Not sure if they really switch to a P2TR address as they would be unable to spend from it for the next six months.
The address bc1qf274x7penhcd8hsv3jcmwa5xxzjl2a6pa9pxwm has been receiving coinbase rewards from an 'unknown' miner paid a full block reward to the old F2Pool address (likely as a proof that the own the new address).
Not sure if they really switch to a P2TR address as they would be unable to spend from it for the next six months.
The address bc1qf274x7penhcd8hsv3jcmwa5xxzjl2a6pa9pxwm has been receiving coinbase rewards from an 'unknown' miner paid a full block reward to the old F2Pool address (likely as a proof that the own the new address).
https://web.archive.org/web/20210530050325/https://twitter.com/f2pool_official/status/1398866105553199104