只能对你说：TBD！ 可以看看之前的时间表：
Development Phase - December 1, 2012
Feature Freeze - December 1 2012 - April 1 2013
Code Freeze - April 1, 2013
Drupal 8 Alpha release - May 20,2013
Drupal 8 Alpha 2 Released - June 24, 2013
Drupal 8 Alpha 3 Released - September 4, 2013
Drupal 8 Alpha 4 Released - October 18, 2013
Drupal 8 Alpha 5 Released - November 19, 2013
Drupal 8 Alpha 6 Released - November 22, 2013
Drupal 8 Alpha 7 Released - December 18, 2013
Drupal 8 Alpha 8 Released - January 22, 2014
Drupal 8 Alpha 9 Released - February 19, 2014
Drupal 8 Alpha 10 Released - March19, 2014
Drupal 8 Alpha 11 Released - April 23, 2014
Drupal 8 Alpha 13 Released - July 8, 2014 - Download here !
