{"version":"2.1.203","anchor":"stdin-unreadable-helpful-warning-instead-of-silent-failure","canonical_anchor":"stdin-unreadable-helpful-warning-instead-of-silent-failure","heading":"Stdin Unreadable: Helpful Warning Instead of Silent Failure","tier":null,"area":null,"scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.203\/e\/stdin-unreadable-helpful-warning-instead-of-silent-failure","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.203","markdown":"### Stdin Unreadable: Helpful Warning Instead of Silent Failure\n\nWhen stdin is unreadable (e.g., the process was launched without a proper stdin pipe), Claude Code now emits a clear warning and continues rather than failing silently:\n\n\"Warning: stdin is unreadable (`<reason>`), proceeding without piped input. If you piped input, it was not received \u2014 pass it as a prompt argument, or check that the process launching Claude Code wires stdin to a pipe or \/dev\/null.\"\n\n**Evidence**\n\nStdin error handler (search for `\"pass it as a prompt argument, or check that the process launching Claude Code wires stdin to a pipe or \/dev\/null\"`)"}