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

Claude Code v2.1.222 ·

Shell output handoff can be re-rooted for adoption

Background shell output can be relocated so another process adopting the task can still read it.

Under the hood Internal Changes
JSON All of v2.1.222
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
ElsewhereArea: what it touches
Internal ChangesKind: in v2.1.222,
Internal ChangesSection of the release
What

Detached shell handoff accepts a root to re-anchor output files, so an adopting process can read outputs that would otherwise sit outside its tree.

Details
  • Takes a rerootOutputsTo root; outputs resolving outside the task-output tree are dropped and the shell is killed.
  • Escaping but known outputs are hardlinked, or copied when linking fails, into <root>/rerooted/<id>.output, with inode identity checks.
  • Task output paths and the handoff payload gained an adopt root plus mergeShellOutputReadRoots.
Evidence

mergeShellOutputReadRoots

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

See this entry in the whole of v2.1.222 →

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