December 23, 2016, USCIS posted a large number of new form versions. The forms all have an effective date of December 23, 2016, and the website indicates that no other versions of the forms are acceptable, with the exception of Form I-129. It appears USCIS is continuing to accept prior version of Form I-129. No prior notice of these changes was given, and there was no alert sent to stakeholders today.
Because USCIS elected to deviate from its normal procedures and did not provide notice to stakeholders or provide any grace period during which prior form versions could be submitted, it will pose some challenges to form vendors who will not have time to reprogram the case management software systems and applicants/petitioners who may remain unaware.