A great little downloader! I've been using it for a long time. The only times I've ever had any "problems with it" have been the result of YT having made code changes ~ probably to try to thwart those of us who archive informative videos which we like; but, which a lot of the folks associated with YT would prefer to "flush down the 1984'ish memory hole..." The developer of this add-on does a really good job of building updates to address these code changes as quickly as possible. My ONLY regret about using this add-on is that, as a disabled senior, I'm too destitute to be able to repay him for all his hard work in any other way than to recommend him to others...