It seems like, surprisingly, OSM doesn't have a well-established tag to encode the start of construction. 🤔🤷‍♂️
The closest I was able to find is construction_start= tag, but according to https://taginfo.openstreetmap.org/keys/construction_start there are only ~200 uses of it world-wide.

So while using that tag wouldn't be wrong, it's unlikely anybody would actually take advantage of that information.. unless there's a massive increase in popularity of this tag.

You are correct. My apologies here. I saw your 2 similar edits and didn't examine this one as closely as the first one.

You can simply merge them. Select both, that small segment and the rest of its sidewalk and either right-click to select "Merge" or press "C" shortcut(for Combine).
If there are any conflicting tag values iD/Rapid won't let you do that and throw a message at the bottom of the screen. If that happens simply make sure conflicting tags are matching and the rest should just work.

Hello.
Please split your edits into smaller geographic regions. There's no reason for this changeset to contain changes from Washington, US and Columbia.
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Published using OSMCha: https://osmcha.org/changesets/151833879

Is the description of this feature still accurate and relevant or should it be cleaned up?
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Published using OSMCha: https://osmcha.org/changesets/151807630

Hello.
Please split your edits into smaller geographic regions. There's no reason for such a changeset to contain edits from US, Africa and Europe.
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Published using OSMCha: https://osmcha.org/changesets/151795340

Hello.
When mapping sidewalks, generally it's best to map them as a single way from curb to curb, without those tiny "antennas" on the intersection of 2 sidewalks.
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Published using OSMCha: https://osmcha.org/changesets/151792577

Hello.
This changeset should be fully reverted because these bike lanes are already mapped as tags of the relevant roads.
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Published using OSMCha: https://osmcha.org/changesets/151790922

Hello.
Please split your edits into smaller geographic regions. There's no reason for such a changeset to contain edits from both Maine and Louisiana.
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Published using OSMCha: https://osmcha.org/changesets/151779315

Hello.
Shouldn't most of them be "dismount" rather than "no"?
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Published using OSMCha: https://osmcha.org/changesets/151775921

Hello.
Instead of outright deleting a closed biz node, it's much better to use lifecycle prefix tags as documented on osm.wiki/Lifecycle_prefix
Doing that not only preserves history of this object, if there's ever a need to refer to it later, but it still allows this address to be searchable and routable. Just because a biz closed doesn't mean that address is gone too.
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/151765955

Hello.
Instead of outright deleting a closed biz node, it's much better to use lifecycle prefix tags as documented on osm.wiki/Lifecycle_prefix
Doing that not only preserves history of this object, if there's ever a need to refer to it later, but it still allows this address to be searchable and routable. Just because a biz closed doesn't mean that address is gone too.
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/151762534

Hello.
Please note that "hard" is not one of the valid values for the surface= tag.
Please see this article which documents how to properly tag tennis courts: sport=tennis
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Published using OSMCha: https://osmcha.org/changesets/151751588

Hello.
Please split your changesets into smaller geographic regions. There's no reason for such a changeset to contain edits from NYC, Vaitape, SF and other places.
These edits should've been grouped by city or state at most.
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Published using OSMCha: https://osmcha.org/changesets/151746818

You could do loc_name here.

Hello.
Why did you change the name tag to alt_name?
A feature can't have alt_name without the primary name tag.
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Published using OSMCha: https://osmcha.org/changesets/151732480

Hello.
Why do you intentionally make crosswalks crooked?
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Published using OSMCha: https://osmcha.org/changesets/151690383

Hello.
Could you please elaborate on this edit?
Satellite imagery shows these are just regular speed humps..
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Published using OSMCha: https://osmcha.org/changesets/151684392

Hello.
Why did you delete valid data here?
This is considered vandalism!
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#REVIEWED_BAD #OSMCHA
Published using OSMCha: https://osmcha.org/changesets/151658687

Hello.
What is this feature?
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Published using OSMCha: https://osmcha.org/changesets/151622724