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Sweep 02 Oct 2026 · 18:55Z Build v2.1.288 509 read Stable v2.1.285 Latest v2.1.287 Next v2.1.288 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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Claude Code v2.1.287 ·

Sending a message to a session on another machine can always require approval

Claude Code can now ask for your approval before a message goes to another machine, even when isolatePeerMachines is off

You'll notice Improvements
JSON All of v2.1.287
You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
Session MessagingArea: what it touches
ImprovementsKind: in v2.1.287,
ImprovementsSection of the release
What

When Claude sends a message to one of your sessions on another machine, Claude Code checks whether it should ask you first. Until now it asked only when isolatePeerMachines was turned on.

That check now has an option that makes it ask every time, whatever isolatePeerMachines is set to. When the option is used and the send is not approved, the message says that sending needs your approval and that nothing was sent. It does not mention isolatePeerMachines.

Why

In some cases a message to another machine can now need your approval even if you have not turned on isolatePeerMachines.

Read from
Names in the bundleisolatePeerMachines
What the documentation says
Documented inclaude-code/cross-session-messaging
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 doubtIt is not clear which part of Claude Code turns on the always-ask option, or when.

See this entry in the whole of v2.1.287 →

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