SSAE 16 is Obsolete

Here's a deep question.  Now that SSAE 16 is obsolete, what brand will the AICPA promote?  Is it an SSAE 18 report for all reports that are not SOC 1 or SOC 2?  Or should all SSAE 18 reports be either SOC 1 or SOC 2? 

ASB Issues SSAE no 18
Attest Clarity Project Update