According to: https://www.wikitree.com/index.php?title=Special:BrowseMatches&type=pending&order=dateup&canAct=0&s=Luten One of the managers has given approval, the other has not -- yet. The merge was proposed less than 25 days ago. Once it passes 30 days, it will go into default approval -- then anyone (who is pre-1700 certified, in this case) can complete the merge.