RELEASE ARCHIVE / CLAUDE CODE
Claude Code Changelog Archive
Release history is evidence, not a 150-part course. Use this ledger for version-specific changes; use Learn for the balanced CLI curriculum.
July 2026
7- v2.1.204
Claude Code v2.1.204: Headless SessionStart Hook Streaming Fix
Claude Code v2.1.204 is a focused maintenance release that fixes hook events not streaming during SessionStart hooks in headless sessions, preventing remote workers from being idle-reaped mid-hook.
- v2.1.203
Claude Code v2.1.203: Background Agent Reliability Overhaul and Performance Gains
Claude Code v2.1.203 delivers a login expiry warning, a manual permission mode badge, MCP roots for additional working directories, and a large batch of background session, worktree, and performance fixes.
- v2.1.202
Claude Code v2.1.202: Workflow Controls, Telemetry, and Remote Control Fixes
Claude Code v2.1.202 adds a dynamic workflow size setting and OpenTelemetry workflow attributes, plus a large batch of fixes for Remote Control, session management, and network reliability.
- v2.1.200
Claude Code v2.1.200: Manual Permission Mode and Background Agent Reliability
Claude Code v2.1.200 renames the default permission mode to Manual, stops AskUserQuestion dialogs from auto-continuing, and ships a wave of background agent and accessibility fixes.
- v2.1.201
Claude Code v2.1.201: Harness Reminder Change for Claude Sonnet 5 Sessions
Claude Code v2.1.201 is a focused update that changes how harness reminders are delivered in Claude Sonnet 5 sessions, no longer using the mid-conversation system role.
- v2.1.199
Claude Code v2.1.199: Stacked Skill Invocations and Major Reliability Fixes for Subagents and Background Agents
Claude Code v2.1.199 lets stacked slash-skill invocations load multiple skills, adds automatic retry for transient rate-limit errors, and delivers extensive reliability fixes for subagents, background agents, and streaming responses.
- v2.1.198
Claude Code v2.1.198: Background Subagents by Default and Claude in Chrome Goes GA
Claude Code v2.1.198 makes subagents run in the background by default, brings Claude in Chrome to general availability, adds a /dataviz skill, and ships extensive fixes for background agents and agent teams.
June 2026
30- v2.1.197
Claude Code v2.1.197: Claude Sonnet 5 Becomes the Default Model
Claude Code v2.1.197 introduces Claude Sonnet 5 as the new default model, featuring a native 1M-token context window and promotional pricing of $2/$10 per Mtok through August 31.
- v2.1.196
Claude Code v2.1.196: Organization Default Models and Background Session Reliability
Claude Code v2.1.196 introduces organization default models, readable session names, clickable file attachments, an MCP security hardening, and major background session reliability improvements.
- v2.1.195
Claude Code v2.1.195: Hook Matcher Precision, Voice Dictation Fixes, and Background Agent Reliability
Claude Code v2.1.195 makes hook matchers exact-match for hyphenated identifiers, fixes voice dictation on macOS and for space-free languages, and hardens background agents and plugins.
- v2.1.193
Claude Code v2.1.193: Auto Mode Controls, Telemetry Enhancements, and Background Agent Fixes
Claude Code v2.1.193 adds a shell-wide auto-mode classifier setting, assistant response OpenTelemetry logging, bash path autocomplete, and a batch of fixes for background sessions and agents.
- v2.1.190
Claude Code v2.1.190: Bug Fixes and Reliability Improvements
Claude Code v2.1.190 is a maintenance release focused on bug fixes and reliability improvements for a more stable development experience.
- v2.1.191
Claude Code v2.1.191: Rewind Past /clear, MCP Reliability, and Major Performance Gains
Claude Code v2.1.191 adds /rewind support for resuming conversations from before /clear, improves MCP server reliability and OAuth retries, and cuts streaming CPU usage by roughly 37%.
- v2.1.187
Claude Code v2.1.187: Sandbox Credential Protection and Org Model Restrictions
Claude Code v2.1.187 introduces a sandbox.credentials setting to shield secrets from sandboxed commands, org-configured model restrictions, mouse click support in menus, and a large batch of reliability fixes.
