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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 v2.1.81 ·

Worktree Name Validation

Entry
JSON All of v2.1.81
EntryKind: in v2.1.81,
ChangesSection of the release
What

Worktree names are now validated with strict rules for allowed characters and length.

Details
  • Names must contain only letters, digits, dots, underscores, and dashes
  • Maximum length of 64 characters
  • Cannot be empty, ".", or ".."
  • Parameter description updated: "Optional name for the worktree (letters, digits, dots, underscores, dashes only; max 64 chars)."
Evidence

Worktree name validation (search for "Invalid worktree name" and "must contain only letters, digits")

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

See this entry in the whole of v2.1.81 →

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