This could be the case.Perhaps not all versions if iPhone 15 Pro sold worldwide have this option.
Same issue for me. I have a newer Amazon FireTV and a Fire Tablet that just won't authenticate anymore when wifi 7 is enabled. It seems to be that new encryption setting that breaks it. When I disabled wifi 7, it reverts to just AES and everything connects fine. Hopefully they can release a bug fix soon that fixes this issue. I have 2 wifi 7 devices, but will continue to stick to just wifi 6e for now sadly.
May 11 14:05:26 wlceventd: wlceventd_proc_event(685): wl2: Auth <MAC ADDRESS>, status: Successful (0), rssi:0
May 11 14:05:26 wlceventd: wlceventd_proc_event(645): wl2: Deauth_ind <MAC ADDRESS>, status: 0, reason: Unspecified reason (1), rssi:0
May 11 14:05:43 wlceventd: wlceventd_proc_event(645): wl1: Deauth_ind <MAC ADDRESS>, status: 0, reason: Unspecified reason (1), rssi:0
May 11 14:05:56 wlceventd: wlceventd_proc_event(645): wl0: Deauth_ind <MAC ADDRESS>, status: 0, reason: Unspecified reason (1), rssi:0
May 11 14:06:12 wlceventd: wlceventd_proc_event(645): wl2: Deauth_ind <MAC ADDRESS>, status: 0, reason: Unspecified reason (1), rssi:0
May 11 14:06:12 wlceventd: wlceventd_proc_event(685): wl2: Auth <MAC ADDRESS>, status: Successful (0), rssi:0
May 11 14:06:12 wlceventd: wlceventd_proc_event(645): wl2: Deauth_ind <MAC ADDRESS>, status: 0, reason: Unspecified reason (1), rssi:0
May 11 14:06:29 wlceventd: wlceventd_proc_event(645): wl1: Deauth_ind <MAC ADDRESS>, status: 0, reason: Unspecified reason (1), rssi:0
May 11 14:06:46 wlceventd: wlceventd_proc_event(645): wl0: Deauth_ind <MAC ADDRESS>, status: 0, reason: Unspecified reason (1), rssi:0
May 11 14:07:03 wlceventd: wlceventd_proc_event(645): wl2: Deauth_ind <MAC ADDRESS>, status: 0, reason: Unspecified reason (1), rssi:0
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