Looks like I don't really need @EFF 's HTTPS Everywhere add on anymore as Firefox has added HTTPS-only mode ( for new enough releases ) and also blocks mix content
I had been wondering if it's still providing me any functionality
If you still want the rulesets, HE is moving to a lookup service from DuckDuckGo (sounds privacy problematic) by the end of 2021
Thanks to @resist1984 for commenting on the ruleset change as I'd overlooked the announcement
For people who care about, support, or build Free, Libre, and Open Source Software (FLOSS).