Alt-F6 preset to Stick window, the actual effect is Only on This Workspace
Xfce on FreeBSD stable/13 in a VirtualBox guest.
When the shortcut is used, the effect differs from its preset.
After trying repeatedly with a physical keyboard on USB, I tried repeatedly with the soft keyboard of VirtualBox:
The shortcut does not result in Always On Top (if that's what's meant by stick).
Environment
grahamperrin@mowa219-gjp4-freebsd-13-stable-vm:~ $ date ; uptime ; uname -aKU
Fri Dec 31 13:03:55 GMT 2021
1:03PM up 57 mins, 0 users, load averages: 4.15, 3.51, 2.54
FreeBSD mowa219-gjp4-freebsd-13-stable-vm 13.0-STABLE FreeBSD 13.0-STABLE #0 stable/13-n248759-3684bb89d52: Thu Dec 30 02:37:49 UTC 2021 root@releng3.nyi.freebsd.org:/usr/obj/usr/src/amd64.amd64/sys/GENERIC amd64 1300523 1300523
grahamperrin@mowa219-gjp4-freebsd-13-stable-vm:~ $ pkg -vv | grep -e url -e enabled
url : "pkg+http://pkg.FreeBSD.org/FreeBSD:13:amd64/latest",
enabled : yes,
grahamperrin@mowa219-gjp4-freebsd-13-stable-vm:~ $ pkg prime-origins | sort
devel/git
editors/nano
emulators/virtualbox-ose-additions
ports-mgmt/pkg
security/sudo
sysutils/gkrellm2
sysutils/htop
www/firefox
x11-wm/xfce4
x11/qterminal
x11/sddm
x11/xorg
grahamperrin@mowa219-gjp4-freebsd-13-stable-vm:~ $ pkg info -x x11-wm/xfce4-wm
xfce4-wm-4.16.1
grahamperrin@mowa219-gjp4-freebsd-13-stable-vm:~ $