Overview

This release of Claude Code v2.1.73 brings important stability improvements and eliminates several major freezing issues that were disrupting developer workflows. The update also adds enhanced model configuration options and fixes numerous connectivity problems across different cloud providers.

View Original

Breaking Changes

  • (v2.1.73) Deprecated /output-style command - use /config instead. Output style is now fixed at session start for better prompt caching

Changes by Version

v2.1.73

  • Added map model picker entries to custom provider model IDs with modelOverrides setting (e.g. Bedrock inference profile ARNs)
  • Added actionable guidance for SSL certificate errors when OAuth login or connectivity checks fail (corporate proxies, NODE_EXTRA_CA_CERTS)
  • Fixed freezes and 100% CPU loops triggered by permission prompts for complex bash commands
  • Fixed deadlock that could freeze Claude Code when many skill files changed at once (e.g. during git pull in large .claude/skills/ directories)
  • Fixed Bash tool output being lost when running multiple Claude Code sessions in the same project directory
  • Fixed subagents being silently downgraded to older model versions on Bedrock, Vertex, and Microsoft Foundry when using model: opus/sonnet/haiku
  • Fixed background bash processes not being cleaned up when subagents exit
  • Fixed /resume showing the current session in the picker
  • Fixed /ide crashing with onInstall is not defined when auto-installing the extension
  • Fixed /loop not being available on Bedrock/Vertex/Foundry and when telemetry was disabled
  • Fixed SessionStart hooks firing twice when resuming a session via --resume or --continue
  • Fixed JSON-output hooks injecting no-op system-reminder messages into the model’s context on every turn
  • Fixed voice mode session corruption when slow connection overlaps a new recording
  • Fixed Linux sandbox failing to start with ‘ripgrep (rg) not found’ on native builds
  • Fixed Linux native modules not loading on Amazon Linux 2 and other glibc 2.26 systems
  • Fixed ‘media_type: Field required’ API error when receiving images via Remote Control
  • Fixed /heapdump failing on Windows with EEXIST error when Desktop folder already exists
  • Improved Up arrow after interrupting Claude — now restores the interrupted prompt and rewinds the conversation in one step
  • Improved IDE detection speed at startup
  • Improved clipboard image pasting performance on macOS
  • Improved /effort to work while Claude is responding, matching /model behavior
  • Improved voice mode to automatically retry transient connection failures during rapid push-to-talk re-press
  • Improved Remote Control spawn mode selection prompt with better context
  • Changed default Opus model on Bedrock, Vertex, and Microsoft Foundry to Opus 4.6 (was Opus 4.1)
  • Deprecated /output-style command — use /config instead. Output style is now fixed at session start for better prompt caching
  • VSCode: Fixed HTTP 400 errors for users behind proxies or on Bedrock/Vertex with Claude 4.5 models