- _"Enable strict blocking"_: This is the only available mode. Strict-blocking was added at some point during HTTPSB development, and at the time I kept "loose blocking" just to not upset the users who already got used to this way of working.
- _"Auto create temporary"_: Not needed anymore with the new literal `1st-party` row. Set rules on the `1st-party` which will be inherited by whatever row which is deemed first-party to the URL in the address bar.
- _"Copy all rules from global scope into newly created local scopes"_: Not needed anymore since all scopes virtually exist at all time.
- _"Auto delete unused temporary scopes"_: Again, not needed anymore since all scopes virtually exist at all time.