Blood Bowl 3 is being replaced by Warhammer Blood Bowl: What will happen to everyone's unspent currency?

What happened

• Blood Bowl 3, the latest videogame iteration of Games Workshop's tabletop game of literal fantasy football, has an in-game store where a currency called Warpstone can be spent on cosmetics and new teams.
• An upgraded version called Warhammer Blood Bowl, now published by Slitherine rather than previous publisher Focus Home Interactive, is currently in beta and will eventually replace Blood Bowl 3.
• Slitherine has said anyone who owns Blood Bowl 3 will get Warhammer Blood Bowl for free, and their account will transfer over. But the way new teams are unlocked will be changing.
• Will we carry over our unspent Warpstone, or should we blow it all now before Blood Bowl 3 is deprecated when Warhammer Blood Bowl comes out later this year? Players are confused.

I reached out to clarify the situation, and a Slitherine representative answered my questions. Here's the most important part: "Players will use the same BB account on both games, so they will instantly get all cosmetics, warpstones and teams they bought in BB3, into ...