I have reproduced the issue on the latest CLI version.
Yes, I am on the latest version
I have searched existing posts and this report is not a duplicate.
Yes, this isn’t a duplicate
In which of these areas are you experiencing a problem?
Theme
Expected behavior
Be able to ignore .shopifyignore on e.g. dev command.
Actual behavior
No option at all
Reproduction steps
Verbose output
Operating system
macOS Tahoe
CLI version
4.3.0
Shell
zsh
Nodejs version
24.14.0