Circular duplicates in the close review queue?
51087
Remove votes to close question X as a duplicate of Y if question Y is closed as a duplicate of X
104285
Vanishing close-votes when the original version of a duplicate is deleted?
78861
Why are there two separate boxes about duplicate questions?
1467
Low Quality review queue erroneously showing "Close" instead of "Recommended Close"?
59844
How do I handle partially correct edits in the Suggested Edits review queue?
112760
Bug when marking a question as duplicate
10293
How should duplicate questions be handled?
99207
Lock questions in the review queue while being reviewed
14695
Many reopen votes available in the review queue
133576
Should we reword the closure text for duplicate questions?
98013
Bug with the new reopen review queue
46223
How do I remove duplicates when using the random sort?
103254
What is the difference of closing for duplicate and flagging for duplicate?
149234
Stop generating "possible duplicate" comments
58479
Close as a duplicate on mobile: Lots of Vertical Scrolling
106952
"Please ask a new question" encourages question repetition for duplicates
102097
How to find all questions that were duplicates of another question?