I quite like Articles, but it is essentially just that. It's the absolute basics of blogging. Categories is a must, tagging works fine but it would be good to have more control over the container page output, and would also be nice for the options to be made more obvious, and remove the fluff that isn't required.
One of my annoyances with it is that the default chunks for everything are NOT shown in the elements tree. Took me a while to find them at first. They should all be there so you can very quickly find and duplicate them for your own purposes. Things like the pagination - why are the chunks set out like that in settings? Why aren't they just in chunks where you'd expect to find them?
I agree with commenting, nice to have Quip integration but I'd usually drop Diqus in there instead, so would be useful to have an option on install whether or not you want Quip - no point it being installed if you don't need it and won't use it! Also, throw away the default "sample" templates. They're a mess. Just include the absolute basics people need/want - like a boilerplate - not a full theme nobody is going to use. This will also remove pretty much 50% of the "Advanced Settings" - because nearly half of it is for commenting!
Probably goes against the point of MODX with you being able to make what you want of it, but every time I use Articles, I ALWAYS want the option of a post image, why not include this by default? I've seen other people mention on the forums they want this too.
http://forums.modx.com/thread/87179/how-to-enter-article-specific-tvs#dis-post-480280 - for example.
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