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Claude Code Changelog

@ClaudeCodeLog

Feb 4

Claude Code 2.1.31 is out.

11 CLI, 2 flag, and 1 prompt changes.

Details in thread ↓

Claude Code CLI 2.1.31 changelog:

• Added session resume hint on exit, showing how to continue your conversation later
• Added support for full-width (zenkaku) space input from Japanese IME in checkbox selection
• Fixed PDF too large errors permanently locking up sessions, requiring users to start a new conversation
• Fixed bash commands incorrectly reporting failure with "Read-only file system" errors when sandbox mode was enabled
• Fixed a crash that made sessions unusable after entering plan mode when project config in `~/.claude.json` was missing default fields
• Fixed `temperatureOverride` being silently ignored in the streaming API path, causing all streaming requests to use the default temperature (1) regardless of the configured override
• Fixed LSP shutdown/exit compatibility with strict language servers that reject null params
• Improved system prompts to more clearly guide the model toward using dedicated tools (Read, Edit, Glob, Grep) instead of bash equivalents (`cat`, `sed`, `grep`, `find`), reducing unnecessary bash command usage
• Improved PDF and request size error messages to show actual limits (100 pages, 20MB)
• Reduced layout jitter in the terminal when the spinner appears and disappears during streaming
• Removed misleading Anthropic API pricing from model selector for third-party provider (Bedrock, Vertex, Foundry) users

Source: github.com/anthropics/cla…

Claude Code 2.1.31 flag changes:

Added:
• tengu_oboe
• tengu_tst_names_in_messages

Diff: github.com/marckrenn/clau…

Read 5 tweets

Claude Code Changelog

@ClaudeCodeLog

Jan 21

Claude Code 2.1.14 is out.

16 CLI, 5 flag, and 4 prompt changes.

Details in thread ↓

Claude Code CLI 2.1.14 changelog:

• 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
• Fixed iTerm2 progress bar not clearing properly on exit, preventing lingering indicators and bell sounds
• Improved backspace to delete pasted text as a single token instead of one character at a time
• [VSCode] Added `/usage` command to display current plan usage

Source: github.com/anthropics/cla…

Claude Code 2.1.14 flag changes:

Added:
• tengu_keybinding_customization

Removed:
• sonnet_1m_default
• sonnet_45_1m_header
• tengu_prompt_suggestion
• tengu_teams_usage_limit_notifications

Diff: github.com/marckrenn/clau…

Read 8 tweets

Claude Code Changelog

@ClaudeCodeLog

Jan 7

Chat, we are so back 🚀🚀🚀 for real this time lol

Anthropic just released

Claude Code 2.1.1

109 CLI, 11 flag, and 10 prompt changes, details below.

Claude Code CLI 2.1.0 changelog:

• Added automatic skill hot-reload - skills created or modified in `~/.claude/skills` or `.claude/skills` are now immediately available without restarting the session
• Added support for running skills and slash commands in a forked sub-agent context using `context: fork` in skill frontmatter
• Added support for `agent` field in skills to specify agent type for execution
• Added `language` setting to configure Claude's response language (e.g., language: "japanese")
• Changed Shift+Enter to work out of the box in iTerm2, WezTerm, Ghostty, and Kitty without modifying terminal configs
• Added `respectGitignore` support in `settings.json` for per-project control over @-mention file picker behavior
• Added `CLAUDE_CODE_HIDE_ACCOUNT_INFO` environment variable to hide email and organization from the UI, useful for streaming or recording sessions
• Fixed security issue where sensitive data (OAuth tokens, API keys, passwords) could be exposed in debug logs
• Fixed files and skills not being properly discovered when resuming sessions with `-c` or `--resume`
• Fixed pasted content being lost when replaying prompts from history using up arrow or Ctrl+R search
• Fixed Esc key with queued prompts to only move them to input without canceling the running task
• Reduced permission prompts for complex bash commands
• Fixed command search to prioritize exact and prefix matches on command names over fuzzy matches in descriptions
• Fixed PreToolUse hooks to allow `updatedInput` when returning `ask` permission decision, enabling hooks to act as middleware while still requesting user consent
• Fixed plugin path resolution for file-based marketplace sources
• Fixed LSP tool being incorrectly enabled when no LSP servers were configured
• Fixed background tasks failing with "git repository not found" error for repositories with dots in their names
• Fixed Claude in Chrome support for WSL environments
• Fixed Windows native installer silently failing when executable creation fails
• Improved CLI help output to display options and subcommands in alphabetical order for easier navigation
• Added wildcard pattern matching for Bash tool permissions using `*` at any position in rules (e.g., `Bash(npm *)`, `Bash(* install)`, `Bash(git * main)`)
• Added unified Ctrl+B backgrounding for both bash commands and agents - pressing Ctrl+B now backgrounds all running foreground tasks simultaneously
• Added support for MCP `list_changed` notifications, allowing MCP servers to dynamically update their available tools, prompts, and resources without requiring reconnection
• Added `/teleport` and `/remote-env` slash commands for claude.ai subscribers, allowing them to resume and configure remote sessions
• Added support for disabling specific agents using `Task(AgentName)` syntax in settings.json permissions or the `--disallowedTools` CLI flag
• Added hooks support to agent frontmatter, allowing agents to define PreToolUse, PostToolUse, and Stop hooks scoped to the agent's lifecycle
• Added hooks support for skill and slash command frontmatter
• Added new Vim motions: `;` and `,` to repeat f/F/t/T motions, `y` operator for yank with `yy`/`Y`, `p`/`P` for paste, text objects (`iw`, `aw`, `iW`, `aW`, `i"`, `a"`, `i'`, `a'`, `i(`, `a(`, `i[`, `a[`, `i{`, `a{`), `>>` and `<<` for indent/dedent, and `J` to join lines
• Added `/plan` command shortcut to enable plan mode directly from the prompt
• Added slash command autocomplete support when `/` appears anywhere in input, not just at the beginning
• Added `--tools` flag support in interactive mode to restrict which built-in tools Claude can use during interactive sessions
• Added `CLAUDE_CODE_FILE_READ_MAX_OUTPUT_TOKENS` environment variable to override the default file read token limit
• Added support for `once: true` config for hooks
• Added support for YAML-style lists in frontmatter `allowed-tools` field for cleaner skill declarations
• Added support for prompt and agent hook types from plugins (previously only command hooks were supported)
• Added Cmd+V support for image paste in iTerm2 (maps to Ctrl+V)
• Added left/right arrow key navigation for cycling through tabs in dialogs
• Added real-time thinking block display in Ctrl+O transcript mode
• Added filepath to full output in background bash task details dialog
• Added Skills as a separate category in the context visualization
• Fixed OAuth token refresh not triggering when server reports token expired but local expiration check disagrees
• Fixed session persistence getting stuck after transient server errors by recovering from 409 conflicts when the entry was actually stored
• Fixed session resume failures caused by orphaned tool results during concurrent tool execution
• Fixed a race condition where stale OAuth tokens could be read from the keychain cache during concurrent token refresh attempts
• Fixed AWS Bedrock subagents not inheriting EU/APAC cross-region inference model configuration, causing 403 errors when IAM permissions are scoped to specific regions
• Fixed API context overflow when background tasks produce large output by truncating to 30K chars with file path reference
• Fixed a hang when reading FIFO files by skipping symlink resolution for special file types
• Fixed terminal keyboard mode not being reset on exit in Ghostty, iTerm2, Kitty, and WezTerm
• Fixed Alt+B and Alt+F (word navigation) not working in iTerm2, Ghostty, Kitty, and WezTerm
• Fixed `${CLAUDE_PLUGIN_ROOT}` not being substituted in plugin `allowed-tools` frontmatter, which caused tools to incorrectly require approval
• Fixed files created by the Write tool using hardcoded 0o600 permissions instead of respecting the system umask
• Fixed commands with `$()` command substitution failing with parse errors
• Fixed multi-line bash commands with backslash continuations being incorrectly split and flagged for permissions
• Fixed bash command prefix extraction to correctly identify subcommands after global options (e.g., `git -C /path log` now correctly matches `Bash(git log:*)` rules)
• Fixed slash commands passed as CLI arguments (e.g., `claude /context`) not being executed properly
• Fixed pressing Enter after Tab-completing a slash command selecting a different command instead of submitting the completed one
• Fixed slash command argument hint flickering and inconsistent display when typing commands with arguments
• Fixed Claude sometimes redundantly invoking the Skill tool when running slash commands directly
• Fixed skill token estimates in `/context` to accurately reflect frontmatter-only loading
• Fixed subagents sometimes not inheriting the parent's model by default
• Fixed model picker showing incorrect selection for Bedrock/Vertex users using `--model haiku`
• Fixed duplicate Bash commands appearing in permission request option labels
• Fixed noisy output when background tasks complete - now shows clean completion message instead of raw output
• Fixed background task completion notifications to appear proactively with bullet point
• Fixed forked slash commands showing "AbortError" instead of "Interrupted" message when cancelled
• Fixed cursor disappearing after dismissing permission dialogs
• Fixed `/hooks` menu selecting wrong hook type when scrolling to a different option
• Fixed images in queued prompts showing as "[object Object]" when pressing Esc to cancel
• Fixed images being silently dropped when queueing messages while backgrounding a task
• Fixed large pasted images failing with "Image was too large" error
• Fixed extra blank lines in multiline prompts containing CJK characters (Japanese, Chinese, Korean)
• Fixed ultrathink keyword highlighting being applied to wrong characters when user prompt text wraps to multiple lines
• Fixed collapsed "Reading X files…" indicator incorrectly switching to past tense when thinking blocks appear mid-stream
• Fixed Bash read commands (like `ls` and `cat`) not being counted in collapsed read/search groups, causing groups to incorrectly show "Read 0 files"
• Fixed spinner token counter to properly accumulate tokens from subagents during execution
• Fixed memory leak in git diff parsing where sliced strings retained large parent strings
• Fixed race condition where LSP tool could return "no server available" during startup
• Fixed feedback submission hanging indefinitely when network requests timeout
• Fixed search mode in plugin discovery and log selector views exiting when pressing up arrow
• Fixed hook success message showing trailing colon when hook has no output
• Multiple optimizations to improve startup performance
• Improved terminal rendering performance when using native installer or Bun, especially for text with emoji, ANSI codes, and Unicode characters
• Improved performance when reading Jupyter notebooks with many cells
• Improved reliability for piped input like `cat refactor.md | claude`
• Improved reliability for AskQuestion tool
• Improved sed in-place edit commands to render as file edits with diff preview
• Improved Claude to automatically continue when response is cut off due to output token limit, instead of showing an error message
• Improved compaction reliability
• Improved subagents (Task tool) to continue working after permission denial, allowing them to try alternative approaches
• Improved skills to show progress while executing, displaying tool uses as they happen
• Improved skills from `/skills/` directories to be visible in the slash command menu by default (opt-out with `user-invocable: false` in frontmatter)
• Improved skill suggestions to prioritize recently and frequently used skills
• Improved spinner feedback when waiting for the first response token
• Improved token count display in spinner to include tokens from background agents
• Improved incremental output for async agents to give the main thread more control and visibility
• Improved permission prompt UX with Tab hint moved to footer, cleaner Yes/No input labels with contextual placeholders
• Improved the Claude in Chrome notification with shortened help text and persistent display until dismissed
• Improved macOS screenshot paste reliability with TIFF format support
• Improved `/stats` output
• Updated Atlassian MCP integration to use a more reliable default configuration (streamable HTTP)
• Changed "Interrupted" message color from red to grey for a less alarming appearance
• Removed permission prompt when entering plan mode - users can now enter plan mode without approval
• Removed underline styling from image reference links
• [SDK] Changed minimum zod peer dependency to ^4.0.0
• [VSCode] Added currently selected model name to the context menu
• [VSCode] Added descriptive labels on auto-accept permission button (e.g., "Yes, allow npm for this project" instead of "Yes, and don't ask again")
• [VSCode] Fixed paragraph breaks not rendering in markdown content
• [VSCode] Fixed scrolling in the extension inadvertently scrolling the parent iframe
• [Windows] Fixed issue with improper rendering

