Claude Code Changelog: Complete Version History

Looking for the latest releases? This changelog documents Claude Code's version history through February 2026. For the most current updates, run claude --version in your terminal.

v2.1.21

• Claude Opus 4.6 - New Opus 4.6 model with 1M token context window (beta) and top Terminal-Bench 2.0 scores
• Agent Teams - Experimental multi-agent collaboration with team leads, teammates, and shared task lists (CLAUDE_CODE_EXPERIMENTAL_AGENT_TEAMS=1)
• Model timeline - Browse the complete Claude model history from Claude 3 through Opus 4.6

v2.1.20

• Vim arrow history - Arrow key history navigation in vim normal mode when cursor cannot move further
• Editor shortcut visibility - External editor shortcut (Ctrl+G) added to help menu for discoverability
• PR review status - PR state indicator (approved, changes requested, pending, draft) as colored dot with clickable link in prompt footer
• Additional directories CLAUDE.md - Load CLAUDE.md files from directories specified via --add-dir flag (requires CLAUDE_CODE_ADDITIONAL_DIRECTORIES_CLAUDE_MD=1)
• Task deletion - Delete tasks via the TaskUpdate tool
• Session compaction fix - Fixed resume loading full history instead of compact summary
• Agent message fix - Fixed agents sometimes ignoring user messages sent while actively working
• Wide character rendering - Fixed emoji/CJK rendering artifacts where trailing columns weren't cleared
• MCP Unicode fix - Fixed JSON parsing errors when MCP tool responses contain special Unicode characters
• Multi-line navigation - Up/down arrows prioritize cursor movement over history navigation in multi-line input
• Draft prompt preservation - Fixed draft being lost when pressing UP arrow for command history
• Ghost text fix - Fixed flickering when typing slash commands mid-input
• Marketplace removal fix - Fixed source removal not properly deleting settings
• Duplicate output fix - Fixed duplicate output in commands like /context
• Task list positioning - Fixed task list sometimes showing outside main conversation view
• Diff syntax highlighting - Fixed highlighting for diffs within multiline constructs like Python docstrings
• Cancel crash fix - Fixed crashes when cancelling tool use
• Sandbox UI - Improved /sandbox command showing dependency status with installation instructions
• Thinking animation - Subtle shimmer animation for thinking status text
• Dynamic task list - Task list dynamically adjusts visible items based on terminal height
• Fork hint - Shows how to resume original session when forking conversations
• Read/search tense - Shows "Reading"/"Searching" while in progress, "Read"/"Searched" when complete
• ToolSearch notifications - Results appear as brief notification instead of inline
• Background agent permissions - Background agents now prompt for tool permissions before launching
• Config backups - Timestamped and rotated backups (keeping 5 most recent)

v2.1.19

• Task system toggle - CLAUDE_CODE_ENABLE_TASKS=false env var to use old system temporarily
• Argument shorthand - $0, $1, etc. for accessing individual arguments in custom commands
• AVX crash fix - Fixed crashes on processors without AVX instruction support
• Process cleanup - Fixed dangling processes when terminal closed by catching EIO errors
• Rename/tag directory fix - Fixed /rename and /tag not updating correct session in git worktrees
• Resume by title fix - Fixed resuming sessions by custom title from different directories
• Prompt stash fix - Fixed pasted text being lost when using Ctrl+S stash and restore
• Agent model display - Fixed showing "Sonnet (default)" instead of "Inherit (default)" for agents
• Background hook fix - Fixed backgrounded hook commands not returning early
• File preview fix - Fixed write preview omitting empty lines
• Skill approval - Skills without additional permissions or hooks allowed without approval
• Argument syntax change - Indexed arguments changed from $ARGUMENTS.0 to $ARGUMENTS[0]
• VSCode fork/rewind - Session forking and rewind enabled for all VSCode users

v2.1.18

• Customizable keybindings - Configure keyboard shortcuts per context, create chord sequences, and personalize workflow via /keybindings

