Quoting myself from elsewhere:
a proper functioning block system would be a dream come true! drives me crazy that ignoring someone means you still see their content and vice versa, or that if you have someone ignored it shows up in the thread list, ideally it would just skip to the next person who isn't ignored.
also hope they consider allowing users to filter aka "mute" posts with certain words like Twitter.
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My forum is a mental health forum, being able to curate your content and avoid certain individuals is critical for maintaining the peace. And ignoring should not be something that punishes the user from engaging in the forum, to have the most popular user ignored shouldn't mean every node says "Ignored" on the forum list.
A proper ignore/block system that serves to protect the individuals who use forums from seeing people and content is necessary in the current digital climate. People will leave forums if they feel they can't escape content and individuals that disturb them. This isn't about politics or free speech, it's about peace of mind.
Addons are not the answer either, as the only one that worked barely ever did and would inform people they were being blocked any time they'd see "Ignored thread" pop up on the forum list. The only existing addon that had a block function is now gone and the creators have always been ghosts.