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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 v2.1.248

Plan file cache distinguishes "known absent" from "unknown"

Under the hood
Useful2 Signal2
Plan Mode

Plan file lookups remember when a file is genuinely absent, so recovery after resume keeps more.

What

Plan and workshop file lookups no longer just check whether a key is present; they tell a cached "this file does not exist" apart from never having looked, wait for a settle step before reading, and recovery after resume or fork stores what it recovered instead of always throwing the entry away.

Evidence

Workshop doc recovered from file snapshot,

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 v2.1.248 →