Claude Code 2.1.0 Failing on macOS? A Developer’s Step-by-Step Diagnostic Guide

Claude Code 2.1.0 Update Failing on macOS? A Step-by-Step Diagnostic Guide for Developers Summary: This article provides a structured analysis of the startup failure encountered after updating Claude Code to version 2.1.0 on macOS. It details the reproducible issue, explores potential root causes like configuration conflicts or version incompatibility, and offers a systematic troubleshooting framework. The goal is to help users restore functionality by diagnosing the specific failure point within their environment, using only the facts from the original bug report. You’ve just updated your Claude Code to the latest and greatest—version 2.1.0. You click to launch it, expecting new …