Final Action Dates and Dates for Filing published for October 2017 (fiscal year 2018), with the change from September 2017. Official source: travel.state.gov.
What changed
EB-1 (China, India) became Current (was 1 Jan 2012).
EB-2 (Rest of World, Mexico, Philippines) became Current (was 1 Jan 2016).
F4 (Rest of World, China) advanced 858 days, from 1 Jan 2002 to 8 May 2004.
EB-3 (China) advanced 731 days, from 1 Jan 2012 to 1 Jan 2014.
F4 (India) advanced 638 days, from 1 Jan 2002 to 1 Oct 2003.
F1 (Rest of World, China, India) advanced 235 days, from 1 May 2010 to 22 Dec 2010.
EB-3 (Philippines) advanced 30 days, from 1 Nov 2015 to 1 Dec 2015.
F1 (Mexico) advanced 29 days, from 1 Feb 1996 to 1 Mar 1996.
EB-2 (India) advanced 24 days, from 22 Aug 2008 to 15 Sep 2008.
F2A (Mexico) advanced 23 days, from 22 Sep 2015 to 15 Oct 2015.
F2A (Rest of World, China, India, Philippines) advanced 21 days, from 1 Oct 2015 to 22 Oct 2015.
F4 (Mexico) advanced 16 days, from 15 Sep 1997 to 1 Oct 1997.
F2B (Mexico) advanced 14 days, from 1 Jul 1996 to 15 Jul 1996.
F3 (Rest of World, China, India) advanced 14 days, from 8 Jul 2005 to 22 Jul 2005.
F3 (Mexico) advanced 14 days, from 8 Apr 1995 to 22 Apr 1995.
EB-2 (China) advanced 7 days, from 15 May 2013 to 22 May 2013.
F2B (Rest of World, China, India) advanced 7 days, from 1 Nov 2010 to 8 Nov 2010.
F3 (Philippines) advanced 7 days, from 15 Feb 1995 to 22 Feb 1995.
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.