This was announced sometime back. Bethesda will be shutting down it's launcher and move all of it's games to Steam.
Sources:
Sources:
*www.engadget.com/bethesda-pc-launcher-shut-down-steam-171552109.html
*arstechnica.com/gaming/2022/02/rip...-its-nearly-full-transfer-to-steam-will-work/
*gamerant.com/bethesda-pc-launcher-shutdown-steam-migration/