I bought A319 Ceo and downloaded it whit also the A321 Neo products. After i explored the flight decks of all the planes and all their mebus and setting in both the two LVFR products, after returning to Main Menu and exploring the World Map, stutters and FPS drops issues occurred. If i go to the starting airport gate whit the selected plane, none of them happen, only if i go to World Map from Main Menu, those issues come on.
To end those issues i had to Xbox Series X desktop from MSFS game and close this last one, then, after reopened it and entered the World Map from Main Menu, all has returned smooth.
I wonder if is those two LVFR products the cause of the issue.
To make you have en idea, here is a video