Call for testing: improved WiFi via iwd

On my Mantic I installed iwd and is working but i no longer have the file */etc/NetworkManager/conf.d/iwd.conf
I have created it at beginning but have renamed for some test.
so iwd seems working without iwd.conf
can you confirm please?

corrado@corrado-n14-mm-0521:~$ systemctl status wpa_supplicant
○ wpa_supplicant.service
     Loaded: masked (Reason: Unit wpa_supplicant.service is masked.)
     Active: inactive (dead)
corrado@corrado-n14-mm-0521:~$ systemctl status iwd
● iwd.service - Wireless service
     Loaded: loaded (/lib/systemd/system/iwd.service; enabled; preset: enabled)
     Active: active (running) since Sun 2023-07-16 14:35:21 CEST; 1h 56min ago
       Docs: man:iwd(8)
             man:iwd.config(5)
             man:iwd.network(5)
             man:iwd.ap(5)
   Main PID: 1149 (iwd)
      Tasks: 1 (limit: 18783)
     Memory: 2.2M
        CPU: 76ms
     CGroup: /system.slice/iwd.service
             └─1149 /usr/libexec/iwd

Jul 16 14:35:21 corrado-n14-mm-0521 iwd[1149]:                         12.0 Mbps
Jul 16 14:35:21 corrado-n14-mm-0521 iwd[1149]:                         18.0 Mbps
Jul 16 14:35:21 corrado-n14-mm-0521 iwd[1149]:                         24.0 Mbps
Jul 16 14:35:21 corrado-n14-mm-0521 iwd[1149]:                         36.0 Mbps
Jul 16 14:35:21 corrado-n14-mm-0521 iwd[1149]:                         48.0 Mbps
Jul 16 14:35:21 corrado-n14-mm-0521 iwd[1149]:                         54.0 Mbps
Jul 16 14:35:21 corrado-n14-mm-0521 iwd[1149]:         Ciphers: CCMP-256 GCMP-256 GCMP-128 CCMP-128
Jul 16 14:35:21 corrado-n14-mm-0521 iwd[1149]:                  TKIP
Jul 16 14:35:21 corrado-n14-mm-0521 iwd[1149]:         Supported iftypes: ad-hoc station ap