Not true. We went on a FD pin last year June 11-16th. I received the pin in my email after I booked last Febuary. I actually received a 2nd FD pin via email in April, but it was for dates later in the year.
We are talking about GENERAL PUBLIC free dining offers, not pin codes offers. Pin codes offers can be sent out at any time for any time frame, but they are name-specific, non-transferrable and have absolutely nothing to do with General Public Free Dining offers, dates or release dates.
According to Mousesavers these are the past free dining dates and release dates and this is what people need to go by to try to plan around to try to book to take an advantage of a general public free dining discounts:
Free Dining Promos/Discounts Released Spring of the Year Offered
August 21 – October 4, 2005
August 13 – September 30, 2006
August 26 – September 22, 2007
August 30 – September 27, 2008
August 16 – October 3, 2009
July 27, 2009(First Time for quick service at values, free Disney Dining at moderate and deluxe resorts)
Free Dining released for travel from October 4 – December 17, 2009
May 3, 2010
Free Dining released for travel from August 15 – October 2, 2010.
July 6, 2010
Disney extended the Free Dining offer for travel through early fall 2011. Many dates were blacked out:
August 15 – October 7, 2010
October 22 – Octocber 28, 2010
November 12 – November 18, 2010
November 27 – December 2, 2010
December 10 – December 21, 2010
January 1 - 5, 2011
January 9 - 13, 2011
January 21 - February 3, 2011
February 11 - 17, 2011
February 25 - March 3, 2011
May 27 - June 2, 2011
August 19 - September 29, 2011
March 2011
Free Dining Discount released for August 28 - September 24, 2011
August 3, 2011
Free Dining Discounts released for dates through early Spring 2012
October 1 – October 6, 2011
October 22 – November 3, 2011
November 12 – November 17, 2011
November 26 – December 1, 2011
December 10 – December 15, 2011
January 8 – January 12, 2012
January 21 – February 2, 2012
February 11 – February 16, 2012
March 3 – March 8, 2012
March 24 – March 29, 2012