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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.248 ·

Lock contention now tells the caller when to retry

A blocked writer lock now reports a real retry time instead of just a busy marker.

Under the hood New Features
JSON All of v2.1.248
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
InternalsArea: what it touches
New FeaturesKind: in v2.1.248,
New FeaturesSection of the release
What

When Claude Code fails to take a writer lock because another process holds it, the result now includes a computed retry time rather than just a "someone else has it" marker, so callers can back off to a real timestamp instead of guessing.

Evidence

return { kind: "other_writer", retryAtMs:

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

See this entry in the whole of v2.1.248 →

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