@ccartersti - Just wanted to mention this isn't a bug. Set the "at least x keywords must be present to 0" since its using negative keywords, that setting isn't necessary. By default it will check to make sure none of the negative keywords are present.
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Happen to have a screenshot of how you have the kw filter setup?
I have a few keywords in the keyword box
I chose "visible text"
I chose "keyword must be present"
Then I set it to 1.
I pressed ok and its checked on the main project screen. I saved the project and opened it and its still checked.
Maybe I'm missing something?
I think negative matching might be the issue