Here are the current version numbers:
Flow guide - Version 8 revised 8/15/2019
AOM Volume 1 - Revision 19-03 Effective 9/6/2019
AOM Volume 2 - Revision 19-03 Effective 9/6/2019
COM Volume 1 - Revision 19-03 Effective 9/5/2019
COM Volume 2 - Revision 19-03 Effective 9/6/2019
Operating Bulletins - 19-21R Effective 9/27/2019