Greetings. The criticisms are good because they help you understand what you should improve, but I personally do not agree with some that have been made to this addon. Currently this is one of the best feed readers. I have previously used Bamboo feed Reader, very good as well, but not compatible with Quantum.
And that the developer provides support for Quantum, that says a lot about it. This addon is among the best feed readers currently.

JEJEJE, now.
It would be possible to add to future versions the possibility of limiting the amount of feed that is loaded at the same time, example, one at a time, or two at a time, or all at the same time?