Source: github.com/anthropics/cla…

Claude Code 2.1.1 flag changes:

Added:
• tengu_tool_search_unsupported_models
• tengu_vscode_onboarding
• tengu_vscode_review_upsell

Removed:
• doorbell_bottle
• tengu_bash_command_backgrounded
• tengu_bash_command_timeout_backgrounded
• tengu_compact_mc_files
• tengu_effort_exp
• tengu_feedback_survey_config
• tengu_gha_plugin_code_review
• tengu_spinner_words

Diff: github.com/marckrenn/clau…

Read 15 tweets

Claude Code Changelog

@ClaudeCodeLog

Dec 19, 2025

Anthropic just released

Claude Code 2.0.74

13 CLI and 3 prompt changes, details below.

Claude Code CLI 2.0.74 changelog:

• Added LSP (Language Server Protocol) tool for code intelligence features like go-to-definition, find references, and hover documentation
• Added `/terminal-setup` support for Kitty, Alacritty, Zed, and Warp terminals
• Added ctrl+t shortcut in `/theme` to toggle syntax highlighting on/off
• Added syntax highlighting info to theme picker
• Added guidance for macOS users when Alt shortcuts fail due to terminal configuration
• Fixed skill `allowed-tools` not being applied to tools invoked by the skill
• Fixed Opus 4.5 tip incorrectly showing when user was already using Opus
• Fixed a potential crash when syntax highlighting isn't initialized correctly
• Fixed visual bug in `/plugins discover` where list selection indicator showed while search box was focused
• Fixed macOS keyboard shortcuts to display 'opt' instead of 'alt'
• Improved `/context` command visualization with grouped skills and agents by source, slash commands, and sorted token count
• [Windows] Fixed issue with improper rendering
• [VSCode] Added gift tag pictogram for year-end promotion message

Source: github.com/anthropics/cla…

Claude Code 2.0.74 prompt changes:

Full diff:

• Pre-commit hook failure rule simplified: fix + new commit
• ExitPlanMode no longer documents swarm launch params
• New LSP tool added for code intelligence queries

Full details below.github.com/marckrenn/cc-m…

Read 6 tweets

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