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Sweep 10 Nov 2026 · 02:18Z Build v2.1.322 539 read Stable v2.1.311 Latest v2.1.322 Next v2.1.322 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.257 ·

Stream-json stdin input now enforces a line-length budget

A single stream-json stdin message now has a character budget and errors explicitly instead of buffering forever.

You'll notice Improvements
JSON All of v2.1.257
You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
SDKArea: what it touches
ImprovementsKind: in v2.1.257,
ImprovementsSection of the release

The CLI's stream-json stdin reader now enforces a maximum character budget for a single newline-terminated message. Exceeding it now surfaces an explicit error instead of buffering indefinitely, pointing to either a non-newline-terminated producer or a message that exceeded the budget.

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