The twitter block issue is caused by Firfox filters. Firefox is working on a fix. The announcement reads as: Hey folks, we are aware of the Twitter issue and our team is working on a fix at the moment.
In the meantime, disabling Enhanced Tracking Protection or changing it from Strict should fix this issue temporarily. Here's how to do that: https://support.mozilla.org/en-US/kb/enhanced-tracking-protection-firefox-desktop#w_what-to-do-if-a-site-seems-broken
@nixCraft This means that instead of telling X it's tracking is crap/odius, the foundation hardcodes an exception for X? Why not just inform users that X does not cut out of you want some privacy, maybe just a menu choice "use less privacy to allow X to track you".?
@dany_57987 @nixCraft tracker blockers can sometimes be overzealous and break things with false positives. I assume that if Firefox took that stance, it's likely one of those cases.
@Amikke @nixCraft Aha! Yes, I understand false positives. This puts the action of the foundation in a diffetent shade. If the offending filter was a"experimental" feature. Always more to an issue than surfaces from start.