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Reading a new release v2.1.251 Analysing changes · 2/5 Deeper second pass · 4/5 agents 427 findings $12.75 so far

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.

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Claude Code v2.1.90

Transcript Persistence Sync [Gradual Rollout]

What

Infrastructure for synchronizing conversation transcripts to a server for session continuity across devices.

Status

Feature-flagged / server-controlled

Details
  • Uploads main conversation events and subagent entries to a persistence backend
  • Tracks events since last compaction, skips oversized entries
  • Integrated with the bridge:repl system for session forwarding
  • Log prefix [persistence-sync] for debugging
  • CCR v2 internal event writer registered for transcript persistence
Evidence

Persistence sync system (search for "[persistence-sync] Uploaded" and "CCR v2 internal event writer")

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

See this entry in the whole of v2.1.90 →