What's wrong with this entry?
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Session metadata returned by listSessions and getSessionInfo now includes tag (user-set session tag) and createdAt (creation timestamp). The fileSize field is now optional and only populated for local JSONL storage.
Evidence
Expanded session metadata schema (search for "User-set session tag", "Creation time in milliseconds since epoch")
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.