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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.

All of v2.1.221 Home All releases olderv2.1.220 v2.1.222newer

Transcripts, session listings and the changelog can be read and written through a v5 storage backend

Not switched on
Useful2 Signal4
Internals Notable

Transcripts, session listings and the changelog can be read from a storage backend instead of local files.

A v5 storage backend path exists for transcripts and changelog, but nothing supplies a backend in this build.

What

New code paths route storage through a backend object rather than the filesystem, covering transcript loads, the usage-report session scan and changelog fetch and migration.

Details
  • Transcript loading takes a storageV5 { backend, key } option; a permission failure yields an empty transcript, other errors throw.
  • The usage-report session scan enumerates entries under the transcript namespace with cursor paging instead of walking project directories.
  • Changelog fetch and migration write to a storage key with an ifAbsent precondition.
  • All three fall back to the existing file paths when no backend is supplied; what supplies a backend could not be determined in this build.
Evidence

loadTranscriptFile: v5 read inaccessible (permission) — empty result

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

See this entry in the whole of v2.1.221 →