Anthropic Release Notes

• Added customizable spinner verbs setting (spinnerVerbs)
• Fixed mTLS and proxy connectivity for users behind corporate proxies or using client certificates
• Fixed per-user temp directory isolation to prevent permission conflicts on shared systems
• Fixed a race condition that could cause 400 errors when prompt caching scope was enabled
• Fixed pending async hooks not being cancelled when headless streaming sessions ended
• Fixed tab completion not updating the input field when accepting a suggestion
• Fixed ripgrep search timeouts silently returning empty results instead of reporting errors
• Improved terminal rendering performance with optimized screen data layout
• Changed Bash commands to show timeout duration alongside elapsed time
• Changed merged pull requests to show a purple status indicator in the prompt footer
• [IDE] Fixed model options displaying incorrect region strings for Bedrock users in headless mode

• Added support for full-width (zenkaku) number input from Japanese IME in option selection prompts
• Fixed shell completion cache files being truncated on exit
• Fixed API errors when resuming sessions that were interrupted during tool execution
• Fixed auto-compact triggering too early on models with large output token limits
• Fixed task IDs potentially being reused after deletion
• Fixed file search not working in VS Code extension on Windows
• Improved read/search progress indicators to show "Reading…" while in progress and "Read" when complete
• Improved Claude to prefer file operation tools (Read, Edit, Write) over bash equivalents (cat, sed, awk)
• [VSCode] Added automatic Python virtual environment activation, ensuring python and pip commands use the correct interpreter (configurable via claudeCode.usePythonEnvironment setting)
• [VSCode] Fixed message action buttons having incorrect background colors

• Added arrow key history navigation in vim normal mode when cursor cannot move further
• Added external editor shortcut (Ctrl+G) to the help menu for better discoverability
• Added PR review status indicator to the prompt footer, showing the current branch's PR state (approved, changes requested, pending, or draft) as a colored dot with a clickable link
• Added support for loading CLAUDE.md files from additional directories specified via --add-dir flag (requires setting CLAUDE_CODE_ADDITIONAL_DIRECTORIES_CLAUDE_MD=1)
• Added ability to delete tasks via the TaskUpdate tool
• Fixed session compaction issues that could cause resume to load full history instead of the compact summary
• Fixed agents sometimes ignoring user messages sent while actively working on a task
• Fixed wide character (emoji, CJK) rendering artifacts where trailing columns were not cleared when replaced by narrower characters
• Fixed JSON parsing errors when MCP tool responses contain special Unicode characters
• Fixed up/down arrow keys in multi-line and wrapped text input to prioritize cursor movement over history navigation
• Fixed draft prompt being lost when pressing UP arrow to navigate command history
• Fixed ghost text flickering when typing slash commands mid-input
• Fixed marketplace source removal not properly deleting settings
• Fixed duplicate output in some commands like /context
• Fixed task list sometimes showing outside the main conversation view …

• Added env var CLAUDE_CODE_ENABLE_TASKS, set to false to keep the old system temporarily
• Added shorthand $0, $1, etc. for accessing individual arguments in custom commands
• Fixed crashes on processors without AVX instruction support
• Fixed dangling Claude Code processes when terminal is closed by catching EIO errors from process.exit() and using SIGKILL as fallback
• Fixed /rename and /tag not updating the correct session when resuming from a different directory (e.g., git worktrees)
• Fixed resuming sessions by custom title not working when run from a different directory
• Fixed pasted text content being lost when using prompt stash (Ctrl+S) and restore
• Fixed agent list displaying "Sonnet (default)" instead of "Inherit (default)" for agents without an explicit model setting
• Fixed backgrounded hook commands not returning early, potentially causing the session to wait on a process that was intentionally backgrounded
• Fixed file write preview omitting empty lines
• Changed skills without additional permissions or hooks to be allowed without requiring approval
• Changed indexed argument syntax from $ARGUMENTS.0 to $ARGUMENTS[0] (bracket syntax)
• [SDK] Added replay of queued_command attachment messages as SDKUserMessageReplay events when replayUserMessages is enabled
• [VSCode] Enabled session forking and rewind functionality for all users

• Added new task management system, including new capabilities like dependency tracking
• [VSCode] Added native plugin management support
• [VSCode] Added ability for OAuth users to browse and resume remote Claude sessions from the Sessions dialog
• Fixed out-of-memory crashes when resuming sessions with heavy subagent usage
• Fixed an issue where the "context remaining" warning was not hidden after running /compact
• Fixed session titles on the resume screen not respecting the user's language setting
• [IDE] Fixed a race condition on Windows where the Claude Code sidebar view container would not appear on start

