Releases · Claude
Claude Code release notes — page 11
Stable releases of Claude Code from the anthropics/claude-code GitHub repository, newest first. Each entry summarises the main changes and links to the full official notes; every version also has its own page. This page covers versions 2.1.23 to 2.1.50.
Latest Claude Code version
Released · Official notes on GitHub
Short summaries here; each version has its own page with a summary of the changes and a link to the official release notes. New entries appear after a successful sync.
Claude Code 2.1.50
Added support for startupTimeout configuration for LSP servers · Added WorktreeCreate and WorktreeRemove hook events, enabling custom VCS setup and teardown when agent worktree…
Official notes on GitHubClaude Code 2.1.49
Fixed Ctrl+C and ESC being silently ignored when background agents are running and the main thread is idle. Pressing twice within 3 seconds now…
Official notes on GitHubClaude Code 2.1.47
Fixed FileWriteTool line counting to preserve intentional trailing blank lines instead of stripping them with trimEnd(). · Fixed Windows terminal rendering bugs caused by…
Official notes on GitHubClaude Code 2.1.45
Added support for Claude Sonnet 4.6 · Added support for reading enabledPlugins and extraKnownMarketplaces from --add-dir directories · Added spinnerTipsOverride setting to customize spinner…
Official notes on GitHubClaude Code 2.1.44
Fixed auth refresh errors
Official notes on GitHubClaude Code 2.1.42
Fixed /resume showing interrupt messages as session titles · Fixed Opus 4.6 launch announcement showing for Bedrock/Vertex/Foundry users · Improved error message for many-image…
Official notes on GitHubClaude Code 2.1.41
Fixed AWS auth refresh hanging indefinitely by adding a 3-minute timeout · Added claude auth login, claude auth status, and claude auth logout CLI…
Official notes on GitHubClaude Code 2.1.39
Improved terminal rendering performance · Fixed fatal errors being swallowed instead of displayed · Fixed process hanging after session close · Fixed character loss…
Official notes on GitHubClaude Code 2.1.38
Fixed VS Code terminal scroll-to-top regression introduced in 2.1.37 · Fixed Tab key queueing slash commands instead of autocompleting · Fixed bash permission matching…
Official notes on GitHubClaude Code 2.1.37
Fixed an issue where /fast was not immediately available after enabling /extra-usage
Official notes on GitHubClaude Code 2.1.36
Fast mode is now available for Opus 4.6. Learn more at
Official notes on GitHubClaude Code 2.1.34
Fixed a crash when agent teams setting changed between renders · Fixed a bug where commands excluded from sandboxing (via sandbox.excludedCommands or dangerouslyDisableSandbox) could…
Official notes on GitHubClaude Code 2.1.33
Fixed agent teammate sessions in tmux to send and receive messages · Fixed warnings about agent teams not being available on your current plan…
Official notes on GitHubClaude Code 2.1.32
Claude Opus 4.6 is now available! · Added research preview agent teams feature for multi-agent collaboration (token-intensive feature, requires setting CLAUDE_CODE_EXPERIMENTAL_AGENT_TEAMS=1) · Claude now…
Official notes on GitHubClaude Code 2.1.31
Added session resume hint on exit, showing how to continue your conversation later · Added support for full-width (zenkaku) space input from Japanese IME…
Official notes on GitHubClaude Code 2.1.30
Added pages parameter to the Read tool for PDFs, allowing specific page ranges to be read (e.g., pages: "1-5"). Large PDFs (>10 pages) now…
Official notes on GitHubClaude Code 2.1.29
Fixed startup performance issues when resuming sessions that have saved_hook_context
Official notes on GitHubClaude Code 2.1.27
Added tool call failures and denials to debug logs · Fixed context management validation error for gateway users, ensuring CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS=1 avoids the error ·…
Official notes on GitHubClaude Code 2.1.25
Fixed beta header validation error for gateway users on Bedrock and Vertex, ensuring CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS=1 avoids the error
Official notes on GitHubClaude Code 2.1.23
Added customizable spinner verbs setting (spinnerVerbs) · Fixed mTLS and proxy connectivity for users behind corporate proxies or using client certificates · Fixed per-user…
Official notes on GitHubAlso tracked: Claude news · Claude resets · Blog