Claude Code Changelog & Release Notes
As of September 22, 2026, the latest Claude Code release is v2.1.280. Havoptic tracks all 396 Claude Code releases with dated, AI-summarized changelog notes, updated daily.
Track Claude Code releases, features, and updates. Compare with other AI coding tools.
Releases
- v2.1.280 (September 22, 2026) - Claude Code 2.1.280 brings Claude Opus 5.5 as your new default model with a massive 1M context window and faster processing, plus improved mouse contr
- v2.1.278 (September 19, 2026) - Claude Code 2.1.278 now runs auto mode more efficiently by defaulting to server-side processing, which means no extra charges for most users. We've al
- v2.1.277 (September 18, 2026) - Claude Code 2.1.277 now reads AGENTS.md as project instructions when CLAUDE.md isn't present, making it easier to configure your setup. We've also imp
- v2.1.276 (September 18, 2026) - Claude Code 2.1.276 fixes a critical issue that was causing all requests to fail when using proxy or gateway setups. We've resolved the input tag erro
- v2.1.275 (September 17, 2026) - Claude Code 2.1.275 streamlines authentication with account confirmation before saving credentials and adds a quick send-now key to interrupt and disp
- v2.1.274 (September 16, 2026) - Claude Code 2.1.274 now alerts you when memory is running critically low with clear steps to free up space or safely restart. We've also fixed a frust
- v2.1.273 (September 15, 2026) - Claude Code 2.1.273 now automatically reconnects when MCP servers disconnect and notifies you if it can't recover, plus you can fork remote-control se
- v2.1.272 (September 14, 2026) - - Bug fixes and reliability improvements
- v2.1.271 (September 14, 2026) - Claude Code 2.1.271 brings faster remote coding sessions with a new fast mode that lets you speed up your work in cloud and self-hosted environments.
- v2.1.270 (September 12, 2026) - Claude Code 2.1.270 fixes an annoying bug where git commands would unexpectedly ask for permission during long sessions. We've also made several under
- v2.1.269 (September 11, 2026) - Claude Code 2.1.269 now lets you evaluate plugins with reproducible, scored results and gives you more control over how output appears across differen
- v2.1.268 (September 10, 2026) - Claude Code 2.1.268 brings unified pricing across your Claude apps gateway with automatic rate matching, plus new security safeguards that warn you ab
- v2.1.267 (September 9, 2026) - Claude Code 2.1.267 gives you new control over resource usage with effort level limits across all providers, plus better ways to fine-tune your prompt
- v2.1.266 (September 8, 2026) - Claude Code 2.1.266 resolves a critical authentication issue that broke proxy and gateway setups in the previous version. We've restored the proper be
- v2.1.265 (September 8, 2026) - Claude Code 2.1.265 now lets you point to entire plugin folders that automatically load child plugins and pick up changes in real-time, plus adds smar
- v2.1.263 (September 6, 2026) - - Bug fixes and reliability improvements
- v2.1.261 (September 4, 2026) - - Added an "Organi
- v2.1.260 (September 3, 2026) - Claude Code 2.1.260 now shows your uncommitted changes in a side-by-side diff panel, making it easier to review edits as they happen. We've also impro
- v2.1.259 (September 2, 2026) - - Added managedMcpServers managed setting: organi
- v2.1.258 (September 1, 2026) - Claude Code 2.1.258 fixes critical issues that were preventing the app from launching on older Mac systems and resolving remote session failures. Thes
- v2.1.257 (September 1, 2026) - Claude Code 2.1.257 now includes Claude Fable 5.1 as the default model with expanded context and improved pricing, plus new customizable time format s
- v2.1.252 (August 31, 2026) - Claude Code 2.1.252 fixes critical issues that were causing commands to fail on some Macs and Remote Control sessions to stall unexpectedly. We've als
- v2.1.251 (August 28, 2026) - Claude Code 2.1.251 now lets you control when models switch with new hook events and shows live tool execution from subagents to Remote Control client
- v2.1.250 (August 27, 2026) - - Bug fixes and reliability improvements
- v2.1.248 (August 27, 2026) - Claude Code 2.1.248 now lets you run code safely with a restricted mode that blocks risky operations, while a new cache setting helps agents work fast
- v2.1.247 (August 26, 2026) - Claude Code 2.1.247 now lets Claude automatically draft feedback reports when issues occur, making it easier to report problems directly from the app.