- v2.1.186
Claude Code v2.1.186: MCP CLI Authentication and Smarter Bash Command Handling
Claude Code v2.1.186 adds claude mcp login/logout commands, automatic responses to ! bash output, better background subagent permission prompts, and a long list of stability fixes.
- v2.1.185
Claude Code v2.1.185: Calmer Stream-Stall Messaging
Claude Code v2.1.185 refines the stream-stall hint with clearer wording and a longer 20-second trigger threshold, reducing noise during brief API delays.
- v2.1.183
Claude Code v2.1.183: Safer Auto Mode and Terminal Stability Fixes
Claude Code v2.1.183 blocks destructive git and infrastructure commands in auto mode, adds deprecated-model warnings and new config options, and fixes a wide range of TUI, subagent, and teammate issues.
- v2.1.181
Claude Code v2.1.181: Inline Config Commands, Smoother Streaming, and Startup Fixes
Claude Code v2.1.181 introduces /config key=value syntax, Apple Events sandbox support, and a Bun 1.4 upgrade, alongside extensive fixes for startup, streaming, and file writing on network drives.
- v2.1.179
Claude Code v2.1.179: Connection Resilience and Terminal Fixes
Claude Code v2.1.179 preserves partial responses on mid-stream connection drops, fixes WSL2 mouse-wheel scrolling, and resolves a range of UI and remote session issues.
- v2.1.178
Claude Code v2.1.178: Parameter-Based Permission Rules and Nested .claude Directory Support
Claude Code v2.1.178 introduces Tool(param:value) permission rule syntax, smarter nested .claude/skills loading, auto mode subagent review, and a large batch of subagent and reliability fixes.
- v2.1.176
Claude Code v2.1.176: Enhanced Internationalization and Background Session Improvements
Claude Code v2.1.176 brings multilingual session titles, improved Bedrock credential caching, and comprehensive fixes for Remote Control and background sessions.
- v2.1.177
Claude Code v2.1.177 Release Notes
Latest Claude Code update v2.1.177 is now available with incremental improvements and bug fixes for enhanced development experience.
- v2.1.174
Claude Code v2.1.174 Release Notes
Claude Code v2.1.174 brings improved mouse scroll control, better model picker functionality, and numerous bug fixes for a smoother development experience.
- v2.1.175
Claude Code v2.1.175 Release Notes
Claude Code v2.1.175 introduces the enforceAvailableModels managed setting for enhanced model access control and security in enterprise environments.
- v2.1.172
Claude Code v2.1.172 Release Notes: Nested Sub-agents and AWS Integration Improvements
Claude Code v2.1.172 introduces nested sub-agents up to 5 levels deep, improved AWS Bedrock region detection, and numerous bug fixes for enhanced performance.
- v2.1.173
Claude Code v2.1.173 Release Notes
Latest Claude Code update fixes Fable 5 model name normalization and resolves Windows sandbox startup warnings for improved user experience.
- v2.1.169
Claude Code v2.1.169 Release Notes
Claude Code v2.1.169 introduces safe mode troubleshooting, new /cd command, and numerous bug fixes for improved performance and stability.
- v2.1.170
Claude Code v2.1.170 Release Notes
Claude Code v2.1.170 introduces Claude Fable 5, a groundbreaking Mythos-class model, and fixes session transcript saving issues.
- v2.1.168
Claude Code v2.1.168 Release Notes
Claude Code v2.1.168 introduces important bug fixes and reliability improvements for enhanced stability and user experience.
- v2.1.166
Claude Code v2.1.166 Release Notes
Claude Code v2.1.166 introduces fallback model configuration, enhanced security features, and numerous bug fixes for improved stability and user experience.
- v2.1.167
Claude Code v2.1.167 Release Notes
Claude Code v2.1.167 is now available with important bug fixes and reliability improvements for enhanced development experience.
- v2.1.163
Claude Code v2.1.163: Enhanced Plugin Management and Better Session Handling
Claude Code v2.1.163 introduces version management controls, new plugin commands, improved hook handling, and numerous stability fixes for power users.