v2.1.17

• AVX crash fix - Fixed crashes on processors without AVX instruction support

v2.1.16

• Task management - New task management system with dependency tracking
• VSCode plugins - Native plugin management support in VSCode
• Remote sessions - OAuth users can browse and resume remote Claude sessions from Sessions dialog
• Memory fix - Fixed out-of-memory crashes when resuming sessions with heavy subagent usage
• Compact warning - Fixed context warning not hiding after /compact
• Language setting - Session titles now respect user's language setting
• Windows sidebar fix - Fixed race condition where VSCode sidebar wouldn't appear on Windows startup

v2.1.15

• npm deprecation - Added deprecation notification for npm installations with migration guidance
• React Compiler - Improved UI rendering performance with React Compiler
• MCP timeout fix - Fixed MCP stdio server timeout not killing child processes (could cause UI freezes)

v2.1.14

• Bash history autocomplete - Type partial command and press Tab to complete from bash history in bash mode
• Plugin search - Search installed plugins list by name or description
• Plugin pinning - Support for pinning plugins to specific git commit SHAs
• Context limit fix - Fixed regression blocking users at ~65% context instead of ~98%
• Parallel subagent fix - Fixed memory issues causing crashes with parallel subagents
• Stream cleanup - Fixed memory leak where stream resources weren't cleaned after shell commands
• VSCode usage - Added /usage command in VSCode extension
• iTerm2 fix - Fixed progress bar not clearing properly on exit

v2.1.12

• Rendering fix - Fixed message rendering bug

v2.1.11

• MCP connections - Fixed excessive MCP connection requests for HTTP/SSE transports

v2.1.10

• Setup hook - New Setup hook event triggered via --init, --init-only, or --maintenance flags
• OAuth URL copy - Press 'c' to copy OAuth URL when browser doesn't open automatically
• Heredoc fix - Fixed crash with bash heredocs containing JavaScript template literals
• File suggestions - Improved to show as removable attachments instead of inserting text
• VSCode plugins - Added install count display and trust warnings for plugins

v2.1.9

• MCP auto threshold - auto:N syntax for configuring MCP tool search auto-enable threshold
• Plans directory - plansDirectory setting to customize plan file storage location
• PreToolUse context - Hooks can return additionalContext to the model
• Session ID variable - ${CLAUDE_SESSION_ID} string substitution for skills
• Session URL attribution - Commits and PRs from web sessions include session URL
• Ctrl+Z fix - Fixed suspend not working in Kitty keyboard protocol terminals

v2.1.7

• Turn duration setting - showTurnDuration setting to hide "Cooked for X" messages
• Permission feedback - Ability to provide feedback when accepting permission prompts
• Agent notifications - Inline display of agent's final response in task notifications
• Security fix - Fixed wildcard permission rules matching compound commands with shell operators
• Windows file watch - Fixed false "file modified" errors from cloud sync/antivirus tools
• MCP tool search default - Auto mode enabled by default (defers tools >10% context to MCPSearch)
• OAuth URL change - Changed OAuth URLs from console.anthropic.com to platform.claude.com

v2.1.6

• Config search - Search functionality in /config command
• Doctor updates - Updates section showing auto-update channel and npm versions
• Stats filtering - Date range filtering in /stats (Last 7 days, 30 days, All time)
• Nested skills - Auto-discovery of skills from nested .claude/skills directories
• Permission bypass fix - Fixed bypass via shell line continuation
• External CLAUDE.md - Improved approval dialog showing which files are imported

v2.1.5

• Custom temp directory - CLAUDE_CODE_TMPDIR environment variable for custom temp directory

v2.1.4

• Disable background tasks - CLAUDE_CODE_DISABLE_BACKGROUND_TASKS environment variable

v2.1.3

• Slash commands merged - Merged slash commands and skills for simpler mental model
• Release channel toggle - Toggle between stable and latest in /config
• Unreachable rules - Detection and warnings for unreachable permission rules
• Subagent model fix - Fixed sub-agents using wrong model during compaction
• Hook timeout change - Tool hook execution timeout increased from 60s to 10 minutes

