This is the latest I can find on him, which suggests a change of heart
https://www.getfootballnewsfrance.com/2018/brighton-set-to-lose-ding-dong-battle-with-nantes-for-batista-mendy/
The Transfer window will be quieter and less hectic for all clubs, since they've sensibly closed it BEFORE the season starts. You don't get the madness of transfer activity overlapping with prep for games (unless you're Burnley).