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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 v2.1.309 ·

Changes to how Bash commands' variable assignments are tracked

Claude Code's reading of Bash commands now tracks variable assignments, including the REPLY set by read, in a new way

Under the hood Internal Changes
JSON All of v2.1.309
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
Bash SafetyArea: what it touches
Internal ChangesKind: in v2.1.309,
Internal ChangesSection of the release

Unclear It is not clear whether this changes which Bash commands are allowed or prompted for.

What

When Claude Code reads a Bash command to work out what it does, it keeps track of variables the command sets, including the ones read fills in such as REPLY. That tracking now goes through a different routine, and the check for integer variables has an extra condition.

Why

This reading feeds into Claude Code's permission checks on shell commands.

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 clear whether this changes which Bash commands are allowed or prompted for.

See this entry in the whole of v2.1.309 →

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