← Claude Code changelog

Claude Code 1.0.124

September 25, 2025

Improved

Improved VSCode extension performance for large files

Changed

Set `CLAUDE_BASH_NO_LOGIN` environment variable to 1 or true to to skip login shell for BashTool
No longer inform Claude of the list of allowed tools when permission is denied

Fixed

Fix Bedrock and Vertex environment variables evaluating all strings as truthy
Fixed security vulnerability in Bash tool permission checks