If you still desire to use them, install bluez-utils-compat AUR. Since these tools will no longer be updated, it is recommended that scripts be updated to avoid using them.
The generic Bluetooth driver is the btusb kernel module.Alternatively install bluez-utils-compat AUR to additionally have the deprecated BlueZ tools. Install the bluez-utils package, providing the bluetoothctl utility.Install the bluez package, providing the Bluetooth protocol stack.
6.22 Problems with some Bluetooth drivers in kernel 5.10.6.21 Continually connect/disconnect with tp-link UB400 and xbox controller.6.20 Problems with all BLE devices on kernel 5.9+.6.19 Adapter disappears after suspend/resume.6.17 Interference between Headphones and Mouse.6.16 Cannot receive transferred files due to symlink.6.14 Device does not connect with an error in journal.6.13 Device connects, then disconnects after a few moments.6.12 Intel combined WiFi and Bluetooth cards.6.11 Foxconn / Hon Hai / Lite-On Broadcom device.6.8 systemd: Condition check resulted in Bluetooth service being skipped.6.7 bluetoothctl: No default controller available.6.4.1 Audio devices start to skip at short distance from dongle.