Hello.
Why did you create a multipolygon out of independent buildings? This is not a single building, but an apartment complex of multiple buildings.
This whole situation should've been mapped as simple landuse=residential+residential=apartments area. No need to relation complications..
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Published using OSMCha: https://osmcha.org/changesets/148677557

The correct tag here should be osm.wiki/Tag:start_date=.
opening_date= is intended for things that are not open yet.
opening_date=*
vs
start_date=*
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Published using OSMCha: https://osmcha.org/changesets/148663131

How come you deleted building height tag here on 283175865?
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Published using OSMCha: https://osmcha.org/changesets/148660280

Why did you delete valid tags from this hotel?
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/148617250

Why did you completely delete this node rather than use lifecycle prefixes?
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/148617237

Why did you delete valid tags from this node?
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/148617233

Why did you complete delete this node rather than fixing its tags?
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/148617211

Why did you delete valid tags from this feature?
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/148617207

Why did you delete valid tags from this feature?
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/148617200

Why did you delete valid tags from this business?
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/148617194

Why did you delete valid tags on this feature but didn't fix actually incorrect ones?
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/148617178

Why did you delete valid tags from this feature?
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/148617154

Why did you delete valid tags from this feature?
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/148617146

Why did you delete valid description tag?
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/148617131

Why did you delete this valid building?
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/148617120

Why did you delete valid tags from this building?
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/148617103

Why did you delete this business node?
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/148617097

Why did you delete this business node?
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/148616957

Why did you delete valid tags from this feature?
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/148616947

Why did you delete this valid business node?
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/148616918