You missed buildings in this task area. Use shadows and roof colour to identify buildings in the imagery. Several building's shadows are included in their footprint. Shadows are useful in identifying buildings and their orientation but do not include them in the footprint as this will make it appear bigger on the map than it physically is. 

Two pairs of buildings share common nodes. If buildings are attached they will likely share a portion of one or more of their faces and will not be attached at just one point. I believe you hold alt in ID Editor to avoid nodes automatically snapping to others nearby.

One building in the NE is 'L' shaped but mapped as a rectangle and has an anomaly on its SW corner.
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            Published using OSMCha: https://osmcha.org/changesets/136219506
            