Claude Code
AI ToolAnthropic's agentic coding tool for terminal, VS Code, JetBrains, and desktop. Features autonomous coding, MCP integration, and multi-file editing.
Components
Release History
v2.1.1121 fixThis release focuses on stability by resolving an availability error encountered when using auto mode with the claude-opus-4-7 model. No new features or general improvements were introduced in this update.
v2.1.11113 features15 fixes5 improvementsThis release introduces the powerful Claude Opus 4.7 xhigh model, allowing fine-grained control over speed and intelligence via the updated `/effort` command. Key new capabilities include the comprehensive `/ultrareview` skill for multi-agent code analysis and an automatic theme matching your terminal settings. Several critical bugs related to file suggestions, permission prompts, and terminal rendering have also been resolved.
v2.1.1106 features20 fixes7 improvementsThis release introduces significant new interaction methods, including a flicker-free TUI mode and a mobile push notification tool for remote control. Several critical bugs related to hanging API calls, session state management, and UI rendering have been resolved. Additionally, usability is improved with better plugin management and enhanced external editor integration.
v2.1.1091 improvementThis release focuses on enhancing the user experience by refining the extended-thinking indicator. Users will now see a rotating progress hint during extended thinking processes.
v2.1.1084 features14 fixes6 improvementsThis release introduces a new session recap feature to restore context when returning to ongoing work, and enables the model to invoke built-in slash commands directly via the Skill tool. Several quality-of-life improvements include better error messaging, reduced memory usage for file operations, and configuration options for prompt caching TTLs.
v2.1.1071 improvementThis release focuses on improving the user experience during long operations by providing thinking hints sooner. There are no major new features or bug fixes noted in this update.
v2.1.1054 features24 fixes9 improvementsThis release introduces significant enhancements to tool capabilities, including adding a `path` parameter to `EnterWorktree` and enabling background monitor support for plugins. Numerous fixes address issues related to UI rendering, queued message handling, and network error reporting, alongside several quality-of-life improvements for configuration and debugging.
v2.1.104v2.1.1013 features31 fixes12 improvementsThis release introduces a new \/team-onboarding command for generating ramp-up guides and enables enterprise TLS proxy support by trusting the OS CA certificate store by default. Numerous stability and usability improvements were made, particularly around session resumption, error messaging for tool usage, and handling of settings and plugins.
v2.1.100v2.1.989 features38 fixes10 improvementsThis release introduces significant security and configuration enhancements, including an interactive Vertex AI setup wizard and new subprocess sandboxing features for Linux. Numerous bug fixes address critical issues related to Bash command permissions, streaming response fallbacks, and configuration overrides across various modes like fullscreen and resume.
v2.1.976 features28 fixes12 improvementsThis release introduces significant enhancements to the NO_FLICKER mode, including a new focus view toggle and numerous stability fixes for terminal rendering and input handling. Several critical bugs related to permissions, configuration persistence, and API retries have been resolved, alongside improvements to image token usage and CJK input handling for slash commands.
v2.1.961 fixThis release addresses a critical regression affecting Bedrock requests. Specifically, it resolves an issue where authorization headers were missing, causing 403 errors when using specific Bedrock authentication methods.
v2.1.945 features16 fixes4 improvementsThis release introduces support for Amazon Bedrock powered by Mantle and enhances plugin functionality by stabilizing invocation names and improving hook reliability. Several critical bugs were fixed, including silent login failures on macOS and issues with rate-limiting handling, ensuring a more robust user experience.
v2.1.924 features12 fixes4 improvementsThis release introduces an interactive Bedrock setup wizard for easier AWS integration and adds detailed cost breakdowns for subscription users. Several critical bugs have been resolved, including issues with subagent spawning in tmux sessions and incorrect hook behavior. Additionally, the /release-notes command is now interactive, and the /vim command has been replaced by a configuration toggle.
v2.1.914 features5 fixes4 improvementsThis release introduces significant new capabilities, including support for larger MCP tool results (up to 500K chars) and the ability for plugins to ship and execute their own binaries. Several critical bugs were resolved, such as fixing conversation history loss during resume operations and correcting `cmd+delete` behavior across major terminals.
