Please first https://www.whonix.org/wiki/Update as usual since many fixes are in the repository such as Tor Browser in DispVM preinstallation.
This one every tester might like to test.
Installs ‘anon-whonix’ AppVM.
sudo qubesctl state.sls qvm.anon-whonix
This one every tester might like to test.
Installs ‘whonix-ws-dvm’ AppVM as a base for Disposable VMs.
sudo qubesctl state.sls qvm.whonix-ws-dvm
This depends on your personal preference.
Setup UpdatesProxy to always use sys-whonix all TemplateVMs are upgraded over Tor.
sudo qubesctl state.sls qvm.updates-via-whonix
( https://www.whonix.org/wiki/Dev/Qubes#salt )