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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.308 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.305 ·

Attached-file handling gains a naming option that is off by default

The part of Claude Code that plans how attached files are handled takes a new naming option, which is off by default

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JSON All of v2.1.305
Nothing to try yetTier: how much it should matter to you
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SessionsArea: what it touches
In DevelopmentKind: in v2.1.305,
In DevelopmentSection of the release

Unclear Whether anything in Claude Code turns the new option on, and what it changes for attached files when it does.

What

The part of Claude Code that works out how attached files are found and handled now accepts a new option about how files are named. It is off by default and is passed through to both the step that finds files and the step that plans them.

Why

The change concerns how uploaded files are named. While the option stays off, attached files are handled as before.

How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtWhether anything in Claude Code turns the new option on, and what it changes for attached files when it does.

See this entry in the whole of v2.1.305 →

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