Here's a bit of reading of the tea leaves from Mike Evans at Macfilos.
He covers his thoughts and predictions on the SL, Q and the possibility of an M with EVF as well as the M system.
Leica in 2024 and 2025: What’s next from Wetzlar
https://www.macfilos.com/2024/02/05/leica-in-2024-and-2025-whats-next-from-wetzlar/