In Bitcoin core 0.21 which command replaces getaccountaddress
which command replace getaccountaddress ?

None, see the notification two and a half years ago in https://bitcoincore.org/en/releases/0.17.0/




Deprecated Method
New Method
Notes




getaccount
getaddressinfo
getaddressinfo returns a json object with address information instead of just the name of the account as a string.


getaccountaddress
n/a
There is no replacement for getaccountaddress since labels do not have an associated receive address.


getaddressesbyaccount
getaddressesbylabel
getaddressesbylabel returns a json object with the addresses as keys, instead of a list of strings.




etc.