Question about TMLR [D]

I have a submission under review in TMLR. Less than a month after submission, I have already received 2 reviews. However, a month has passed since those two reviews, and I still haven't received the third. Is this normal?

I have already made the suggested changes, but the journal recommends updating the manuscript in OpenReview only after receiving three reviews. So I also haven't posted any answers yet. I messaged the Action Editor to ask whether I would receive another review, but I sent it a month ago, and he hasn't answered.

I'm not criticizing TMLR; my experience has been very positive, and I understand they are struggling with the unreasonable number of submissions. I'm only asking because I do not know if it is a good idea to keep waiting for the third review.