> Commit d449772cf69c01932fc5d72c46054815d6300b3c stopped setting
> COINBASE_FLAGS, and it looks like it hasn't been used since P2SH.
> Update the help string to remove "flags", which is not specified in
> BIP 22.
This is a backport of Core [[https://github.com/bitcoin/bitcoin/pull/17519 | PR17519]]