- v2.1.246 (August 25, 2026) - Claude Code 2.1.246 now shows you exactly when each turn completes and gives clearer warnings about overly broad permission rules that could cause uni
- v2.1.245 (August 25, 2026) - Claude Code 2.1.245 fixes a critical startup crash affecting Linux users on the latest glibc versions, ensuring the tool runs smoothly on Arch Linux,
- v2.1.243 (August 24, 2026) - Claude Code 2.1.243 now gives you detailed visibility into your loops with a new breakdown showing exactly which tasks are consuming the most tokens,
- v2.1.241 (August 22, 2026) - - Bug fixes and reliability improvements
- v2.1.240 (August 22, 2026) - - Bug fixes and reliability improvements
- v2.1.239 (August 21, 2026) - Claude Code 2.1.239 now shows accurate cost estimates for data-residency workspaces and brings fullscreen mode to more cloud platforms. We've also fix
- v2.1.238 (August 20, 2026) - Claude Code 2.1.238 now lets you customize keyboard shortcuts with Bash-style editing and adds smarter plugin installation with automatic security tok
- v2.1.237 (August 19, 2026) - Claude Code 2.1.237 now works reliably with custom gateways and URLs, fixing a frustrating caching issue. We've also added a Concise output style that
- v2.1.236 (August 19, 2026) - Claude Code 2.1.236 gives you more control over which model starts new sessions and adds smarter cross-session notifications so sessions can alert eac
- v2.1.235 (August 18, 2026) - Claude Code 2.1.235 now includes optional spellcheck that highlights mistakes as you type, plus major improvements to how it handles background tasks
- v2.1.234 (August 17, 2026) - Claude Code 2.1.234 now automatically continues your session when usage limits reset and includes stronger security protections against credential lea
- v2.1.233 (August 14, 2026) - Claude Code 2.1.233 now supports GitLab merge requests in the worktree view and adds memory limits to prevent runaway build commands from freezing you
- v2.1.232 (August 13, 2026) - Claude Code 2.1.232 makes it easier to work across multiple sessions—just type @ to mention another Claude session by name and collaborate seamlessly.
- v2.1.231 (August 13, 2026) - Claude Code 2.1.231 fixes a critical OAuth sign-in issue that was blocking connections to services like Slack. Your integrations should now connect sm
- v2.1.229 (August 12, 2026) - Claude Code 2.1.229 now keeps you connected during long thinking pauses and lets you resume sessions seamlessly with improved remote-control support.
- v2.1.228 (August 11, 2026) - Claude Code 2.1.228 fixes critical issues where interactive sessions could freeze visually while still running in the background, and resolves a Windo
- v2.1.227 (August 10, 2026) - Claude Code 2.1.227 fixes critical issues with subscription verification and Bash command execution, while making the slash-command menu easier to nav
- v2.1.226 (August 8, 2026) - - Bug fixes and reliability improvements
- v2.1.225 (August 7, 2026) - Claude Code 2.1.225 now enforces gateway spending limits with clear notifications showing your cap and reset time, plus fixes critical authentication
- v2.1.224 (August 7, 2026) - Claude Code 2.1.224 now lets you run sessions on your own machines with self-hosted environments, giving teams complete control over where their code
- v2.1.223 (August 5, 2026) - Claude Code 2.1.223 strengthens security with fixes to permission checks that prevent commands from hiding themselves using tabs or invisible characte
- v2.1.222 (August 4, 2026) - Claude Code 2.1.222 strengthens security by preventing destructive commands in isolated sessions and blocking tool restriction bypasses in background
- v2.1.221 (August 3, 2026) - Claude Code 2.1.221 introduces a Focus view that declutters your chat interface by collapsing tool activity into compact summaries, keeping you focuse
- v2.1.220 (July 24, 2026) - - Bug fixes and reliability improvements