• Added history-based autocomplete in bash mode (!) - type a partial command and press Tab to complete from your bash command history
• Added search to installed plugins list - type to filter by name or description
• Added support for pinning plugins to specific git commit SHAs, allowing marketplace entries to install exact versions
• Fixed a regression where the context window blocking limit was calculated too aggressively, blocking users at ~65% context usage instead of the intended ~98%
• Fixed memory issues that could cause crashes when running parallel subagents
• Fixed memory leak in long-running sessions where stream resources were not cleaned up after shell commands completed
• Fixed @ symbol incorrectly triggering file autocomplete suggestions in bash mode
• Fixed @-mention menu folder click behavior to navigate into directories instead of selecting them
• Fixed /feedback command generating invalid GitHub issue URLs when description is very long
• Fixed /context command to show the same token count and percentage as the status line in verbose mode
• Fixed an issue where /config, /context, /model, and /todos command overlays could close unexpectedly
• Fixed slash command autocomplete selecting wrong command when typing similar commands (e.g., /context vs /compact)
• Fixed inconsistent back navigation in plugin marketplace when only one marketplace is configured …

• Added auto:N syntax for configuring the MCP tool search auto-enable threshold, where N is the context window percentage (0-100)
• Added plansDirectory setting to customize where plan files are stored
• Added external editor support (Ctrl+G) in AskUserQuestion "Other" input field
• Added session URL attribution to commits and PRs created from web sessions
• Added support for PreToolUse hooks to return additionalContext to the model
• Added ${CLAUDE_SESSION_ID} string substitution for skills to access the current session ID
• Fixed long sessions with parallel tool calls failing with an API error about orphan tool_result blocks
• Fixed MCP server reconnection hanging when cached connection promise never resolves
• Fixed Ctrl+Z suspend not working in terminals using Kitty keyboard protocol (Ghostty, iTerm2, kitty, WezTerm)

Cowork research preview expanded to Pro plans

Cowork is now available to Pro plan users on Claude Desktop (macOS only).

Claude Code access added to Team plan Standard seats

We’re now including Claude Code access with every Team plan standard seat. Refer to this article for more information: Purchasing and managing seats on Team plans.

Opus 4 and 4.1 deprecated from Claude and Claude Code

We’ve removed Claude Opus 4 and 4.1 from the Claude model selector and Claude Code. Refer to this article for further details and recommendations: Adapting to new model personas after deprecations.

• Added showTurnDuration setting to hide turn duration messages (e.g., "Cooked for 1m 6s")
• Added ability to provide feedback when accepting permission prompts
• Added inline display of agent's final response in task notifications, making it easier to see results without reading the full transcript file
• Fixed security vulnerability where wildcard permission rules could match compound commands containing shell operators
• Fixed false "file modified" errors on Windows when cloud sync tools, antivirus scanners, or Git touch file timestamps without changing content
• Fixed orphaned tool_result errors when sibling tools fail during streaming execution
• Fixed context window blocking limit being calculated using the full context window instead of the effective context window (which reserves space for max output tokens)
• Fixed spinner briefly flashing when running local slash commands like /model or /theme
• Fixed terminal title animation jitter by using fixed-width braille characters
• Fixed plugins with git submodules not being fully initialized when installed
• Fixed bash commands failing on Windows when temp directory paths contained characters like t or n that were misinterpreted as escape sequences
• Improved typing responsiveness by reducing memory allocation overhead in terminal rendering …

• Added search functionality to /config command for quickly filtering settings
• Added Updates section to /doctor showing auto-update channel and available npm versions (stable/latest)
• Added date range filtering to /stats command - press r to cycle between Last 7 days, Last 30 days, and All time
• Added automatic discovery of skills from nested .claude/skills directories when working with files in subdirectories
• Added context_window.used_percentage and context_window.remaining_percentage fields to status line input for easier context window display
• Added an error display when the editor fails during Ctrl+G
• Fixed permission bypass via shell line continuation that could allow blocked commands to execute
• Fixed false "File has been unexpectedly modified" errors when file watchers touch files without changing content
• Fixed text styling (bold, colors) getting progressively misaligned in multi-line responses
• Fixed the feedback panel closing unexpectedly when typing 'n' in the description field
• Fixed rate limit warning appearing at low usage after weekly reset (now requires 70% usage)
• Fixed rate limit options menu incorrectly auto-opening when resuming a previous session
• Fixed numpad keys outputting escape sequences instead of characters in Kitty keyboard protocol terminals
• Fixed Option+Return not inserting newlines in Kitty keyboard protocol terminals …

Cowork research preview on Claude Desktop (macOS only) for Max plans

Cowork brings Claude Code's agentic capabilities to the Claude desktop app for knowledge work beyond coding. It runs locally on your computer in an isolated VM, enabling direct access to local files and MCP integrations.

Refer to this article to learn more: Getting started with Cowork.

Health and fitness data on Claude Mobile

Claude can now read and analyze your health and fitness data on iOS and Android. Ask Claude about your activity patterns, workout trends, sleep quality, and more—Claude will provide insights and visualizations using native charts.

Health features are available on Pro and Max plans and currently limited to users in the US. On Android, Health Connect and Android 14 or later are required.

See the following articles for more information:

• Using Claude with iOS Apps

• Using Claude with Android Apps

HIPAA-ready Enterprise plans

We now offer a HIPAA-ready version of Claude that is available for organizations with Enterprise plans that choose to process protected health information (PHI) through Claude. …