Rated 4 out of 5 stars

This add-on fixes the primary issues with the download manager. Because of it, I'm able to work faster, because the downloads are integrated into the tab manager. There are some problems: 1. having the sidebar and tab options is bloatware. Assuming it wouldn't take up to much infrastructure, these 2 features should be split into separate add-ons. Also, when the user has a large amount of tabs open, sometimes the tab manager tab stops responding. However, this could be a byproduct of Firefox itself and not the add-on. Overall, 8/10.

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