Well, content updates, quality of life changes, and more according to Brännvall:.
This information comes via an interview between Battlefront 2's design director,
Dennis Brännvall, and website PCGamesN(archive. is).
Brännvall happened to be at Gamescom 2019 when the interview took place,
and of course, the publication site wound up at the games event where the exchanging of words went down with said design director.