I find it really annoying that it seems to default to paramiko for ssh support. I already have all of my ssh setup via openssh (e.g. jumphosts, identity files, connection multiplexing), and I have to pass "--ssh=ssh" to get any of that to work.
#!/bin/sh
exec /usr/bin/xpra --ssh=ssh "$@" :
xpra_cmd="$1"
shift
exec /usr/bin/xpra "$xpra_cmd" --ssh=ssh "$@"
defaults do matter, but defaults can be changed. if it only takes a four-line shell script to change them, they don't matter much
The manpage implies you can't, but I tested and you can.
> and can't you pass the flag when you launch the gui?
I just tested and passing the flag when you launch the gui has no effect.