Ignore Thread

[Vicissitudo]

Hello eveyone,

I don't know if it's just my lacking of common knowledge and/or if this question has been asked and answered already.
"Ignore Thread > Also Ignore Threads" has been added as a feature since a while now, but apparently I can't make it work.

I keep selecting one or more tags and I suppose that I shouldn't see them anymore in general... but keep appearing.

Spoiler: For instance

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I'm selecting one or more of these tags... but I keep seeing threads with given tags. Apparently nothing happens...
I just wanted to know, am I doing something wrong? Is there some setting I forgot to turn on/off?

Thanks in advantage!