- v2.1.165
Claude Code v2.1.165 Release Notes
Claude Code v2.1.165 brings essential bug fixes and reliability improvements for a smoother development experience.
- v2.1.162
Claude Code v2.1.162 Release Notes
Claude Code v2.1.162 brings enhanced agent management with JSON status output, improved slash command UX, and critical fixes for Windows permissions and startup hangs.
- v2.1.161
Claude Code v2.1.161: Enhanced Metrics, Improved Agent Management, and Better Tool Reliability
Claude Code v2.1.161 brings custom metric dimensions with OTEL labels, better agent progress visibility, and numerous reliability improvements for tools and workflows.
- v2.1.160
Claude Code v2.1.160: Enhanced Security and Stability Improvements
Claude Code v2.1.160 introduces important security prompts for shell and config files, plus numerous bug fixes for Windows, WSL, and background sessions.
- v2.1.159
Claude Code v2.1.159 Release Notes
Claude Code v2.1.159 focuses on internal infrastructure improvements to enhance stability and performance for power users.
May 2026
26- v2.1.157
Claude Code v2.1.157 Release Notes
Claude Code v2.1.157 introduces automatic plugin loading, improved agent management, and numerous bug fixes for better development workflow.
- v2.1.158
Claude Code v2.1.158 Release Notes
Claude Code v2.1.158 brings Auto mode to Bedrock, Vertex, and Foundry platforms for Opus 4.7 and 4.8 models.
- v2.1.156
Claude Code v2.1.156 Release Notes
Claude Code v2.1.156 fixes critical API errors when using Opus 4.8 with thinking blocks. Update now for improved stability.
- v2.1.153
Claude Code v2.1.153 Release Notes
Claude Code v2.1.153 introduces Git LFS skip options, improved auto-update notifications, enhanced agent management, and numerous bug fixes for better stability.
- v2.1.154
Claude Code v2.1.154: Opus 4.8, Dynamic Workflows, and Major Performance Improvements
Claude Code v2.1.154 introduces Opus 4.8 with high-effort defaults, revolutionary dynamic workflows, and faster performance at reduced costs.
- v2.1.152
Claude Code v2.1.152 Release Notes
Claude Code v2.1.152 introduces enhanced code review automation with fix application, improved skills management, and better session handling for power users.
- v2.1.149
Claude Code v2.1.149: Enhanced Usage Tracking, Improved Navigation, and Critical Security Fixes
Claude Code v2.1.149 brings detailed usage breakdowns, keyboard navigation for diff views, and important security fixes for PowerShell and sandbox permissions.
- v2.1.150
Claude Code v2.1.150 Release Notes
Claude Code v2.1.150 introduces internal infrastructure improvements to enhance stability and performance for power users.
- v2.1.148
Claude Code v2.1.148 Release Notes
Claude Code v2.1.148 fixes critical Bash tool regression affecting command execution for some users. Quick patch release restores proper exit code handling.
- v2.1.146
Claude Code v2.1.146 Release Notes
Claude Code v2.1.146 brings improved code review commands, Windows PowerShell fixes, MCP pagination improvements, and enhanced auto-updater reliability.
- v2.1.145
Claude Code v2.1.145 Release Notes
Claude Code v2.1.145 brings enhanced agent management, improved plugin discovery, and critical security fixes for power users.
- v2.1.144
Claude Code v2.1.144: Enhanced Background Sessions and Major Bug Fixes
Claude Code v2.1.144 brings improved background session management with /resume support, better plugin discovery features, and fixes for terminal rendering and session stability issues.
- v2.1.143
Claude Code v2.1.143: Enhanced Plugin Management and Background Session Improvements
Claude Code v2.1.143 introduces smart plugin dependency management, context cost estimates, and significant improvements to background sessions and PowerShell integration.
- v2.1.142
Claude Code v2.1.142: Enhanced Agent Configuration and Improved Stability
Claude Code v2.1.142 brings enhanced agent configuration options, Opus 4.7 for fast mode, and numerous stability improvements for background sessions and plugin management.