- v2.1.219 (July 24, 2026) - Claude Code 2.1.219 now includes Claude Opus 5 as the default model with faster performance and expanded context, plus stronger security controls for
- v2.1.218 (July 22, 2026) - Claude Code 2.1.218 moves code reviews to the background so they won't interrupt your workflow, and fixes critical issues like Windows paths being cor
- v2.1.217 (July 21, 2026) - Claude Code 2.1.217 now makes it easier to express yourself with emoji shortcode autocomplete in the prompt input, while improved warnings help you ca
- v2.1.216 (July 20, 2026) - Claude Code 2.1.216 now lets you control filesystem isolation independently, giving you more flexibility in how you run your code. We've also fixed a
- v2.1.215 (July 19, 2026) - Claude Code 2.1.215 puts you in control with manual skill invocation—simply use /verify or /code-review when you need them instead of having Claude ru
- v2.1.214 (July 18, 2026) - Claude Code 2.1.214 tightens security with fixes that prevent unauthorized access to nested directories and close permission loopholes in Windows Powe
- v2.1.212 (July 16, 2026) - Claude Code 2.1.212 makes it easier to manage multiple conversations with /fork creating separate background sessions while you keep working, and adds
- v2.1.211 (July 15, 2026) - Claude Code 2.1.211 now lets you capture subagent insights directly in your workflows with new forwarding options, while we've also patched some permi
- v2.1.210 (July 14, 2026) - Claude Code 2.1.210 adds a live counter to show long-running tool calls are working instead of appearing frozen, plus improved security isolation for
- v2.1.209 (July 14, 2026) - Claude Code 2.1.209 restores access to model selection and other dialogs that were accidentally blocked in background agent sessions. This fix brings
- v2.1.208 (July 13, 2026) - Claude Code 2.1.208 now includes screen reader support for better accessibility and vim insert mode remapping so you can use shortcuts like jj to esca
- v2.1.207 (July 10, 2026) - Claude Code 2.1.207 brings auto mode to more platforms without requiring special setup, letting you work faster with less manual input. We've also squ
- v2.1.206 (July 9, 2026) - Claude Code 2.1.206 makes pushing code changes faster by automatically allowing git push to your configured remote, and improves the /doctor tool to h
- v2.1.205 (July 8, 2026) - Claude Code 2.1.205 now prevents accidental changes to session files and fixes critical issues where messages could get lost or jobs could get stuck i
- v2.1.204 (July 8, 2026) - Claude Code 2.1.204 resolves a critical issue where remote workers could disconnect unexpectedly during setup, ensuring smoother initialization for he
- v2.1.203 (July 7, 2026) - Claude Code 2.1.203 now warns you before your login expires so you won't lose work in background sessions, and fixes a frustrating issue where switchi
- v2.1.202 (July 6, 2026) - - Added a "Dynamic workflow si
- v2.1.201 (July 3, 2026) - Claude Code 2.1.201 streamlines conversations by removing interruptions during your work sessions, letting you stay focused on what matters. Check the
- v2.1.200 (July 3, 2026) - Claude Code 2.1.200 gives you more control over when AI interactions continue automatically—now they pause by default unless you configure them otherw
- v2.1.199 (July 2, 2026) - Claude Code 2.1.199 now handles multiple stacked skills at once instead of just the first one, letting you combine more tools in a single command. We'
- v2.1.198 (July 1, 2026) - Claude Code 2.1.198 brings Chrome integration out of beta so you can use Claude directly in your browser, plus smarter agent notifications that alert
- v2.1.197 (June 30, 2026) - Claude Code 2.1.197 now uses Claude Sonnet 5 by default, giving you a massive 1M-token context window to work with longer files and projects. Plus, en
- v2.1.196 (June 29, 2026) - - Added support for organi
- v2.1.195 (June 26, 2026) - - Added CLAUDECODEDISABLEMOUSECLICKS to disable mouse click/drag/hover in fullscreen mode while keeping wheel scroll - Fixed hook matchers with hyphen
