Nope, all three of those signed/will sign on 1st July. (After contracts expired/will expire)
https://www.rovers.co.uk/news/2023/june/15/sondre-signs-/
‘He will officially become a Blackburn Rovers player – along with fellow summer signing Niall Ennis – on July 1st’
https://www.swanseacity.com/news/cameron-burgess-seals-swansea-city-move
‘The 29-year-old defender will become a Swansea player on July 1, having agreed a three-year contract, with the club having faced considerable competition in securing his services’
The fact deals were sorted and announced earlier would have been because their current club gave permission.
As we want to keep Batth that won’t be happening with him.