The Department of State released the August 2013 Visa Bulletin yesterday.
All Family 2A (spouse and unmarried children under 21 of LPRs) categories are CURRENT beginning August 1, 2013. This was a move forward of 23 months for Mexico, and 22 months for all other countries.
USCIS has not adjudicated many of these I-130 applications and families waiting to process through the consulates will not be able to do so until they are approved. For those who are eligible to adjust status, I-485 applications should be filed in August to protect against the priority date moving backwards.