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Sweep 09 Oct 2026 · 17:27Z Build v2.1.296 517 read Stable v2.1.287 Latest v2.1.296 Next v2.1.296 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.296 ·

Claude Code now recognises the bash variable BASH_ARGV0

BASH_ARGV0 joins Claude Code's list of special bash variables, alongside BASH_ARGC and BASH_LINENO

Under the hood Internal Changes
JSON All of v2.1.296
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
BashArea: what it touches
Internal ChangesKind: in v2.1.296,
Internal ChangesSection of the release

Unclear What this list of variables controls, such as how commands are checked before they run, is not stated.

What

Bash is the command-line shell Claude Code uses to run commands. BASH_ARGV0 has been added to a list of special bash variable names that Claude Code keeps, next to BASH_ARGC and BASH_LINENO.

Why

Commands that use BASH_ARGV0 are now treated the same way as commands that use those other variables.

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 doubtWhat this list of variables controls, such as how commands are checked before they run, is not stated.
Anthropic's release notes agreeFixed Bash permission checks auto-approving some commands that assign the BASH_ARGV0 shell variable and then use it; these now prompt for…

See this entry in the whole of v2.1.296 →

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