install soname 'client_ed25519';
Got one of the listed errors
include/master-slave.inc
[connection master]
connection slave;
install soname 'auth_ed25519';
connection master;
install soname 'auth_ed25519';
create user rpluser@'%' identified via ed25519 using PASSWORD('rpl_pass');
grant replication slave on *.* to rpluser@'%';
connection master;
connection slave;
include/stop_slave.inc
change master to master_user='rpluser', master_password='rpl_pass';
include/start_slave.inc
# Cleanup
include/stop_slave.inc
change master to master_user='root', master_password='';
include/start_slave.inc
include/stop_slave.inc
drop user rpluser@'%';
uninstall soname 'auth_ed25519';
connection master;
drop user rpluser@'%';
uninstall soname 'auth_ed25519';