There are some empty posts from the Community user in its activity history:
What are those? If it's something deleted should it be marked appropriately instead of leaving the rows blank?
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Sign up to join this communityThere are some empty posts from the Community user in its activity history:
What are those? If it's something deleted should it be marked appropriately instead of leaving the rows blank?
I can answer what those are: they're orphan wikis. So this is perhaps another variation of Orphaned tag wiki edits have broken activity entries.
It turns out you can find the post IDs via the browser tools:
and navigating to e.g. https://meta.stackexchange.com/posts/359539/revisions will confirm:
You can even try to edit them (for science). It looks like this suggested edit created the post (found with SEDE).
The posts are not deleted (and even continue to give +2 reputation for suggested edits, IIRC). The problem seems not limited to Community, see e.g. this page on my profile – but you noticed that a couple of years ago already.