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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 v2.1.302 ·

Sessions with no disk refuse incoming attachments with a reason

In a session that writes nothing to disk, incoming attachments are refused with a message explaining why

You'll notice Improvements
JSON All of v2.1.302
You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
SessionsArea: what it touches
ImprovementsKind: in v2.1.302,
ImprovementsSection of the release

Unclear Which sessions run without writing to disk is not stated.

What

An attachment is a file sent into the session. Claude Code used to always try to save incoming attachments to disk. In a session that writes no files to the machine's disk, it now refuses them with the reason: "this session is diskless and writes no files to this machine's disk".

Why

When an attachment does not arrive in such a session, you get a clear reason instead of an unexplained failure.

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 doubtWhich sessions run without writing to disk is not stated.

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