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Sweep 03 Oct 2026 · 20:28Z Build v2.1.289 510 read Stable v2.1.285 Latest v2.1.289 Next v2.1.289 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.289 ·

Teammate records now store how the teammate was spawned

Teammates running inside Claude Code now carry a spawnedWith record of how they were started

Under the hood Internal Changes
JSON All of v2.1.289
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
TeammatesArea: what it touches
Internal ChangesKind: in v2.1.289,
Internal ChangesSection of the release
What

A teammate is another Claude agent that Claude Code runs alongside the main one in the same process. Each registered teammate now stores a spawnedWith field holding how it was started.

Why

Claude Code now keeps a record of the settings each teammate was started with.

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 shown what reads this field, or whether it is used to restore or resume teammates.

See this entry in the whole of v2.1.289 →

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