v2.1.2

• Image source metadata - Source path added to images dragged onto terminal
• Clickable file paths - Hyperlinks for file paths in terminals supporting OSC 8
• Winget support - Windows Package Manager installation detection and update instructions
• Plan mode shortcut - Shift+Tab to quickly select "auto-accept edits" in plan mode
• Command injection fix - Fixed vulnerability in bash command processing
• Memory leak fix - Fixed tree-sitter parse trees not being freed
• Large outputs - Bash outputs saved to disk instead of truncated

v2.1.0

• Skill hot-reload - Skills in ~/.claude/skills or .claude/skills immediately available without restart
• Forked skill context - Run skills in forked sub-agent context with context: fork
• Language setting - Configure Claude's response language (e.g., language: "japanese")
• Shift+Enter fix - Works out of the box in iTerm2, WezTerm, Ghostty, and Kitty
• Security fix - Fixed sensitive data exposure in debug logs
• Wildcard bash permissions - * at any position in rules (e.g., Bash(npm *), Bash(git * main))
• Unified backgrounding - Ctrl+B backgrounds both bash commands and agents simultaneously
• MCP list_changed - Support for dynamic tool updates without reconnection
• /teleport command - Resume and configure remote sessions for claude.ai subscribers
• Agent hooks - Hooks support in agent frontmatter for PreToolUse, PostToolUse, and Stop
• New Vim motions - ;, , for repeat, y/yy/Y for yank, p/P for paste, text objects, >>, <<, J
• /plan command - Shortcut to enable plan mode directly
• --tools flag - Restrict built-in tools in interactive sessions
• No plan mode permission - Removed permission prompt when entering plan mode

v2.0.76

• macOS signing fix - Fixed code-sign warning with Claude in Chrome integration

v2.0.75

• Minor bugfixes

v2.0.74

• LSP tool - Language Server Protocol support for go-to-definition, find references, hover docs
• Terminal setup - /terminal-setup support for Kitty, Alacritty, Zed, and Warp
• Theme shortcuts - Ctrl+T to toggle syntax highlighting in /theme
• Context improvements - Grouped skills and agents by source in /context command

v2.0.73

• Clickable images - [Image #N] links open attached images in default viewer
• Yank-pop - Alt+Y to cycle through kill ring history after Ctrl+Y
• Plugin search - Type to filter in plugin discover screen
• Custom session IDs - Support with --session-id combined with --resume/--continue
• VSCode tab badges - Pending permissions (blue) and unread completions (orange)

v2.0.72

• Claude in Chrome - Beta feature to control browser directly from Claude Code via Chrome extension
• Terminal flickering - Reduced flickering
• @ mention speed - ~3x faster file suggestions in git repositories
• Thinking toggle change - Changed from Tab to Alt+T to avoid accidental triggers

v2.0.71

• Prompt suggestions toggle - /config toggle to enable/disable
• Settings alias - /settings as alias for /config
• Glob pattern fix - Fixed permission rules rejecting valid bash commands with globs
• Bedrock base URL - ANTHROPIC_BEDROCK_BASE_URL now respected for token counting
• Syntax highlighting - New engine for native build

v2.0.70

• Enter to accept suggestions - Enter accepts and submits prompt suggestions immediately
• MCP wildcard permissions - mcp__server__* syntax to allow/deny all tools from a server
• Plugin auto-update - Per-marketplace control over automatic updates
• Memory improvement - 3x improvement for large conversations
• Removed # shortcut - Quick memory entry removed (use Claude to edit CLAUDE.md)

v2.0.69

• Minor bugfixes

v2.0.68

• IME support - Fixed Input Method Editor for Chinese, Japanese, Korean
• CJK navigation - Option+Arrow now navigates by word in CJK text
• Plan mode exit UX - Simplified yes/no dialog for empty/missing plans
• Enterprise settings - Support for enterprise managed settings

