Immersion

beta_4.0:

>>> Blocks:
+ Added regular, repeating, and chain command blocks
+ Added chorus plant and flower, purpur, end stone bricks, and end rod
+ Added frosted ice
+ Added beetroot
* Tweaked dirt, coarse dirt, mycelium side, grass block top, grass, tall grass, and large fern
* Tweaked jungle sapling
* Tweaked ice

>>> Particles:
+ Added end rod particles

>>> GUI:
* Changed options background

>>> Other:
* Changed title screen panorama
* Changed resource pack icon
* Changed podzol and mycelium side specular maps
* Tweaked dirt, coarse dirt, grass block top, grass, tall grass, and large fern specular maps
* Tweaked jungle sapling specular map
* Tweaked ice specular map

Full Changelog: https://dl.dropboxusercontent.com/s/7adl3tmejxts321/changelog.txt?dl=0