Rated 5 out of 5 stars

Since FireFTP 2.0.29 / Firefox 51.1.0 Drag and Drop files is no more possible.
"Error message=TypeError: event.dataTransfer.types.includes is not a function
Line Number=29"
Please fix.

This review is for a previous version of the add-on (2.0.29).  This user has 3 previous reviews of this add-on.

This will be fixed in version 2.0.30 - sorry for the inconvenience. You can downgrade to the previous version in the meantime.