I decided to do some comparison testing to perhaps find where some strange things begin to happen.
I have a single flight plan with a single loadsheet that was used for each of the successive flights.
I am using the latest experimental build 18.104.22.168 and updater version 22.214.171.124
I used the standard American Airlines A319.
I used the same options MCDU settings for each and proceeded with a full managed flight for each using copilot.
Here are the raw deta