6/6/13 - "... we're possibly more excited than you guys are for our August ship date"
6/21/13 - "We believe that we will have reached v1.0 by the end of July, giving us the beginning/middle of August to begin manufacturing and shipping"
7/22/13 - "we will not be ready to ship Soylent in August, and are pushing our ship date back to the end of September"
8/27/13 - "We plan to have every Soylent preorder shipped out by the end of the year."
11/7/13 - "Original campaign supporter (May 21 - June 25): January 2014"
1/3/14 - "RFI has assured us that the full Soylent production run will be complete and ready for packaging by the third week of February and that all of the domestic orders will be shipped out by the end of March."
1/22/14 - "Our co-packer is still on schedule to provide the first pallets of Soylent for shipping by the end of February."
3/13/14 - "pushes back first shipping date to mid-April"
4/10/14 - "FedEx will begin shipping the first preorders Monday, April 21st" ALSO "Some Backerkit add-ons removed."
4/24/14 - "Soylent orders will begin shipping 4/25"
5/1/14 - "general Soylent 1.0 orders will begin shipping this week"
So yeah.....
Also, from the blog post you linked:
>> "You’ll surely agree that it’s been a long 11.66 months since we started the Soylent crowdfunding campaign."
Yes, yes it fucking has and it's be exacerbated by updates coming only every 1-3 months.