v2.1.902 features8 fixes9 improvementsThis release introduces interactive lessons via /powerup to help users learn Claude Code features, alongside a new environment variable for better offline marketplace caching. Several critical bugs were fixed, including an infinite loop crash related to usage limits and regressions affecting `--resume` functionality. Performance has also been significantly improved for SDK sessions and large streamed data handling.
v2.1.897 features30 fixes14 improvementsThis release introduces significant new capabilities for headless sessions with deferred permission handling and enhanced tool usage hooks. Numerous bugs have been resolved across file operations, history persistence, and tool execution, particularly for Windows and large file handling. Quality of life improvements include better tool summaries, updated PowerShell guidance, and disabling default thinking summaries.
v2.1.884 features30 fixes7 improvementsThis release introduces significant stability improvements for long sessions, fixing numerous memory leaks, rendering issues, and tool execution bugs across various operating systems and environments. Key new capabilities include flicker-free rendering options and a new `PermissionDenied` hook for better auto-mode control. Users will notice fixes for issues related to large file editing, prompt history corruption, and improved behavior in PowerShell environments.
v2.1.871 fixThis release focuses on a critical fix for message delivery within the Cowork Dispatch system. Users should now see reliable message transmission in that module.
v2.1.862 features16 fixes8 improvementsThis release focuses heavily on stability and efficiency, fixing numerous bugs related to session handling, file operations, and UI responsiveness across various platforms. Key improvements include reduced token overhead for file mentions and better performance during startup when many connectors are configured.
v2.1.856 features17 fixes7 improvementsThis release introduces significant enhancements to hook execution, allowing conditional running based on permission rules and enabling headless integrations via PreToolUse hooks. Several critical bugs related to session compaction, plugin management, and OpenTelemetry logging have been resolved. Performance improvements were also made, particularly around scrolling large transcripts and file autocomplete.
v2.1.849 features14 fixes17 improvementsThis release introduces several new configuration options via environment variables for advanced model pinning and streaming timeouts, alongside the opt-in preview of the PowerShell tool for Windows. Key fixes address issues with voice input, terminal key responsiveness, and startup performance, while general improvements enhance readability for large token counts and streamline MCP server configuration.
v2.1.835 features32 fixes21 improvementsThis release introduces significant enhancements for environment management, including new hook events and policy configuration options, alongside a highly requested transcript search feature. Users will also benefit from improved startup performance, better handling of large file diffs, and fixes for several stability issues across macOS and Linux, particularly concerning voice mode and remote sessions.
v2.1.812 features18 fixes8 improvementsThis release introduces a new --bare flag for scripted calls and enables channel servers to relay tool approval prompts directly to your phone. Several critical bugs were fixed, including issues with OAuth token refreshing across concurrent sessions, voice mode error handling, and various race conditions affecting background tasks and clipboard operations. Performance and UX have also been improved, particularly around plugin updates and Remote Control session management.
v2.1.805 features6 fixes6 improvementsThis release introduces several new configuration and integration features, including inline plugin definitions and support for overriding model effort via frontmatter. Key fixes address issues with session restoration after parallel tool calls and resolve WebSocket failures related to TLS fingerprinting. Performance improvements include reduced startup memory usage for large repositories.
v2.1.794 features11 fixes3 improvementsThis release introduces new authentication options for API billing and a `/remote-control` feature in VS Code to bridge sessions to the web interface. Several critical bugs have been resolved, including fixes for subprocess hanging, Ctrl+C in print mode, and issues with voice activation and session hook firing. Performance improvements include reduced startup memory usage and better handling of non-streaming API fallbacks.
v2.1.785 features19 fixes2 improvementsThis release introduces several new developer capabilities, including a `StopFailure` hook and persistent plugin state via the `${CLAUDE_PLUGIN_DATA}` variable. Users will benefit from line-by-line response streaming and significant fixes addressing issues with sandboxing, tool permissions, and conversation history truncation. Performance has also been improved for resuming large sessions.
v2.1.774 features29 fixes12 improvementsThis release significantly increases the maximum output token limits for Opus and Sonnet models, reaching up to 128k tokens for some configurations. Numerous critical bugs were fixed, including issues related to compound command permissions, memory leaks during long sessions, and various terminal/IDE integration problems. Performance improvements include faster startup on macOS and quicker session resume times.
