Usually best to edit with
disused=*
unless there is something new there already.
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Published using OSMCha: https://osmcha.org/changesets/151109527

Some of these buildings are mapped extremely thin. I also think you should take a look at building=terrace
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Published using OSMCha: https://osmcha.org/changesets/151030651

Is residential the correct highway tag here? It does not appear to be a residential road based on the imagery. If anything this would be highway=track.
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Published using OSMCha: https://osmcha.org/changesets/151030038

The ways appear to have a justification for being divided (divider is physical separation + island, and both roads seem like they are 1 way for each respective section), and the oneway tagging on them seems correct.
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/129349292

Checking the vintage on my imagery appears that I probably did not catch the gate. Sorry for bothering you!
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#REVIEWED_GOOD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/129458769

roads seem decent, buildings, not so much. Try to avoid mass modification and section out changesets more as well. (That's why the OSMCha filter caught it).
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/129458995

Another private tag on what would appear to be a publicly accessible road?
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/129349292

The roads appear to be accessible by the general public, and are therefore not private. Defined at : access=private
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/129458769

More than just sidewalks- I corrected a part of the underground gas pipeline in the park. That's why it shows a huge stretch of nowhere as edited.