Related documentation:
Prevent Bypassing of the Tunnel-Link
Related wiki template:
https://www.whonix.org/wiki/Template:Tor_Browser_Remove_Proxy_Settings
Updated just now:
Template:Tor Browser Remove Proxy Settings: Difference between revisions - Whonix
Tor Browser Settings Changes
Required since Tor Browser 10. Untested. Please report if this works.
Tor Browser → URL bar → search for
network.dns.disabled
→ set tofalse
See also: