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- Where can I find a review of the current progress in quantum gravity?

Hi, there. I am interested in quantum gravity. But I am not sure how to find review papers about its recent developments. I tried "quantum gravity" on google scholar. But I could not find a suitable review other than that about loop quantum gravity. I am not sure what are the other approaches to this problem and I am looking for papers covering them.

BTW, I have heard loop quantum gravity several years ago. In my memory, this theory seemed not to give any new predictions and is questionable. What is its status now in the physics community?

Thanks.

BTW, I have heard loop quantum gravity several years ago. In my memory, this theory seemed not to give any new predictions and is questionable. What is its status now in the physics community?

Thanks.