Draw from question bank - repetition?

I have a single question bank of 12 questions, with a request to draw 5, and a pass mark of 80%.

During initial testing, I thought I'd seen a repeated question (Q4 was also shown as Q5) but brushed it off as a glitch.

I've sent the course off to review and both reviewers have had the same.

There's a three year old thread where a bug was reported but no definitive outcome. Is there any known issue?

(My only other experiences of questions have either been the flat type in SL2, and an SL360 bank which drew five from five)

https://community.articulate.com/discussions/articulate-storyline/question-bank-pulls-repeat-questions-and-this-is-not-a-problem

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