Tor-control-panel > Utilities > New Identity button doesn't do anything

Tor-control-panel > Utilities > New Identity button doesn’t do anything. Not tab gets closed. No log gets generated.

When I switch to a different Qube configured to use sys-whonix networking, do I get a new tor identity automatically?

Expected. Documentation updated just now:

What happens, what can be said:

Quote:

Multiple Whonix-Workstation ™ are automatically stream isolated. [4]

But there is no new identity on switch.