v2.0.67

• Thinking mode default - Now enabled by default for Opus 4.5
• Thinking config moved - Configuration moved to /config
• Permissions search - Search functionality in /permissions with / shortcut
• Non-Latin text fix - Fixed word deletion/navigation for Cyrillic, Greek, Arabic, Hebrew, Thai, Chinese
• Windows MCP fix - Fixed plugin MCP servers failing due to colons in log paths

v2.0.65

• Model switching - Switch models mid-prompt with Alt+P (Option+P on Mac)
• Context info - View detailed context window information
• File suggestions - Added setting to configure file suggestion behavior
• Shell detection - New environment variable for shell detection customization
• Prompt history fix - Fixed issues with prompt history navigation
• Image format - Improved image format detection

v2.0.64

• Instant auto-compacting - Faster context management with instant auto-compaction
• Async execution - Agents and bash commands can now run asynchronously
• Stats command - /stats command shows usage metrics and statistics
• Named sessions - Support for named sessions via /rename and /resume commands
• Rules directory - Support for .claude/rules/ directory for project rules
• Image metadata - Added image dimension metadata support
• Environment files - Fixed auto-loading of environment files
• System prompt flags - Fixed system prompt flag handling
• Resume UI - Improved /resume interface experience
• VSCode clipboard - Added clipboard button in VSCode extension
• Windows ARM64 - Fixed Windows ARM64 compatibility issues
• Bedrock tokens - Improved token counting efficiency for Bedrock
• Unified TaskOutputTool - Consolidated agent output handling

v2.0.62

• Recommended indicator - Added "(Recommended)" indicator for multiple-choice questions
• Attribution setting - New setting for commit/PR attribution preferences
• Slash command fix - Fixed slash command duplication issue
• Symlink fix - Fixed issues with symlinked directories
• Skill symlinks - Resolved circular symlink issues in skill files
• Version lock - Fixed version lock file staleness detection
• IDE diff fix - Fixed diff tab close behavior in IDE

v2.0.61

• VSCode revert - Reverted VSCode support for multiple terminal clients due to responsiveness issues

v2.0.60

• Background agents - Agents run in the background while you work
• CLI flag - Added --disable-slash-commands CLI flag to disable all slash commands
• Commit attribution - Added model name to "Co-Authored-By" commit messages
• MCP toggle - /mcp enable [server-name] or /mcp disable [server-name] for quick toggling
• Fetch optimization - Updated Fetch to skip summarization for pre-approved websites
• VSCode multi-client - Added support for multiple terminal clients connecting to IDE server

v2.0.59

• Agent CLI flag - Added --agent CLI flag to override the agent setting for current session
• Agent setting - Configure main thread with a specific agent's system prompt, tool restrictions, and model
• VSCode fix - Fixed .claude.json config file being read from incorrect location

v2.0.58

• Opus 4.5 for Pro - Pro users now have access to Opus 4.5 as part of their subscription
• Timer fix - Fixed timer duration showing "11m 60s" instead of "12m 0s"
• Windows paths - Managed settings now prefer C:\Program Files\ClaudeCode

v2.0.57

• Plan feedback - Added feedback input when rejecting plans, allowing users to tell Claude what to change
• VSCode streaming - Added streaming message support for real-time response display

v2.0.56

• Progress bar setting - Added setting to enable/disable terminal progress bar (OSC 9;4)
• VSCode secondary sidebar - Support for VS Code's secondary sidebar (VS Code 1.97+)

v2.0.55

• Proxy DNS fix - Fixed proxy DNS resolution being forced on by default (now opt-in via CLAUDE_CODE_PROXY_RESOLVES_HOSTS=true)
• Keyboard nav fix - Fixed keyboard navigation becoming unresponsive in memory location selector
• AskUserQuestion improvement - Auto-submit single-select questions on the last question
• Fuzzy matching - Improved @ file suggestions with faster, more accurate results

v2.0.54

• PermissionRequest hooks - Enable hooks to process 'always allow' suggestions
• iTerm fix - Fix issue with excessive iTerm notifications

