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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 v2.1.229

Automatic compaction errors say what went wrong

You'll notice
Useful3 Signal1
Compaction

When auto-compaction fails you now see the underlying reason, not just a generic error.

What

When automatic compaction fails, the message now appends the underlying failure detail, truncated, instead of only the generic compaction error text.

Evidence

automatic compaction failed:

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

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v2.1.229 →