- v2.1.193 (June 25, 2026) - - Added autoMode.classifyAllShell setting to route all Bash/PowerShell commands through the auto-mode classifier instead of only arbitrary-code-execut
- v2.1.191 (June 24, 2026) - - Added /rewind support for resuming a conversation from before /clear was run - Fixed scroll position jumping to the bottom while reading earlier out
- v2.1.190 (June 24, 2026) - - Bug fixes and reliability improvements
- v2.1.187 (June 23, 2026) - - Added sandbox.credentials setting to block sandboxed commands from reading credential files and secret environment variables - Added org-configured
- v2.1.186 (June 22, 2026) - - Added claude mcp login <name> and claude mcp logout <name> to authenticate MCP servers from the CLI without opening the interactive /mcp menu, with
- v2.1.185 (June 20, 2026) - - The stream-stall hint now reads "Waiting for API response · will retry in …" instead of "No response from API · Retrying in …", and triggers after 2
- v2.1.183 (June 19, 2026) - - Improved auto mode safety: destructive git commands (git reset --hard, git checkout -- ., git clean -fd, git stash drop) are now blocked when you di
- v2.1.181 (June 17, 2026) - - Added /config key=value syntax to set any setting from the prompt (e.g. /config thinking=false) — works in interactive, -p, and Remote Control - Add
- v2.1.179 (June 16, 2026) - - Fixed mid-stream connection drops: partial responses are now preserved instead of showing a raw error, and the spinner no longer gets stuck at "runn
- v2.1.178 (June 15, 2026) - - Added Tool(param:value) syntax for permission rules to match a tool's input parameters (with wildcard), e.g. Agent(model:opus) to block Opus subagen
- v2.1.176 (June 12, 2026) - - Session titles are now generated in the language of your conversation (set the language setting to pin a specific language) - Added footerLinksRegex
- v2.1.175 (June 12, 2026) - - Added enforceAvailableModels managed setting — when enabled, the availableModels allowlist also constrains the Default model (a Default that would r
- v2.1.174 (June 11, 2026) - - Added wheelScrollAccelerationEnabled setting to disable mouse-wheel scroll acceleration in fullscreen mode - Fixed the /model picker hiding the mode
- v2.1.173 (June 11, 2026) - - Fixed Fable 5 model names with a [1m] suffix not being normali
- v2.1.172 (June 10, 2026) - - Sub-agents can now spawn their own sub-agents (up to 5 levels deep) - Ama
- v2.1.170 (June 9, 2026) - - Introducing Claude Fable 5: a Mythos-class model that we’ve made safe for general use. Fable’s capabilities exceed those of any model we’ve ever mad
- v2.1.169 (June 8, 2026) - - Added --safe-mode flag (and CLAUDECODESAFEMODE) to start Claude Code with all customi
- v2.1.168 (June 6, 2026) - - Bug fixes and reliability improvements
- v2.1.167 (June 6, 2026) - - Bug fixes and reliability improvements
- v2.1.166 (June 5, 2026) - - Added fallbackModel setting to configure up to three fallback models tried in order when the primary model is overloaded or unavailable; --fallback-
- v2.1.165 (June 5, 2026) - - Bug fixes and reliability improvements
- v2.1.163 (June 4, 2026) - - Added requiredMinimumVersion and requiredMaximumVersion managed settings — Claude Code refuses to start if its version is outside the allowed range
- v2.1.162 (June 3, 2026) - - claude agents --json now includes waitingFor showing what a waiting session is blocked on (e.g. permission prompt) - --tools: explicitly listing Gre
- v2.1.161 (June 2, 2026) - - OTELRESOURCEATTRIBUTES values are now included as labels on metric datapoints, so you can slice usage metrics by custom dimensions like team or repo
- v2.1.160 (June 1, 2026) - - Added a prompt before writing to shell startup files (.
- v2.1.159 (May 31, 2026) - - Internal infrastructure improvements (no user-facing changes)
296 earlier releases available — see the full timeline above.