v2.0.52

• Duplicate message fix - Fixed duplicate message display when starting Claude with command line argument
• Usage command fix - Fixed /usage progress bars to fill up as usage increases
• Linux image paste - Fixed image pasting on Linux systems running Wayland
• Bash improvement - Permit some uses of $! in bash commands

v2.0.51

• Opus 4.5 released - Opus 4.5 is now available
• Claude Code for Desktop - Introducing Claude Code for Desktop
• Updated usage limits - Updated limits for Claude Code users
• Pro extra usage - Pro users can purchase extra usage for Opus 4.5
• Plan Mode improvements - More precise plans and more thorough execution
• Usage notifications - Easier to understand usage limit notifications

v2.0.50

• MCP nested refs fix - Fixed bug preventing calling MCP tools with nested references in input schemas
• Ultrathink display - Improved ultrathink text display
• Session limit clarity - Improved clarity of 5-hour session limit warning

v2.0.49

• Readline paste - Added readline-style ctrl-y for pasting deleted text
• Warning clarity - Improved clarity of usage limit warning message
• Subagent permissions - Fixed handling of subagent permissions

v2.0.47

• Teleport improvements - Improved error messages and validation for claude --teleport
• Usage error handling - Improved error handling in /usage
• History fix - Fixed race condition with history entry not getting logged at exit
• Vertex fix - Fixed Vertex AI configuration not being applied from settings.json

v2.0.45

• Microsoft Foundry - Added support for Microsoft Foundry
• PermissionRequest hook - Automatically approve or deny tool permission requests with custom logic
• Web background tasks - Send background tasks to Claude Code on the web by starting a message with &

v2.0.43

• Agent permissionMode - Added permissionMode field for custom agents
• Hook tool_use_id - Added tool_use_id field to hook input types
• Skills frontmatter - Declare skills to auto-load for subagents
• SubagentStart hook - Added the SubagentStart hook event
• CLAUDE.md fix - Fixed nested CLAUDE.md files not loading when @-mentioning files
• NotebookEdit fix - Fixed cell insertion at incorrect positions

v2.0.42

• SubagentStop fields - Added agent_id and agent_transcript_path fields to SubagentStop hooks

v2.0.41

• Stop hook model - Added model parameter to prompt-based stop hooks
• Slash command fix - Fixed slash commands from user settings being loaded twice
• Plugin hook fix - Fixed crash when plugin command hooks timeout
• Bedrock model fix - Bedrock users no longer see duplicate Opus entries
• Security links - Fixed broken security documentation links

v2.0.37

• Notification idleness - Fixed how idleness is computed for notifications
• Hook matchers - Added matcher values for Notification hook events
• Output styles option - Added keep-coding-instructions option to frontmatter

v2.0.36

• Autoupdater fix - DISABLE_AUTOUPDATER now properly disables package manager update notifications
• Queue fix - Fixed queued messages being incorrectly executed as bash commands

v2.0.35

• Fuzzy search - Improved fuzzy search results when searching commands
• VSCode fonts - Extension respects chat.fontSize and chat.fontFamily settings
• Exit delay - Added CLAUDE_CODE_EXIT_AFTER_STOP_DELAY for automated workflows
• ignorePatterns migration - Migrated to deny permissions in localSettings

v2.0.34

• VSCode permission mode - Added setting to configure initial permission mode for new conversations
• Rust fuzzy finder - Improved file path suggestion performance with native Rust-based fuzzy finder
• OAuth fix - Fixed infinite token refresh loop for MCP servers with OAuth
• Memory fix - Fixed memory crash when reading or writing large files

v2.0.33

• Native launch speed - Native binary installs now launch quicker
• Doctor fix - Fixed claude doctor incorrectly detecting Homebrew vs npm-global installations
• MCP serve fix - Fixed claude mcp serve exposing tools with incompatible outputSchemas

v2.0.32

• Output styles restored - Un-deprecated output styles based on community feedback
• Company announcements - Added companyAnnouncements setting for startup announcements
• Hook progress fix - Fixed hook progress messages not updating during PostToolUse hook execution

