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Sweep 25 Sep 2026 · 19:33Z Build v2.1.283 504 read Stable v2.1.274 Latest v2.1.283 Next v2.1.283 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.281 ·

Background fork argument building reworked

The command-line options for forking a session to the background, including removing --add-dir, are now built by separate helpers

Under the hood Internal Changes
JSON All of v2.1.281
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
SessionsArea: what it touches
Internal ChangesKind: in v2.1.281,
Internal ChangesSection of the release
What

When a session is forked to the background, the command-line options for the new process are now assembled by helper functions. Removing --add-dir is its own step, in place of the previous separate handling.

Why

This is mainly a reorganisation of how background forks are launched.

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 doubtThe finding does not show whether background forks behave any differently.
Anthropic's release notes agreeFixed CLAUDE.md and rules files from an --add-dir directory inside the working directory being sent to the model twice in headless and SDK…

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