I guess the option "Close tab automatically" is not selected. Click on the "Duplicate Tab Closer" button. In the popup panel =>click on "Options" => click on "On duplicate tab detected" => select "Close tab automatically".
As the add-on is not named "Automatic Duplicate Tabs Closer", the option to auto close the tabs is not activate by default. ;)
A great extension that helps me keep CPU usage down by aiding in minimizing duplicate tabs. A plus is that the add-on provides options to simply alert user of duplicate tabs or automatically close them when detected.
thanks for the report, you are right I can remove some permissions not needed anymore (there are others you have not listed that can also be removed). I'll push the code in Github so you'll be able to look at the code more easily. :)
Anyway, I'm not sure it's worth three stars for that.
Have a feature request: I run into this case, where certain websites' URL behaves differently, where their hash part causes content changes to the site. Wondering if I could have a list of websites which have their own specific set of filter configurations (for example on those sites, I'd like to disable "compare with tab title"). Could be specified by domain, or URL pattern.
I use it all the time. Only one request: please return the option to "Open popup" on duplicate tab detected!! I've always used it to choose if I want to close it or go back and enter other links... Now I have to choose "Do nothing", and actively look to the small badge number..... Please return the option to open popup! Thank you!
As you mention, there is probably a conflict with other tab add-ons. Can you make a test with the suspected add-ons disabled to see if you reproduce the problem? Can you give me the link to those add-ons? (for exemple I cannot find BarTab Plus)