- v2.1.141
Claude Code v2.1.141: Enhanced Agent Management and UI Improvements
Claude Code v2.1.141 introduces terminal sequence hooks, improved agent management, better permission handling, and numerous bug fixes for a smoother coding experience.
- v2.1.140
Claude Code v2.1.140 Release Notes
Claude Code v2.1.140 brings significant improvements to agent tools, background service stability, and plugin management with enhanced error handling.
- v2.1.139
Claude Code v2.1.139: Agent View, Goal Setting, and Enhanced Workflow Control
Claude Code v2.1.139 introduces agent view for session management, the /goal command for automated task completion, and enhanced MCP server capabilities for power users.
- v2.1.137
Claude Code v2.1.137 Release Notes
Claude Code v2.1.137 fixes VSCode extension activation issues on Windows. Get the latest update for improved Windows compatibility.
- v2.1.138
Claude Code v2.1.138 Release Notes
Claude Code v2.1.138 brings important internal improvements and bug fixes to enhance stability and performance for power users.
- v2.1.133
Claude Code v2.1.133 Release Notes
Claude Code v2.1.133 introduces enhanced worktree management, improved sandbox configuration, and critical bug fixes for enterprise workflows.
- v2.1.136
Claude Code v2.1.136 Release Notes
Claude Code v2.1.136 introduces enterprise feedback surveys, MCP server stability fixes, and numerous UI/UX improvements for VS Code and JetBrains users.
- v2.1.132
Claude Code v2.1.132: Enhanced Terminal Experience and Improved Stability
Claude Code v2.1.132 brings significant improvements to terminal handling, Unicode support, and session management with new environment variables and bug fixes.
- v2.1.129
Claude Code v2.1.129 Release Notes
Claude Code v2.1.129 brings plugin URL fetching, auto-update capabilities, and numerous improvements to history navigation and bug fixes for power users.
- v2.1.131
Claude Code v2.1.131 Release Notes
Claude Code v2.1.131 fixes critical Windows VS Code extension activation issues and Mantle endpoint authentication problems.
- v2.1.128
Claude Code v2.1.128: Enhanced MCP Tools, Plugin Improvements, and Quality of Life Updates
Claude Code v2.1.128 brings significant improvements to MCP server management, plugin handling, and fixes numerous bugs for a smoother development experience.
- v2.1.126
Claude Code v2.1.126: Enhanced Project Management and Cross-Platform Improvements
Claude Code v2.1.126 introduces powerful project purge commands, improved gateway compatibility, enhanced authentication flows, and numerous platform-specific fixes.
April 2026
25- v2.1.123
Claude Code v2.1.123 Release Notes
Claude Code v2.1.123 fixes critical OAuth authentication issues when experimental betas are disabled, resolving 401 retry loops.
- v2.1.121
Claude Code v2.1.121 Release Notes
Claude Code v2.1.121 brings enhanced MCP server controls, improved plugin management, and significant memory leak fixes for power users.
- v2.1.119
Claude Code v2.1.119: Enhanced Configuration Persistence and Cross-Platform Support
Claude Code v2.1.119 introduces persistent configuration settings, enhanced GitLab and Bitbucket support, improved PowerShell integration, and numerous bug fixes for a better development experience.
- v2.1.118
Claude Code v2.1.118: Vim Visual Mode, Enhanced Theming, and MCP Improvements
Claude Code v2.1.118 introduces vim visual mode, custom theme creation, improved MCP OAuth handling, and streamlined usage statistics.
- v2.1.117
Claude Code v2.1.117: Enhanced Performance and Better Plugin Management
Claude Code v2.1.117 brings faster startup times, improved plugin dependency handling, and better session management for power users.
- v2.1.116
Claude Code v2.1.116: Major Performance Improvements and Enhanced User Experience
Claude Code v2.1.116 delivers significant performance gains for large sessions, improved MCP startup times, and enhanced terminal experience across VS Code, Cursor, and Windsurf.
- v2.1.114
Claude Code v2.1.114 Release Notes
Claude Code v2.1.114 fixes a critical crash in permission dialogs when agent team members request tool permissions.
- v2.1.112
Claude Code v2.1.112 Release Notes
Claude Code v2.1.112 fixes the claude-opus-4-7 temporary unavailability issue in auto mode. Update now for improved stability.