v2.1.767 features20 fixes8 improvementsThis release introduces significant new capabilities, including MCP elicitation support for structured mid-task input and new developer hooks for response interception. Numerous bugs have been resolved across areas like slash commands, voice mode, and session management, alongside performance improvements for `--worktree` startup and better handling of background agents.
v2.1.75v2.1.742 features13 fixes2 improvementsThis release introduces actionable suggestions via the /context command to help optimize memory and context usage, alongside a new setting to customize auto-memory storage location. Several critical bugs were resolved, including fixes for memory leaks, issues with MCP OAuth refresh tokens, and improved rendering for RTL text across various terminals.
v2.1.735 features16 fixes5 improvementsThis release introduces the ability to map model picker entries to custom provider model IDs using the new `modelOverrides` setting. Several critical bugs related to agent deadlocks, permission prompt freezes, and incorrect model version selection have been resolved. Additionally, the Up arrow interaction after interrupting Claude has been improved for a smoother conversation rewind experience.
v2.1.7210 features32 fixes12 improvementsThis release introduces several new capabilities, including direct file writing from `/copy` and an enhanced `/plan` command that accepts descriptions. Significant stability improvements were made, fixing numerous bugs related to voice input, plugin installation, session resumption, and permission handling across the system. Users will also benefit from performance gains due to improved bash parsing and reduced bundle size.
v2.1.714 features18 fixes6 improvementsThis release introduces powerful new scheduling capabilities with the /loop command and cron tools for recurring prompts. Numerous bugs have been resolved, particularly around session stability, startup freezes related to voice mode and OAuth refresh, and issues with forked conversations and plugin management. Performance has also seen improvements, including faster startup by deferring image processor loading.
v2.1.703 features20 fixes6 improvementsThis release focuses heavily on stability and correctness across various environments, fixing numerous bugs related to API calls, UI interactions, and platform-specific issues on Windows and VS Code. Key new additions include enhanced session management within VS Code via a new activity bar icon and a dedicated markdown view for reviewing plans.
v2.1.591 feature2 fixes4 improvementsThis release introduces the new /copy command for easily selecting code blocks and enhances context management by enabling automatic saving to auto-memory. Several stability improvements were made, including fixes for OAuth token refreshing and clearer error messages for shell commands in deleted directories.
v2.1.581 featureThis release focuses on expanding access to the Remote Control feature for more users. No other specific features or fixes were detailed in these notes.
v2.1.561 fixThis release focuses on stability within the VS Code extension. The primary update is a fix addressing crashes related to the 'claude-vscode.editor.openLast' command.
v2.1.551 fixThis release focuses on stability, specifically addressing a critical bug where the BashTool failed on Windows systems due to an EINVAL error. Users on Windows should now experience reliable operation of the BashTool.
v2.1.538 fixesThis release focuses heavily on stability and reliability across multiple platforms. Key fixes address crashes related to process spawning on Windows, WebAssembly interpretation, and issues with Remote Control session cleanup. Additionally, the user experience for bulk agent control has been improved by consolidating notifications.
v2.1.521 fixThis release focuses on stability for VS Code users on Windows. A critical bug causing the extension to crash when attempting to execute the 'claude-vscode.editor.openLast' command has been resolved.
v2.1.513 features4 fixes5 improvementsThis release introduces new capabilities for external builds with the `claude remote-control` subcommand and enhances plugin management by adding support for custom npm registries and version pinning. Several critical security issues related to hook execution and environment variable interpolation have been resolved, alongside performance improvements for BashTool and better context management for long conversations.
v2.1.507 features15 fixes4 improvementsThis release introduces significant stability and memory management improvements, fixing numerous memory leaks across sessions, task handling, and diagnostics. Key new features include declarative agent worktree isolation, new CLI commands for agent management, and expanded context window control via environment variables.
v2.1.493 features9 fixes6 improvementsThis release introduces the ability to edit files directly within Simple Mode and adds a new configuration change hook for enhanced security auditing. Several critical bugs related to keyboard input handling, cache regressions, and unbounded memory growth during long sessions have been resolved. Performance has also been improved across startup and non-interactive modes through better caching and reduced API calls.
