A little from my config:
<?xml version="1.0"?>
...
<core>
<decoration>server</decoration>
<gap>0</gap>
<adaptiveSync>no</adaptiveSync>
<reuseOutputMode>no</reuseOutputMode>
<primarySelection>no</primarySelection>
<allowTearing>no</allowTearing>
<autoEnableOutputs>yes</autoEnableOutputs>
<xwaylandPersistence>no</xwaylandPersistence>
</core>
...
<keybind key="A-Tab"><action name="NextWindow" /></keybind>
...
<mousebind button="Right" action="Drag"><action name="Resize" /></mousebind>
...
<windowRule identifier="xfce4-appfinder" matchOnce="false" fixedPosition="yes" serverDecoration="no">
<skipTaskbar>yes</skipTaskbar>
<skipWindowSwitcher>yes</skipWindowSwitcher>
<ignoreConfigureRequest>yes</ignoreConfigureRequest>
<fixedPosition>yes</fixedPosition>
<action name="ToggleAlwaysOnTop"/>
<action name="MoveToEdge" direction="up" snapwindows="false" />
<action name="MoveToEdge" direction="right" snapwindows="false" />
</windowRule>
...etc etc.