Yes, apparently there were some player changes when Hansi FLick became their coach. And because of financial issues too, Barcelona will definitely make the quite difficult decision to sell some of their top players first and bring in players who suit Flick and also suit the budget they have. One of them is that they want to sign Joshua Kimmich.
Bayern Munich are frustrated after missing on excellent opportunities to grab title, making them trophyless this season. Perhaps the board have made arrangements and appointed Vincent Kompany to continue from where Thomas Tuchel stops. While Barcelona also relieves Xavi Hernandez from his managerial position, appointed Flick have always been in the picture, he's one of the top coach go elevate Bayern Munich stats in bundesliga and also in major competition. He's this type of coach that goes for what he wants and his pattern of play is pressing tactics against opponents.
But will Barcelona be able to fulfill all of Flick's needs? because I think it will also have an influence on them. The reason is, however, the coach needs full support from management. I don't mean to doubt Flick, but again I have to say that if he can't get what he needs it will also be a challenge for them.
Xavi also actually could have played better, because the existing limitations meant that his steps were not so free. I am also sure that Barcelona's financial situation is like Real Madrid's, for example, Xavi will also be able to provide something more than what he can show this season. But unfortunately he couldn't get all of that, so that also became an obstacle for him to make Barcelona better.