In case you missed it, trixie freeze dates have been announced!

2025-03-15      - Milestone 1 - Transition and toolchain freeze
2025-04-15      - Milestone 2 - Soft Freeze
2025-05-15      - Milestone 3 - Hard Freeze
To be announced - Milestone 4 - Full Freeze

After trixie and forky the Debian release name for Debian 15 will be “duke”.

https://lists.debian.org/debian-devel-announce/2025/01/msg00004.html