This is the update for 1.8.4 - 1.8.7. Head over to the Downloads page for the link.
Change log:
*1. Gave command Blocks new top image
*2. Beacon's beams have been altered (King_Mickey)
*3. Eye of Ender's "eye" blinks
Change log:
*1. Gave command Blocks new top image
*2. Beacon's beams have been altered (King_Mickey)
*3. Eye of Ender's "eye" blinks