[BRLTTY] Running latest BRLTTY as a user for terminal access

[Jason White]

As we've discussed, I set up a systemd unit to run BRLTTY under my user 
identity to provide access to the terminal in Wayland sessions (with 
Orca's taking care of the desktop).

This was working well until I upgraded to the latest version of BRLTTY 
from Git, via the Arch Linux brltty-git package - see the log messages 
below. BRLTTY terminates and does not monitor the terminal.

Is there something wrong with my system configuration?

Jun 29 11:37:21 jpw brltty[1384]: group not joined: 965(pulse-access)
Jun 29 11:37:21 jpw brltty[1384]: brltty: group not joined: 
965(pulse-access)
Jun 29 11:37:21 jpw brltty[1384]: group not joined: 987(uucp)
Jun 29 11:37:21 jpw brltty[1384]: brltty: group not joined: 987(uucp)
Jun 29 11:37:21 jpw brltty[1384]: brltty: required capability not 
granted: cap_sys_admin (for injecting input characters typed on a 
braille device)
Jun 29 11:37:21 jpw brltty[1384]: brltty: required capability not 
granted: cap_sys_tty_config (for playing alert tunes via the built-in PC 
speaker)
Jun 29 11:37:21 jpw brltty[1384]: brltty: required capability not 
granted: cap_mknod (for creating needed but missing special device files)
Jun 29 11:37:21 jpw brltty[1384]: required capability not granted: 
cap_sys_admin (for injecting input characters typed on a braille device)
Jun 29 11:37:21 jpw brltty[1384]: required capability not granted: 
cap_sys_tty_config (for playing alert tunes via the built-in PC speaker)
Jun 29 11:37:21 jpw brltty[1384]: required capability not granted: 
cap_mknod (for creating needed but missing special device files)