v2.1.474 features43 fixes10 improvementsThis release focuses heavily on stability and platform compatibility, delivering numerous bug fixes across Windows, shell execution, and file system interactions. Key improvements include better memory management for long sessions, faster file suggestion performance, and enhanced usability for the VS Code plan preview feature.
v2.1.453 features7 fixes4 improvementsThis release introduces support for the new Claude Sonnet 4.6 model and adds significant customization options, including the ability to override spinner tips. Several critical bugs were fixed, particularly around Agent Teams stability on various providers and resolving temporary file permission errors on macOS.
v2.1.44v2.1.422 fixes1 improvementThis release focuses on correcting display issues within the tool. Specifically, it fixes how session titles are displayed after resuming and removes an erroneous launch announcement for certain users. An error message has also been improved for better guidance on image dimension limits.
v2.1.412 features11 fixes2 improvementsThis release introduces new command-line tools for managing authentication (`claude auth`) and adds native support for Windows ARM64. Several critical bugs were resolved, including fixes for hanging AWS authentication, file resolution issues with @-mentions, and process blocking when reading large files or standard input.
v2.1.394 fixes1 improvementThis release focuses primarily on stability and correctness within the terminal interface. Key fixes include ensuring fatal errors are properly displayed and resolving issues with processes hanging after session closure.
v2.1.385 fixes2 improvementsThis release focuses primarily on stability and correctness, addressing several bugs related to terminal scrolling, command handling with the Tab key, and session management within the VS Code extension. Users will also benefit from improved parsing for heredoc delimiters and enhanced security by blocking writes to the skills directory in sandbox mode.
v2.1.371 fixThis release focuses on a specific functional fix related to command availability. Users will find that the /fast command is now immediately accessible after enabling the /extra-usage setting.
v2.1.361 featureThis release introduces the availability of Fast mode for the Opus 4.6 model, allowing users to leverage quicker processing capabilities. More details on this new mode can be found in the linked documentation.
v2.1.342 fixesThis release focuses on stability and security fixes. Key updates include resolving a crash related to agent team settings changes and patching a security bypass related to sandboxing exclusions and Bash permission rules.
v2.1.335 features8 fixes3 improvementsThis release introduces significant enhancements for multi-agent workflows, including persistent memory support via new frontmatter fields and better control over sub-agent spawning. Key bug fixes address issues with tmux sessions, API streaming errors, and proxy configuration reliability. VSCode users benefit from new session management features, including remote session browsing and improved session picker visibility.
v2.1.324 features4 fixes3 improvementsThis release introduces the research preview agent teams feature for multi-agent collaboration and enables Claude to automatically record and recall memories. Users can now also summarize partial conversations using the new "Summarize from here" option. Several bugs related to file completion, Bash tool execution with template literals, and Thai/Lao character rendering have also been resolved.
v2.1.312 features4 fixes4 improvementsThis release focuses on stability and clarity, fixing critical bugs related to large file handling, configuration errors, and API parameter overrides. Users will benefit from clearer error messages, reduced UI jitter during streaming, and improved model guidance toward using dedicated tools.
v2.1.308 features9 fixes3 improvementsThis release introduces significant enhancements to the Read tool, allowing specific page ranges for PDFs and returning lightweight references for very large documents. Key fixes address issues with phantom content in API history and session corruption hangs. Additionally, new debugging tools and improved memory management for session resumption enhance overall stability and usability.
v2.1.291 fixThis release focuses on stability and performance improvements. The primary change addresses slow startup times experienced when resuming sessions that utilize saved hook context.
v2.1.209 features12 fixes8 improvementsThis release introduces several new quality-of-life features, including PR review status indicators in the prompt footer and improved vim navigation. Numerous bugs related to agent responsiveness, rendering artifacts for wide characters, and history navigation have been resolved. Additionally, the UI has been refined with better status animations and improved configuration management for tool permissions and config backups.
