Cent features are almost complete..

[Admini]

Sure, but I in my experiments, some download process would be unstable, stopped, even broken if there are too many active download process at a time. I think that it is great if we can do all download process without any other similar tools. Beside, the using of external downloader would decrease the network bandwidth.

We would have a research into this request.But those download tools also can limit speed and concurrent tasks amount.
And you may try this extension:
https://chrome.google.com/webstore/detai...hecn?hl=en