- v2.1.110
Claude Code v2.1.110: TUI Mode, Push Notifications, and Major UX Improvements
Claude Code v2.1.110 introduces TUI fullscreen mode, mobile push notifications, and enhanced plugin management for power users.
- v2.1.111
Claude Code v2.1.111: Opus 4.7 xhigh, Auto Mode, and Advanced Code Review
Claude Code v2.1.111 introduces Claude Opus 4.7 with xhigh effort level, Auto mode for Max subscribers, advanced code review tools, and enhanced UX improvements.
- v2.1.109
Claude Code v2.1.109 Release Notes
Claude Code v2.1.109 introduces an improved extended-thinking indicator with rotating progress hints for better user experience.
- v2.1.105
Claude Code v2.1.105: Enhanced Plugin Monitoring and Improved User Experience
Claude Code v2.1.105 introduces background plugin monitoring, PreCompact hooks, improved stream handling, and numerous UI fixes for a smoother development experience.
- v2.1.107
Claude Code v2.1.107 Release Notes
Claude Code v2.1.107 introduces improved thinking hints display for better user experience during extended operations.
- v2.1.108
Claude Code v2.1.108 Release Notes
Claude Code v2.1.108 introduces enhanced prompt caching controls, session recap features, improved slash commands, and numerous bug fixes for a better development experience.
- v2.1.104
Claude Code v2.1.104 Release Notes
Claude Code v2.1.104 is now available with important updates and improvements for developers and power users.
- v2.1.100
Claude Code v2.1.100 Release Notes
Claude Code v2.1.100 is now available with important updates and improvements for power users and developers.
- v2.1.101
Claude Code v2.1.101: Enhanced Team Collaboration and Enterprise Support
Claude Code v2.1.101 introduces team onboarding commands, enterprise TLS proxy support, and significant improvements to ultraplan, focus mode, and error handling.
- v2.1.97
Claude Code v2.1.97: Focus View Toggle and Enhanced Permissions
Claude Code v2.1.97 introduces focus view toggle with Ctrl+O, improved permissions handling, and numerous bug fixes for a more stable development experience.
- v2.1.98
Claude Code v2.1.98 Release Notes
Major update to Claude Code with Google Vertex AI integration, enhanced security features, and comprehensive bug fixes for improved developer experience.
- v2.1.94
Claude Code v2.1.94: Enhanced Bedrock Support and Improved User Experience
Claude Code v2.1.94 brings Amazon Bedrock support via Mantle, higher default effort levels, and numerous bug fixes for a smoother development experience.
- v2.1.96
Claude Code v2.1.96 Release Notes
Claude Code v2.1.96 fixes critical Bedrock authentication issues that were causing 403 errors when using AWS bearer tokens or skipping authentication.
- v2.1.92
Claude Code v2.1.92 Release Notes
Claude Code v2.1.92 introduces Bedrock setup wizard, enhanced cost tracking, and numerous fixes for tmux, prompt caching, and tool validation.
- v2.1.91
Claude Code v2.1.91 Release Notes
Claude Code v2.1.91 introduces MCP tool result persistence, shell execution controls, multi-line deep links, and important bug fixes for transcript handling and plan mode.
- v2.1.90
Claude Code v2.1.90 Release Notes
Claude Code v2.1.90 introduces interactive PowerUp lessons, performance improvements, and critical bug fixes for a smoother coding experience.
- v2.1.89
Claude Code v2.1.89 Release Notes
Claude Code v2.1.89 introduces deferred permissions, flicker-free rendering, and enhanced MCP support with numerous bug fixes for a smoother development experience.
March 2026
20- v2.1.87
Claude Code v2.1.87 Release Notes
Claude Code v2.1.87 fixes critical message delivery issues in Cowork Dispatch, ensuring reliable collaboration for power users.
- v2.1.88
Claude Code v2.1.88: Enhanced Performance and Better Cross-Platform Support
Claude Code v2.1.88 introduces flicker-free rendering, improved auto mode controls, and fixes critical memory leaks and cross-platform issues.