v2.1.194 features8 fixes2 improvementsThis release introduces new shorthand argument accessors (`$0`, `$1`) for custom commands and enables session forking/rewind in VSCode for all users. Several critical bugs were resolved, including crashes on older processors and issues with session resumption across different directories.
v2.1.171 fixThis release focuses on stability and compatibility by addressing a critical issue. The primary change is a fix that prevents crashes on older processors lacking AVX instruction support.
v2.1.163 features4 fixesThis release introduces a significant new task management system featuring dependency tracking and enhances IDE integration with native plugin management in VSCode. Key fixes address stability issues, including out-of-memory crashes during session resume, and corrects display logic for context warnings and session titles.
v2.1.151 feature2 fixes1 improvementThis release focuses on improving stability and performance by fixing UI freezing issues related to the MCP stdio server and context warnings. It also introduces a deprecation notice for npm installations, guiding users toward the recommended installation method.
v2.1.144 features11 fixes1 improvementThis release introduces significant quality-of-life improvements, including history-based autocomplete for bash and search functionality for installed plugins. Several critical bugs were resolved, notably fixing an overly aggressive context window blocking limit and addressing memory leaks in long-running sessions.
v2.1.12v2.1.111 fixThis release focuses on stability by addressing an issue related to connection requests. Specifically, excessive MCP connection requests when using HTTP/SSE transports have been resolved.
v2.1.96 features3 fixesThis release introduces several new configuration and integration capabilities, including customizable plan storage and enhanced session context access via new string substitutions. Several critical bugs were resolved, specifically addressing failures in long parallel tool call sessions and improving terminal suspend functionality across various terminal emulators.
v2.1.72 features9 fixes5 improvementsThis release introduces new configuration options, including the ability to hide turn duration messages and an improved default behavior for managing large tool sets via MCP search auto mode. Several critical bugs were fixed, addressing security vulnerabilities, false file modification errors on Windows, and issues related to context window calculation and command execution.
v2.1.66 features12 fixes6 improvementsThis release introduces several new command-line utilities, including search for /config and date range filtering for /stats, alongside automatic skill discovery in subdirectories. Numerous bugs have been resolved, particularly concerning terminal input handling (numpad, Option+Return) and stability issues with rate limit warnings and configuration backups. The user experience is also enhanced with improved task dialogs and better context window visibility.
v2.1.51 featureThis release introduces a new environment variable, CLAUDE_CODE_TMPDIR, which allows users to specify a custom temporary directory for internal processing files. This is particularly useful for environments with specific temporary storage requirements.
v2.1.41 feature1 fixThis release introduces a new environment variable, CLAUDE_CODE_DISABLE_BACKGROUND_TASKS, giving users granular control to disable background tasks entirely. Additionally, a critical bug affecting the "Help improve Claude" setting fetch due to stale OAuth tokens has been resolved.
v2.1.32 features6 fixes5 improvementsThis release simplifies the user experience by merging slash commands and skills and introduces a new configuration option to select the release channel ('stable' or 'latest'). Several critical bugs were fixed, including issues with plan file persistence after clearing conversations and incorrect model usage in sub-agents. Additionally, VS Code users gain more control over permission saving destinations.
v2.1.26 features8 fixes8 improvementsThis release introduces several new capabilities, including source path metadata for dragged images and support for winget installations. Key fixes address a command injection vulnerability and memory leaks during long sessions. Additionally, large tool outputs are now saved to disk instead of being truncated, ensuring Claude has access to the full content.
v2.1.1v2.0.761 fixThis release addresses a specific technical issue related to code signing on macOS when using the Claude integration within the Chrome browser. Users should no longer encounter the code-sign warning.
v2.0.744 features5 fixes3 improvementsThis release introduces significant code intelligence capabilities with the addition of LSP support for features like go-to-definition and hover documentation. Several key bugs have been resolved, including fixes for tool invocation permissions and stability issues related to syntax highlighting initialization. Users will also benefit from improved context command visualization and expanded terminal setup options.
v2.0.735 features1 fix3 improvementsThis release introduces several new quality-of-life features, including clickable image links and enhanced kill ring cycling. Users will also benefit from improved search experiences across various screens and better visual feedback via new tab icon badges in VS Code. A critical bug related to input history overwriting text has also been resolved.