Final Action Dates and Dates for Filing published for September 2017 (fiscal year 2017), with the change from August 2017. Official source: travel.state.gov.
What changed
F4 (Rest of World, China) retrogressed 858 days, from 8 May 2004 to 1 Jan 2002.
F4 (India) retrogressed 629 days, from 22 Sep 2003 to 1 Jan 2002.
F1 (Rest of World, China, India) retrogressed 235 days, from 22 Dec 2010 to 1 May 2010.
EB-2 (Rest of World, Mexico, Philippines) advanced 275 days, from 1 Apr 2015 to 1 Jan 2016.
EB-3 (Philippines) advanced 153 days, from 1 Jun 2015 to 1 Nov 2015.
EB-3 (India) advanced 92 days, from 15 Jul 2006 to 15 Oct 2006.
F1 (Philippines) advanced 78 days, from 15 Oct 2006 to 1 Jan 2007.
F4 (Philippines) advanced 54 days, from 8 Apr 1994 to 1 Jun 1994.
EB-2 (India) advanced 31 days, from 22 Jul 2008 to 22 Aug 2008.
F2B (Philippines) advanced 24 days, from 8 Dec 2006 to 1 Jan 2007.
F3 (Philippines) advanced 24 days, from 22 Jan 1995 to 15 Feb 1995.
EB-2 (China) advanced 23 days, from 22 Apr 2013 to 15 May 2013.
F2A (Mexico) advanced 21 days, from 1 Sep 2015 to 22 Sep 2015.
F2A (Rest of World, China, India, Philippines) advanced 9 days, from 22 Sep 2015 to 1 Oct 2015.
Dates are exactly as published; C = Current, U = Unavailable. Some categories (EB-5 set-asides, EB-4 religious workers) are in the dataset. Priority dates earlier than the cut-off may be processed; see the FAQ.