- v2.1.86
Claude Code v2.1.86 Release Notes
Claude Code v2.1.86 brings major performance improvements, VCS integration enhancements, and critical bug fixes for power users.
- v2.1.85
Claude Code v2.1.85 Release Notes
Claude Code v2.1.85 brings enhanced MCP server management, conditional hooks, improved deep linking, and numerous bug fixes for a more robust development experience.
- v2.1.84
Claude Code v2.1.84: PowerShell Support and Enhanced Workflow Management
Claude Code v2.1.84 introduces PowerShell tool support for Windows users, improved MCP server management, and numerous performance enhancements for power users.
- v2.1.83
Claude Code v2.1.83 Release Notes
Claude Code v2.1.83 introduces managed settings drop-in directories, transcript search, improved security controls, and numerous bug fixes for enhanced development workflow.
- v2.1.81
Claude Code v2.1.81 Release Notes
Claude Code v2.1.81 introduces the new --bare flag for scripted operations, improved channel permissions, and numerous bug fixes for voice mode, authentication, and Remote Control sessions.
- v2.1.80
Claude Code v2.1.80: Enhanced Rate Limits Monitoring and Plugin Management
Claude Code v2.1.80 introduces rate limits monitoring in statusline, inline plugin configuration, and numerous bug fixes for a smoother development experience.
- v2.1.79
Claude Code v2.1.79: Console Authentication, Remote Control, and Performance Improvements
Claude Code v2.1.79 introduces Anthropic Console authentication, VSCode remote control features, improved memory usage, and numerous bug fixes for a smoother coding experience.
- v2.1.78
Claude Code v2.1.78: Enhanced Error Handling and Plugin Persistence
Claude Code v2.1.78 introduces StopFailure hooks, persistent plugin data, improved terminal notifications, and numerous bug fixes for a more robust development experience.
- v2.1.77
Claude Code v2.1.77 Release Notes
Claude Code v2.1.77 brings major token limit increases for Opus and Sonnet models, enhanced sandbox controls, and critical bug fixes for a smoother development experience.
- v2.1.76
Claude Code v2.1.76 Release Notes
Major update brings MCP elicitation support, performance improvements, and over 20 bug fixes to Claude Code. Enhanced worktree management and new session controls included.
- v2.1.75
Claude Code v2.1.75 Release Notes
Claude Code v2.1.75 is now available with incremental improvements and bug fixes for enhanced development experience.
- v2.1.74
Claude Code v2.1.74 Release Notes
Claude Code v2.1.74 brings actionable context optimization suggestions, improved memory management, and critical bug fixes for enhanced developer productivity.
- v2.1.72
Claude Code v2.1.72: Enhanced Workflow Tools and Performance Improvements
Claude Code v2.1.72 introduces new workflow commands, improved voice input, reduced bundle size by 510KB, and enhanced bash command parsing for power users.
- v2.1.71
Claude Code v2.1.71: Automation Tools and Critical Bug Fixes
Claude Code v2.1.71 introduces powerful automation features including /loop command and cron scheduling, plus voice mode improvements and critical bug fixes for enhanced stability.
- v2.1.70
Claude Code v2.1.70: Major Bug Fixes and Performance Improvements
Claude Code v2.1.70 delivers critical API fixes, Windows compatibility improvements, and performance optimizations for power users.
- v2.1.66
Claude Code v2.1.66 Release Notes
Latest Claude Code v2.1.66 update brings maintenance improvements and bug fixes for enhanced development experience.
- v2.1.68
Claude Code v2.1.68: Medium Effort Default and Ultrathink Returns
Claude Code v2.1.68 introduces medium effort as the default for Opus 4.6, brings back the ultrathink keyword, and streamlines model availability for enhanced performance.
- v2.1.69
Claude Code v2.1.69: The Biggest Release Yet with 100+ Changes
Claude Code v2.1.69 is the largest update in the 2.1.x series. New /claude-api skill, InstructionsLoaded hook, ${CLAUDE_SKILL_DIR} variable, 10 new voice languages, agent worktree isolation, and massive memory/performance improvements.
