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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 v2.1.224 Home All releases olderv2.1.223 v2.1.225newer

Memory documents carry version tokens and report conflicts

You'll notice
Useful3 Signal4
Memory

Org memory documents now show version tokens and report conflicts so concurrent edits get retried instead of clobbered.

What

Reading an org memory document now shows a version token next to the updated date, writes report the version they produced, and a concurrent edit produces a distinct conflict result telling the model to re-read the document and retry with the fresh token. Requires org memory to be enabled for the session.

Details
  • The conflict message is "The memory store reported a concurrent change to this document."
  • The conflict result also carries the conflicting path taken from the server response.
  • The version token is appended to reads in the form [version: ...].
Evidence

The memory store reported a concurrent change to this document.

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

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