About 2 days ago, I updated iwd from 1.2 to 1.3 and was no longer able to connect to my AP. Here are my logs of both versions:
$this->bbcode_second_pass_code('', ' ======IWD 1.3======
● iwd.service - Wireless service
Loaded: loaded (/usr/lib/systemd/system/iwd.service; enabled; vendor preset: disabled)
Active: active (running) since Sun 2019-12-15 22:07:22 EST; 15s ago
Main PID: 1447 (iwd)
Tasks: 1 (limit: 4554)
Memory: 608.0K
CGroup: /system.slice/iwd.service
└─1447 /usr/lib/iwd/iwd
Dec 15 22:07:22 myhost iwd[1447]: Wireless daemon version 1.3
Dec 15 22:07:22 myhost systemd[1]: Started Wireless service.
Dec 15 22:07:22 myhost iwd[1447]: netconfig: Network configuration is disabled.
Dec 15 22:07:22 myhost iwd[1447]: Wiphy: 0, Name: phy0
Dec 15 22:07:22 myhost iwd[1447]: Permanent Address: 17:67:a0:12:1b:c3
Dec 15 22:07:22 myhost iwd[1447]: Bands: 2.4 GHz 5 GHz
Dec 15 22:07:22 myhost iwd[1447]: Ciphers: CCMP TKIP BIP
Dec 15 22:07:22 myhost iwd[1447]: Supported iftypes: station ap p2p-client p2p-go
Dec 15 22:07:22 myhost iwd[1447]: Set Station failed for ifindex 5
Dec 15 22:07:22 myhost iwd[1447]: Received error during CMD_TRIGGER_SCAN: Operation not supported (95)
======IWD 1.2======
● iwd.service - Wireless service
Loaded: loaded (/usr/lib/systemd/system/iwd.service; enabled; vendor preset: disabled)
Active: active (running) since Sun 2019-12-15 22:09:09 EST; 8s ago
Main PID: 1725 (iwd)
Tasks: 1 (limit: 4554)
Memory: 616.0K
CGroup: /system.slice/iwd.service
└─1725 /usr/lib/iwd/iwd
Dec 15 22:09:09 myhost iwd[1725]: The following options are missing in the kernel:
Dec 15 22:09:09 myhost iwd[1725]: CONFIG_KEY_DH_OPERATIONS
Dec 15 22:09:09 myhost iwd[1725]: Wireless daemon version 1.2
Dec 15 22:09:09 myhost systemd[1]: Started Wireless service.
Dec 15 22:09:09 myhost iwd[1725]: netconfig: Network configuration is disabled.
Dec 15 22:09:09 myhost iwd[1725]: Wiphy: 0, Name: phy0
Dec 15 22:09:09 myhost iwd[1725]: Permanent Address: 17:67:a0:12:1b:c3
Dec 15 22:09:09 myhost iwd[1725]: Bands: 2.4 GHz 5 GHz
Dec 15 22:09:09 myhost iwd[1725]: Ciphers: CCMP TKIP BIP
Dec 15 22:09:09 myhost iwd[1725]: Supported iftypes: station ap p2p-client p2p-go ')
Downgrading to 1.2 fixes it. Looking at the changes between the 1.2 and 1.3 in their repository, nothing sticks out that I think could be the culprit.