Error (Possibly spurious) after login "bluetoothd: Failed to set default system config for hci0 "

Bluetooth device MT7922 (seached by VID:PID). core/linux-firmware-mediatek is installed.

Error showed up possibly after recent firmware (20260110-1) update. Was not getting error previously. Bluetooth and wi-fi seem to be working and file transfers over bluetooth are possible.

Output of # journalctl -p 3 -xb

bluetoothd[1057]: Failed to set default system config for hci0

Output of # dmesg | grep -i bluetooth

[    5.773847] Bluetooth: Core ver 2.22
[    5.773861] NET: Registered PF_BLUETOOTH protocol family
[    5.773862] Bluetooth: HCI device and connection manager initialized
[    5.773865] Bluetooth: HCI socket layer initialized
[    5.773868] Bluetooth: L2CAP socket layer initialized
[    5.773872] Bluetooth: SCO socket layer initialized
[    5.822669] Bluetooth: hci0: HW/SW Version: 0x008a008a, Build Time: 20260106153735
[   26.711645] Bluetooth: hci0: Device setup in 20413326 usecs
[   26.711650] Bluetooth: hci0: HCI Enhanced Setup Synchronous Connection command is advertised, but not supported.
[   26.991347] Bluetooth: hci0: AOSP extensions version v1.00
[   26.991364] Bluetooth: hci0: AOSP quality report is supported
[   32.216292] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   32.216294] Bluetooth: BNEP filters: protocol multicast
[   32.216297] Bluetooth: BNEP socket layer initialized
[   32.216968] Bluetooth: MGMT ver 1.23
[   32.248429] Bluetooth: hci0: HW/SW Version: 0x008a008a, Build Time: 20260106153735
[   32.434458] Bluetooth: hci0: Device setup in 193255 usecs
[   32.434460] Bluetooth: hci0: HCI Enhanced Setup Synchronous Connection command is advertised, but not supported.
[   32.770411] Bluetooth: hci0: AOSP extensions version v1.00
[   32.770414] Bluetooth: hci0: AOSP quality report is supported
[   48.081040] Bluetooth: RFCOMM TTY layer initialized
[   48.081045] Bluetooth: RFCOMM socket layer initialized
[   48.081046] Bluetooth: RFCOMM ver 1.11

The “HCI Enhanced Setup Synchronous Connection command is advertised, but not supported.” seems like the only thing out of place.

Output of # rfkill list

0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no

Tried: reinstall firmware, shutdown - unplug - start back up.

What could be causing error? Where to post for it to be appropriately addressed?

SYSTEM INFO
Operating System: EndeavourOS
KDE Plasma Version: 6.5.5
KDE Frameworks Version: 6.23.0
Qt Version: 6.10.2
Kernel Version: 6.18.9-arch1-2 (64-bit)
Graphics Platform: Wayland
Processors: 12 × AMD Ryzen 5 7600 6-Core Processor
Memory: 32 GiB of RAM (30.5 GiB usable)
Graphics Processor 1: AMD Radeon RX 9060 XT
Graphics Processor 2: AMD Ryzen 5 7600 6-Core Processor
Manufacturer: Micro-Star International Co., Ltd.
Product Name: MS-7D73
System Version: 1.0