Call for testing: improved WiFi via iwd

I installed iwd on my mantic with kernel 6.5.0-060500rc1-generic
iwd: Installed: 2.6-1ubuntu1
but i don’t find the file: /etc/NetworkManager/conf.d/iwd.conf
corrado@corrado-n14-mm-0521:~$ ls /etc/NetworkManager/conf.d/
default-wifi-powersave-on.conf
corrado@corrado-n14-mm-0521:~$
… edit:
ok, created iwd.conf and after reboot I don’t had wifi but after
sudo systemctl restart iwd
now my wifi is ok

corrado@corrado-n14-mm-0521:~$ iwctl
Rejected send message, 2 matched rules; type=“method_call”, sender=":1.131" (uid=1000 pid=7282 comm=“iwctl”) interface=“org.freedesktop.DBus.ObjectManager” member=“GetManagedObjects” error name="(unset)" requested_reply=“0” destination=“net.connman.iwd” (uid=0 pid=3638 comm="/usr/libexec/iwd")
Failed to retrieve IWD dbus objects, quitting…

Waiting for IWD to start…
corrado@corrado-n14-mm-0521:~$ sudo iwctl
[sudo] password for corrado:
NetworkConfigurationEnabled: disabled
StateDirectory: /var/lib/iwd
Version: 2.6
[iwd]#