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Sweep 03 Nov 2026 · 22:27Z Build v2.1.318 536 read Stable v2.1.311 Latest v2.1.318 Next v2.1.318 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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Claude Code v2.1.317 ·

The Machines part of Claude's instructions now has an extra condition

The Machines section of Claude's standing instructions now appears only when two conditions both hold, instead of one

Under the hood Internal Changes
JSON All of v2.1.317
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
System PromptArea: what it touches
Internal ChangesKind: in v2.1.317,
Internal ChangesSection of the release

Unclear What the two checks test is not stated, so who still gets the Machines section is unknown.

What

The system prompt is the set of standing instructions Claude Code gives Claude at the start of a session. One part of it is a section headed "Machines", about working across more than one machine. That section used to appear when a single check passed. It now appears only when two checks both pass.

Why

Fewer sessions will include the Machines section in Claude's instructions.

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 doubtWhat the two checks test is not stated, so who still gets the Machines section is unknown.

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