It is confirmed that a new Battlefield game is happening for a 2023 release, according to EA CEO Andrew Wilson during the investor call on August 5th, 2021. Nothing else is currently known about the game yet.
OFFICIAL SOURCE: https://metro.co.uk/2021/08/05/new-battlefield-in-2023-and-free-to-enter-component-suggests-ea-15041237/
Videos that have been mentioned:
Battlefield Central: https://www.youtube.com/watch?v=lzPPFN7rJ_0
Lossy: https://www.youtube.com/watch?v=wUAmvAZQE_8
Moving forward, we've made the Battlefield (2023) article page, and we are planning it to lock this article very soon to avoid flame wars and untrusted leaks: https://battlefield.fandom.com/wiki/Battlefield_(2023)
Hope to see you soon on the Battlefield.