Version 1.3.1 fixes a visual bug that produced errors in the Dashboard Widget. The error could result in other dashboard widgets not functioning properly.
Thank you Derek for pointing this out to me! 
Delete Duplicate Posts is a WordPress plugin that checks and optionally deletes any duplicate posts it finds on your blog.
Lars Koudal - WordPress Developer and SEO consultant based in Barcelona.
I’ve recently tried running this plugin with no positve results at all… I mean, I have 20,000 syndicated posts on my blog an it doesnt detect any repeated post even though I know for certain that there are. I updated to the latest ver. today and still the same….nothing
Hi
Yes, I have encountered the same problem myself quite recently on some blogs. The problem is server-specific (as I can see so far).
I will try to fix the problem soon, I have just been very busy lately, working on WP Viral Traffic among other things.
The bug annoys me too, so I will have it fixed, but I cannot promise when, sorry
If someone wants to assist with this plugin, please let me know.
cna you make it auto detect and AUTO DELETE?
This plugin seems to be very useful, i will test it, thanks
Sorry but this plugin don’t work fine. for 2.8.6 version
Thank you the plugin very good for me
Hello. Thanks for the plugin. It’s very good for me, too.
Would be very useful if you can add an option to check the wp filter that save the post and if already exist the same name, delete it or no save.
btw thank you very much.
regards
Esteban
Can the delete duplicate posts plugin also detect duplicate content. What i am trying to say is… even if the poster changes the title and still posts the same exact content, the plugin does nothing. I locate this posts now in my webmaster tools and have to delete them after being indexed for awhile. I don’t know if i should explain better, it’s 2 a.m. and i’m about to fall asleep on the keyboard.
Hi Derek
I hope you got some rest
No, the plugin only checks the title of the posts, and not the content, sorry.