Why are there two different duplicate post notices?
15326
Duplicate explanation should encourage improvement of original
110889
What is the most rampant duplicate on Stack Exchange sites?
64106
Duplicate content concerns for directory listings?
71646
Duplicates of an outdated question
34058
How to debug the mysterious "duplicate value found:  duplicates value on record with id: " error
114222
Different Google Searches return different titles for the same page
72826
New question asking form sometimes leads to accidental double posts of questions
17518
Duplicate Matching Rules via rest API
44211
Duplicate notification for the same reputation event after editing question title
138119
Duplicate question close reason says "already has an answer," which is often false
101911
I do not get notified when the system adds a canned "possible duplicated" comment
70613
“possible duplicate” comment should be re-added if it's been deleted
28195
Protected question notice is confusing and incorrect, especially to users with the association bonus
66262
Nothing happens when I press "Submit" on duplicate suggestion
152605
Duplicate Low Quality Post in First Post & Late Answer - Double Flag?
112391
How should one respond to "duplicate answer" flags?
71168
'same as shipping address' or 'different from shipping address'