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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.

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Claude Code v2.1.219 24 Jul 2026

Memory-directory edits get more telemetry and cache invalidation

You'll notice

Useful3 Signal0

Memory

Editing files in your memory directory now clears stale caches right away, so changes take effect sooner.

What

Edit and Write operations inside the memory directory record extra detail and clear derived caches before refreshing.

Details

In addition to tengu_memdir_file_edit and tengu_memdir_file_write, the tool input is recorded through an extra reporter.
The pinned and index caches are invalidated ahead of the existing refresh call.

Evidence

tengu_memdir_file_write

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

See this entry in the whole of v2.1.219 →