Posted by xjm on March 8, 2013 at 12:06pm
On March 15, the PHP version requirement for Drupal 8 will be increased to 5.3.10. (We are giving developers a week's advance notice so that they can update their Drupal 8 development environments.)
For background information on this change, see the Drupal 8 issue: http://drupal.org/node/1800122