I've noticed that under some circumstances the nasty bug where the Tomcat gets several thousand pounds of ghost weight added upon spawning on the carrier deck is still present.
This happend so far only in MP: When you chose a slot on the Supercarrier and if it decides that for whatever reason there is no place to spawn for you, you get the delayed flight message. Once you actually spawn (usually if another AC takes off) your Tomcat will be overweight with the following symptoms:
A lot of power (up to 90%) is neccesary to get her rolling.
Settles heavily during cat launch.
15AoA speed in landing config is seriously off. With 54000lbs, onspeed is 152kts while it should be 140. Moreover, it can barely maintain those 152kts at just below MIL power.
Unfortunately, I can't provide more hard data since I could not reproduce this in SP, but in MP, this happens everytime my flight gets delayed.
One more interesting thing is that leaving the server and rejoining doesn't help. If your flight got delayed on the SC, you will get ghost weight unless you restart DCS.