February 2026
24- v2.1.63
Claude Code v2.1.63 Release Notes
Major performance improvements and new features in Claude Code v2.1.63, including new slash commands, HTTP hooks, and significant memory leak fixes.
- v2.1.62
Claude Code v2.1.62 Release Notes
Claude Code v2.1.62 fixes a critical prompt suggestion cache regression that was reducing cache hit rates for better performance.
- v2.1.59
Claude Code v2.1.59 Release Notes
Claude Code v2.1.59 introduces automatic context memory, interactive code copying, improved bash command handling, and important bug fixes for power users.
- v2.1.53
Claude Code v2.1.53 Release Notes
Claude Code v2.1.53 delivers crucial stability improvements, fixing UI flickers, bulk agent operations, and platform-specific crashes across Windows, Linux, and ARM64 systems.
- v2.1.56
Claude Code v2.1.56 Release Notes
Claude Code v2.1.56 fixes critical VS Code crashes related to the 'claude-vscode.editor.openLast' command, improving stability for power users.
- v2.1.51
Claude Code v2.1.51 Release Notes
Claude Code v2.1.51 introduces remote control capabilities, enhanced security fixes, and performance improvements for plugin management and tool execution.
- v2.1.52
Claude Code v2.1.52 Release Notes
Claude Code v2.1.52 fixes a critical Windows extension crash that was preventing VS Code users from accessing the openLast command.
- v2.1.50
Claude Code v2.1.50: Major Memory Optimizations and Worktree Isolation
Claude Code v2.1.50 brings significant memory leak fixes, worktree isolation support, and enhanced LSP configuration for power users.
- v2.1.49
Claude Code v2.1.49: Enhanced Performance and Better Plugin Management
Claude Code v2.1.49 delivers significant performance improvements, better interrupt handling, enhanced plugin management, and introduces Sonnet 4.6 with 1M context.
- v2.1.47
Claude Code v2.1.47: Major Windows Fixes and Performance Improvements
Claude Code v2.1.47 brings crucial Windows compatibility fixes, improved VS Code integration, and significant performance optimizations for power users.
- v2.1.44
Claude Code v2.1.44 Release Notes
Claude Code v2.1.44 is now available with critical authentication bug fixes. Update now for improved stability and reliability.
- v2.1.45
Claude Code v2.1.45 Release Notes
Claude Code v2.1.45 introduces Claude Sonnet 4.6 support, enhanced plugin management, and critical bug fixes for Agent Teams and sandbox operations.
- v2.1.42
Claude Code v2.1.42 Release Notes
Claude Code v2.1.42 brings important bug fixes for /resume command, Opus announcement display, and improved error handling for image processing.
- v2.1.41
Claude Code v2.1.41 Release Notes
Claude Code v2.1.41 brings new authentication CLI commands, Windows ARM64 support, improved session naming, and numerous bug fixes for a smoother development experience.
- v2.1.39
Claude Code v2.1.39 Release Notes
Claude Code v2.1.39 brings significant terminal improvements and critical bug fixes for better performance and stability.
- v2.1.38
Claude Code v2.1.38: Critical Bug Fixes and Security Improvements
Claude Code v2.1.38 delivers essential bug fixes for VS Code integration, terminal functionality, and enhanced security features for power users.
- v2.1.37
Claude Code v2.1.37 Release Notes
Claude Code v2.1.37 fixes the /fast command availability issue after enabling /extra-usage. Quick patch release for improved user experience.
- v2.1.36
Claude Code v2.1.36 Release Notes
Claude Code v2.1.36 introduces Fast Mode for Opus 4.6, delivering enhanced performance for power users.
- v2.1.33
Claude Code v2.1.33 Release Notes
Major improvements to multi-agent workflows, memory persistence, and VSCode integration in Claude Code v2.1.33.
- v2.1.34
Claude Code v2.1.34 Release Notes
Claude Code v2.1.34 delivers critical stability fixes for agent teams and sandbox security improvements for power users.
- v2.1.32
Claude Code v2.1.32 Release Notes
Claude Code v2.1.32 brings Claude Opus 4.6, experimental agent teams, automatic memory features, and numerous improvements for power users.
