This is a summary of the reviews you request. First, building should match the roof line of the buildings being added. Second, square the outline by selecting the outline then just type a "q" to look much nicer. And finally, we don't use descriptive names. Instead of name=Cabin I'd recommend building=cabin. 

Can you fixed this buildings you added? I'll send you more info on OSM in a message.
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            Published using OSMCha: https://osmcha.org/changesets/159819103
            