DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.
Exported Claude archives no longer need every index file
You'll notice
Useful3Signal3
Internals
Importing an exported Claude archive now only requires conversations.json; missing indexes are rebuilt.
What's wrong with this entry?
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What
Importing an exported .zip only requires conversations.json now. If the combined projects.json is missing, projects are read from the individual projects/*.json files instead, and the archive summary is rebuilt from users.json plus per-conversation message counts rather than being required in the file.
Evidence
export zip missing required entry
Strings lifted out of the shipped bundle, so the claim above can be checked against them.