What's wrong with this entry?
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The sandbox initialization now detects and scrubs "planted" bare-repo files (directories like HEAD, objects, refs, etc.) that could be mistakenly treated as git repository internals.
Evidence
Scrubbing function (search for "scrubbed planted bare-repo file")
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
Related
Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.