

Ui changes: Saturation levels, Blurred background when in inventory or paused, new Items highlight in your inventory, smooth transferring (inventory), and new backpack variations!
New sounds: much more ambiance and more natural walking sounds.
Camera changes: A better realistic view bobbing, Now able to see your character model in first person, and skin now appear 3d.
Animations: Realistic combat animations, new eating animations, New animations when climbing ladders or holding a map, new sparkle animation to ores and enchanted items.
Block Changes: A path will now form from constantly walking on grass, you can now carry blocks and move them, Anvils and enchanting tables now keep items held in them as well as displaying them, double doors will now open together, XP now clumps together, Fire now spreads more realistically, you can harvest crops and plant them down while right-clicking with a hoe, Soul fire now appears as blue when you're on fire, There is a new enchant mechanic when throwing a book & quill on an enchanting table including lots of new enchantments, Trees will now break when crouching and hitting the bottom block with an axe, New travelers backpack with lots of abilities and variations, new 50+ biomes and terrain generation, complete structures overhaul.
Other changes: More realistic snow build-up, new items to do with previously mentioned mods, Grizzly Bear mob found in forests, and a new 28-day weather season mechanic.

AS WELL AS 100+ NEW ORIGINS

Blake's Better Craft