Rated 4 out of 5 stars

a great idea, but does not work drag-and-drop to Tab Bar (FF 34)
however, thanks to the author

P.S.
arai_a, thanks for the reply
If the Tab Mix Plus addon off, then drag-and-drop to Tab Bar works.
arai_a, please, if possible, take a look in terms of compatibility with Tab Mix Plus.

This review is for a previous version of the add-on (0.0.19). 

Thank you for reviewing.
It might be the confliction with other add-on.
please report the detail in support forum.
http://www.unmht.org/forum/en/topics.html

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I'm going to port the feature of this add-on to Firefox itself,
so I'm not planning to add compatibility workaround with other add-ons to this.

Very useful, with a problem Rated 4 out of 5 stars

...and problem being - regular single drag-and-drop doesn't work. Relevance? Let's say you're doing a reverse-image search on Google by dragging the image from your PC to the placeholder. Image is just opened inside browser, and not uploaded to Google.

A web-address exception handling within plugin might be required, for those sites that provide drag'n'drop functionality.

This review is for a previous version of the add-on (0.0.3).