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Sweep 30 Oct 2026 · 21:36Z Build v2.1.315 533 read Stable v2.1.308 Latest v2.1.314 Next v2.1.315 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.315 ·

Previews of very large tool output can now show both the start and the end

When long tool output is saved to a file, the preview Claude sees can now include the end as well as the start

You'll notice Improvements
JSON All of v2.1.315
You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
Tool ResultsArea: what it touches
ImprovementsKind: in v2.1.315,
ImprovementsSection of the release
What

When a tool (one of the actions Claude can take, such as running a command) produces too much output, Claude Code saves the output to a file and shows Claude a preview. That preview used to show only the beginning of the output. It can now show both the beginning and the end, with a marker in between saying how many bytes were left out.

Why

The end of a long log is often where the error is. Showing it lets Claude see what went wrong without opening the full file.

See this entry in the whole of v2.1.315 →

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