- v2.1.31
Claude Code v2.1.31 Release Notes
Claude Code v2.1.31 brings session resume hints, improved Japanese IME support, critical PDF handling fixes, and enhanced system prompts for better tool usage.
- v2.1.30
Claude Code v2.1.30: PDF Tools, OAuth & Performance
Claude Code v2.1.30 introduces selective PDF page reading, pre-configured OAuth credentials for MCP servers, debugging tools, and significant performance optimizations.
- v2.1.29
Claude Code v2.1.29 Release Notes
Claude Code v2.1.29 fixes critical startup performance issues when resuming sessions with saved hook context, improving user experience for power users.
January 2026
18- v2.1.27
Claude Code v2.1.27: GitHub Integration & Permissions
Claude Code v2.1.27 brings improved GitHub PR integration, enhanced debugging capabilities, and refined permission controls for power users.
- v2.1.23
Claude Code v2.1.23: Enterprise & Performance Updates
Claude Code v2.1.23 brings better corporate network support, customizable UI elements, and numerous bug fixes for a smoother development experience.
- v2.1.25
Claude Code v2.1.25 Release Notes
Claude Code v2.1.25 fixes beta header validation errors for Bedrock and Vertex gateway users, improving compatibility with experimental beta settings.
- v2.1.21
Claude Code v2.1.21 Release Notes
Claude Code v2.1.21 introduces Japanese IME support, Python virtual environment automation, and critical bug fixes for improved development workflow.
- v2.1.22
Claude Code v2.1.22 Release Notes
Claude Code v2.1.22 fixes structured outputs for non-interactive mode, improving reliability for automated workflows and batch processing.
- v2.1.20
Claude Code v2.1.20: Navigation, PR & Editor Updates
Claude Code v2.1.20 brings improved vim navigation, PR status indicators, external editor shortcuts, and numerous bug fixes for a smoother coding experience.
- v2.1.19
Claude Code v2.1.19: Command Shortcuts & Process Mgmt
Claude Code v2.1.19 introduces shorthand argument syntax, fixes processor compatibility issues, and improves session management across different directories.
- v2.1.16
Claude Code v2.1.16: Task Management & VSCode Updates
Claude Code v2.1.16 introduces a new task management system with dependency tracking, native VSCode plugin support, and several critical bug fixes for power users.
- v2.1.17
Claude Code v2.1.17 Release Notes
Claude Code v2.1.17 fixes critical crashes on processors without AVX instruction support, improving compatibility across hardware configurations.
- v2.1.15
Claude Code v2.1.15 Release Notes
Claude Code v2.1.15 brings improved performance, better npm installation guidance, and fixes for context warnings and MCP server timeouts.
- v2.1.14
Claude Code v2.1.14 Release Notes
Claude Code v2.1.14 brings history-based autocomplete, plugin search, memory fixes, and numerous improvements for power users.
- v2.1.11
Claude Code v2.1.11 Release Notes
Claude Code v2.1.11 is now available with important fixes for MCP connection stability and improved HTTP/SSE transport performance.
- v2.1.12
Claude Code v2.1.12 Release Notes
Claude Code v2.1.12 is now available with important message rendering bug fixes for improved stability and user experience.
- v2.1.9
Claude Code v2.1.9 Release Notes
Claude Code v2.1.9 brings enhanced MCP tool configuration, better session management, and improved terminal support for power users.
- v2.1.7
Claude Code v2.1.7 Release Notes
Claude Code v2.1.7 brings enhanced MCP tool management, improved Windows compatibility, and better user experience with new customization options.
- v2.1.6
Claude Code v2.1.6: Search, Stats & Major Bug Fixes
Claude Code v2.1.6 introduces powerful search functionality for settings, date range filtering for stats, improved context window management, and fixes critical security vulnerabilities.
- v2.1.5
Claude Code v2.1.5 Release Notes
Claude Code v2.1.5 adds CLAUDE_CODE_TMPDIR environment variable for custom temp directory configuration.
- v2.1.4
Claude Code v2.1.4 Release Notes
Claude Code v2.1.4 introduces new environment variable controls for background tasks and fixes OAuth token refresh issues.