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Sweep 10 Nov 2026 · 02:18Z Build v2.1.322 539 read Stable v2.1.311 Latest v2.1.322 Next v2.1.322 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.321 ·

Shorter, clearer error text when a background session fails to start

Crash details for background sessions now drop repetitive worktree prefixes, add the exit code and mark sessions that will retry

You'll notice Improvements
JSON All of v2.1.321
You'll noticeTier: how much it should matter to you
1Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
Background JobsArea: what it touches
ImprovementsKind: in v2.1.321,
ImprovementsSection of the release
What

A background session is a Claude Code session that runs without you watching it. Some run in a worktree, a separate working copy of your git repository. When one of these crashes, the details shown about it are now tidied up:

  • The prefixes "Error creating worktree: " and "Failed to create worktree: Preparing worktree" are removed.
  • The exit code, the number the failed process ended with, is added.
  • A crashed session that will be started again is marked with "retrying: ".
Why

The reason a background session failed is easier to read, and you can see at a glance whether it is going to try again.

See this entry in the whole of v2.1.321 →

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