v2.0.31

• Windows mode switch - Native installation uses shift+tab for mode switching (instead of alt+m)
• Vertex web search - Add support for Web Search on supported models
• VSCode gitignore - Added respectGitIgnore configuration for file searches
• MCP tool names fix - Fixed "Tool names must be unique" error with subagents
• Compact fix - Fixed /compact failing with prompt_too_long
• Plugin uninstall - Fixed plugin uninstall not removing plugins

v2.0.30

• macOS keychain hint - Added helpful hint to run security unlock-keychain for API key errors
• Sandbox setting - Added allowUnsandboxedCommands sandbox setting
• Agent disallowedTools - Added disallowedTools field to custom agent definitions
• Prompt-based stop hooks - Added prompt-based stop hooks
• SSE MCP on native - Enabled SSE MCP servers on native build
• Output styles deprecated - Deprecated output styles (use --system-prompt-file or plugins instead)
• Explore agent fix - Fixed Explore agent creating unwanted .md files

v2.0.28

• Plan subagent - Introduced new Plan subagent for plan mode
• Subagent resume - Claude can now choose to resume subagents
• Dynamic model selection - Claude can dynamically choose the model used by subagents
• SDK budget flag - Added --max-budget-usd flag
• Git plugins - Add branch and tag support for git-based plugins using fragment syntax

v2.0.27

• New permission UI - New UI for permission prompts
• Branch filtering - Added current branch filtering and search to session resume screen
• Directory @-mention fix - Fixed "No assistant message found" error
• VSCode gitignore - Added config setting to include .gitignored files in searches

v2.0.25

• Legacy SDK removed - Removed legacy SDK entrypoint. Please migrate to @anthropic-ai/claude-agent-sdk

v2.0.24

• Skills fix - Fixed project-level skills not loading with --setting-sources 'project'
• Web teleport - Claude Code Web: Support for Web -> CLI teleport
• Sandbox mode - Releasing sandbox mode for BashTool on Linux & Mac
• Bedrock auth - Display awsAuthRefresh output when auth is required

v2.0.22

• Layout shift fix - Fixed content layout shift when scrolling through slash commands
• IDE thinking toggle - Add toggle to enable/disable thinking
• Permission prompt fix - Fixed duplicate permission prompts with parallel tool calls
• Enterprise MCP - Added support for enterprise managed MCP allowlist and denylist

v2.0.21

• MCP structuredContent - Support for MCP structuredContent field in tool responses
• Interactive questions - Added interactive question tool for better user interaction
• Enhanced plan mode - Claude will now ask you questions more often in plan mode
• Haiku 4.5 for Pro - Added Haiku 4.5 as a model option for Pro users
• Queued commands fix - Fixed issue where queued commands don't have access to previous messages' output

v2.0.20

• Claude Skills - Added support for Claude Skills

v2.0.19

• Auto-background commands - Auto-background long-running bash commands instead of killing them (customizable via BASH_DEFAULT_TIMEOUT_MS)
• Print mode fix - Fixed bug where Haiku was unnecessarily called in print mode

v2.0.17

• Haiku 4.5 released - Added Haiku 4.5 to model selector
• Smart model switching - Haiku 4.5 automatically uses Sonnet in plan mode, Haiku for execution
• Explore subagent - Introducing the Explore subagent powered by Haiku for efficient codebase searching
• OTEL improvements - Support for HTTP_PROXY and HTTPS_PROXY
• Traffic control - CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC now disables release notes fetching

v2.0.15

• Resume fixes - Fixed bug with resuming where previously created files needed to be read again before writing
• Print mode fix - Fixed bug with -p mode where @-mentioned files needed to be read again before writing

v2.0.14

• MCP @-mentions - Fix @-mentioning MCP servers to toggle them on/off
• Permission improvements - Improve permission checks for bash with inline env vars
• Ultrathink fixes - Fix ultrathink + thinking toggle
• Login optimization - Reduce unnecessary logins
• Documentation - Document --system-prompt

