Not too sure how widespread this is (at first glance 9M/9X don't seem to behave any different compared to 2.9.1). If already reported please merge, but I didn't see any thread on this in General or Weapon Bugs.
In 2.9.1:
F-15E belly stations: drop missile first for separation, then motor ignites shortly after
F-15E wing stations: motor ignites immediately
F-16C all stations: motor ignites immediately
In 2.9.2:
F-15E all stations: now behave like they are belly stations, wing pylons will drop the missile through where drop tank would be, motor ignites delayed. Not yet sure what happens if equipping bags.
F-16C: Station 1 (left wingtip) floats missile upwards like gravity doesn't exist, Station 9 (right wingtip) drops the missile like it's an Eagle belly station, AMRAAM flight behaviour SUPER erratic when launched from Station 9
I don't have the Hornet so I'm not sure if the dual AMRAAM rack is affected. Gonna test SD-10 later today after I go back to 2.9.2 again.
Is my install just super borked? I find it hard to believe that no one else has noticed this super obvious behaviour in the past 6 days. Gonna get some trackfiles later as well - my clips are not taken from trackfiles though, but realtime F2 view.
I've been updating back and forth between 2.9.1 and 2.9.2 to see if I'm just doing something wrong, but behaviour is consistent.