Unclear It is unclear what text is now added to the end of the setup line, so its effect on commands is not known.
What
Before running a shell command, Claude Code can run a setup line that switches off some zsh pattern-matching features (globbing, where symbols like * expand into file names). That line used to be fixed: setopt NO_EXTENDED_GLOB NO_BARE_GLOB_QUAL 2>/dev/null || true. It now ends with extra text that Claude Code works out at run time.
This applies when CLAUDE_CODE_SHELL_PREFIX is set, and when the shell is zsh.
Why
This line runs before your commands, so a change to it can affect how those commands behave in your shell.
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubt
It is unclear what text is now added to the end of the setup line, so its effect on commands is not known.