v2.0.13

• Native build fix - Fixed /plugin not working on native build

v2.0.12

• Plugin System Released - Extend Claude Code with custom commands, agents, hooks, and MCP servers from marketplaces
• Plugin commands - /plugin install, /plugin enable/disable, /plugin marketplace for plugin management
• Team collaboration - Repository-level plugin configuration via extraKnownMarketplaces
• Plugin validation - /plugin validate command for validating plugin structure
• Diagnostics - Comprehensive error messages via /doctor command

v2.0.11

• System prompt optimization - Reduced system prompt size by 1,400 tokens
• IDE improvements - Fixed keyboard shortcuts and focus issues
• Rate limit fixes - Fixed Opus fallback rate limit errors appearing incorrectly
• Command fixes - Fixed /add-dir command selecting wrong default tab

v2.0.10

• Terminal renderer rewrite - Rewrote terminal renderer for buttery smooth UI
• MCP toggle - Enable/disable MCP servers by @mentioning, or in /mcp
• Tab completion - Added tab completion for shell commands in bash mode
• Hook enhancements - PreToolUse hooks can now modify tool inputs
• Editor integration - Press Ctrl-G to edit your prompt in your system's configured text editor

v2.0.9

• Bash backgrounding fix - Fix regression where bash backgrounding stopped working

v2.0.8

• Bedrock model update - Update Bedrock default Sonnet model to global.anthropic.claude-sonnet-4-5-20250929-v1:0
• IDE drag-and-drop - Add drag-and-drop support for files and folders in chat
• Context fixes - Fix counting for thinking blocks in /context
• Theme improvements - Improve message rendering for users with light themes on dark terminals

v2.0.5

• IME fixes - Fix IME unintended message submission with Enter and Tab
• Terminal link - Add "Open in Terminal" link in login screen
• OAuth fixes - Fix unhandled OAuth expiration 401 API errors

v2.0.1

• Bedrock/Vertex updates - Skip Sonnet 4.5 default model setting change for Bedrock and Vertex
• Bug fixes - Various bug fixes and presentation improvements

v2.0.0

• Native VS Code extension - New native VS Code extension
• Fresh UI - Fresh coat of paint throughout the whole app
• Rewind feature - /rewind a conversation to undo code changes
• Usage tracking - /usage command to see plan limits
• Thinking toggle - Tab to toggle thinking (sticky across sessions)
• History search - Ctrl-R to search history
• SDK rename - The Claude Code SDK is now the Claude Agent SDK
• Dynamic agents - Add subagents dynamically with --agents flag

---

Version 1.0 Series

v1.0.126

• Context command - Enable /context command for Bedrock and Vertex
• mTLS support - Add mTLS support for HTTP-based OpenTelemetry exporters

v1.0.124

• Bash login control - Set CLAUDE_BASH_NO_LOGIN environment variable to skip login shell for BashTool
• Security improvements - No longer inform Claude of the list of allowed tools when permission is denied
• Bash security - Fixed security vulnerability in Bash tool permission checks

v1.0.123

• Bash permission rules - Now support output redirections when matching
• Thinking mode fix - Fixed thinking mode triggering on negation phrases like "don't think"
• SlashCommand tool - Added SlashCommand tool enabling Claude to invoke your slash commands

v1.0.120

• Input lag fix - Fix input lag during typing, especially noticeable with large prompts
• Security fix - Fixed security vulnerability where Bash tool permission checks could be bypassed

v1.0.119

• Windows fix - Fix Windows issue where process visually freezes on entering interactive mode
• Dynamic MCP headers - Support dynamic headers for MCP servers via headersHelper configuration

v1.0.117

• History search - Add Ctrl-R history search to recall previous commands like bash/zsh
• Input lag fix - Fix input lag while typing, especially on Windows

v1.0.115

• Thinking display - Improve thinking mode display with enhanced visual effects
• Thinking toggle - Type /t to temporarily disable thinking mode in your prompt

v1.0.112

• Transcript mode - Added the model used to generate each assistant message
• Hooks improvements - Added systemMessage support for SessionEnd hooks

