where has it been stated the patch cycyle was 5 months?
dec 3 - ENDWALKER
April 12 - 6.1 (4 months 1 week)
august 23 - 6.2 (4 months 1 week)
Jan 10 - 6.3 (4 months 2 weeks)
may 23 - 6.4 (4 months 1 week)
Oct 3 - 6.5 (4 months 1 week)

JUNE 28th - Dawntrail (8 months 3 weeks)