v1.0.110

• WezTerm support - /terminal-setup command now supports WezTerm
• OAuth refresh - MCP OAuth tokens now proactively refresh before expiration

v1.0.106

• Windows paths - Fixed path permission matching to consistently use POSIX format

v1.0.94

• Vertex global endpoints - Add support for global endpoints for supported models
• Memory editing - /memory command now allows direct editing of all imported memory files
• Todos command - Added /todos command to list current todo items

v1.0.90

• Settings reload - Settings file changes take effect immediately - no restart required

v1.0.88

• OAuth fix - Resolved "OAuth authentication is currently not supported" issue
• Status line - Now includes exceeds_200k_tokens indicator
• Model environment variables - Added ANTHROPIC_DEFAULT_SONNET_MODEL and ANTHROPIC_DEFAULT_OPUS_MODEL

v1.0.85

• Cost visibility - Status line now shows real-time session costs
• Hooks enhancement - New SessionEnd hook for cleanup operations

v1.0.84

• Network stability - Fixed tool_use/tool_result ID mismatch errors during unstable connections
• Built-in ripgrep - Now default (disable with USE_BUILTIN_RIPGREP=0)

v1.0.81

• Output styles released - New educational styles "Explanatory" and "Learning"

v1.0.77

• Opus Plan Mode - New /model setting to use Opus only for planning

v1.0.73

• MCP flexibility - Support multiple config files: --mcp-config file1.json file2.json
• Alpine Linux support - Now works with musl-based distributions

v1.0.71

• Background commands - Ctrl+B runs commands in background (perfect for dev servers)
• Custom status line - Add terminal prompts with /statusline

v1.0.70

• Performance boost - Optimized rendering for large contexts
• Windows fixes - Native file search, ripgrep, and subagents now working

v1.0.69

• Opus 4.1 - Major model upgrade with improved capabilities

v1.0.60

• Custom subagents - Create custom subagents for specialized tasks with /agents

v1.0.58

• PDF support - Added support for reading PDFs

v1.0.51

• Native Windows - Added support for native Windows (requires Git for Windows)

v1.0.38

• Hooks released - Custom automation hooks for pre/post tool execution

v1.0.27

• MCP improvements - Streamable HTTP MCP servers, OAuth support, @-mentionable resources
• Resume command - /resume slash command to switch conversations

v1.0.23

• SDK releases - Released TypeScript SDK and Python SDK

v1.0.11

• Claude Pro support - Claude Code can now be used with a Claude Pro subscription

v1.0.0

• General availability - Claude Code is now generally available
• New models - Introducing Sonnet 4 and Opus 4 models

---

Version 0.2 Series (Beta)

v0.2.96

• Claude Max - Claude Code can now be used with a Claude Max subscription

v0.2.93

• Resume conversations - claude --continue and claude --resume
• Todo list - Claude now has access to a Todo list for organization

v0.2.75

• Message queuing - Hit Enter to queue additional messages while Claude works
• Image support - Drag in or copy/paste image files directly
• @-mentions - @-mention files to directly add them to context

v0.2.54

• Memory shortcut - Start your message with '#' to add to Memory
• Transcript mode - Press ctrl+r to see full output for long tool results
• MCP SSE transport - Added support for MCP SSE transport

v0.2.50

• MCP project scope - Add MCP servers to .mcp.json files and commit to repository

v0.2.47

• Auto-complete - Press Tab to auto-complete file and folder names
• Auto-accept toggle - Press Shift + Tab to toggle auto-accept for file edits
• Infinite conversations - Automatic conversation compaction

v0.2.44

• Thinking mode - Say 'think' or 'think harder' or 'ultrathink' for planning mode

v0.2.34

• Vim bindings - Enable with /vim or /config

v0.2.31

• Custom slash commands - Markdown files in .claude/commands/ directories appear as custom slash commands
• MCP debug mode - Run with --mcp-debug flag for more information about MCP server errors

v0.2.21

• Fuzzy matching - Fuzzy matching for /commands