Releases · Claude
Claude Code release notes — page 2
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 2.1.250 to 2.1.275.
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 2.1.275
Added the signed-in account to Claude apps gateway sign-in: when the gateway names it, you confirm it before the credential is saved, and /status…
Official notes on GitHubClaude Code 2.1.274
Added a visible warning when memory usage is critical, with steps to free memory or restart safely · Added CLAUDE_CODE_MCP_STARTUP_WAIT_MS to bound how long…
Official notes on GitHubClaude Code 2.1.273
Added x-claude-code-request-class, x-claude-code-agent-type, x-claude-code-prev-tool-durations, x-claude-code-compaction and x-claude-code-context-compacted request headers for LLM gateways; opt in with…
Official notes on GitHubClaude Code 2.1.272
Official notes on GitHubClaude Code 2.1.271
Added fast mode in Claude Code Remote sessions (cloud and self-hosted runners): the host's fast-mode setting or /fast typed in the session applies where…
Official notes on GitHubClaude Code 2.1.270
Fixed read-only git commands in Bash unexpectedly asking for permission after a session had been running for a while (regression in 2.1.269)
Official notes on GitHubClaude Code 2.1.269
Added claude plugin eval: run a plugin's eval suite against Claude Code and get scored, reproducible results (JSON + HTML report); see claude plugin…
Official notes on GitHubClaude Code 2.1.268
Added to the Claude apps gateway: with pricing: set in gateway.yaml, signed-in Claude Code clients receive the same rates through managed settings, so /cost…
Official notes on GitHubClaude Code 2.1.267
Added maxEffortLevel setting (top-level or per model under modelSettings): caps the effort level on every provider, including Bedrock, Vertex and Foundry; users can still…
Official notes on GitHubClaude Code 2.1.266
Fixed a 2.1.265 regression affecting LLM-gateway and proxy setups: the undocumented CLAUDE_CODE_USE_GATEWAY environment variable, previously ignored unless ANTHROPIC_BASE_URL and ANTHROPIC_AUTH_TOKEN were both set, began…
Official notes on GitHubClaude Code 2.1.265
Added user.email and user.groups to the telemetry Claude Desktop and Cowork send through a Claude apps gateway, matching terminal sessions · Added support for…
Official notes on GitHubClaude Code 2.1.263
Official notes on GitHubClaude Code 2.1.261
Added an "Organization policy" line to /status and claude doctor that says why your organization's policy could not be loaded, such as a proxy…
Official notes on GitHubClaude Code 2.1.260
Added a diff panel that opens beside the conversation in fullscreen mode and shows your uncommitted changes as Claude edits; toggle it with /diff…
Official notes on GitHubClaude Code 2.1.259
Added managedMcpServers managed setting: organizations can provide HTTP/SSE MCP servers to every user (same entry shape as .mcp.json); entries that name a command to…
Official notes on GitHubClaude Code 2.1.258
Fixed Claude Code failing to launch on macOS 12 (Monterey), a regression introduced in 2.1.255 · Fixed remote and scheduled sessions failing with "user…
Official notes on GitHubClaude Code 2.1.257
Added Claude Fable 5.1 (claude-fable-5-1), now the default Fable model — 1M context, $10/$50 per Mtok with $0.25/Mtok cache reads · Added "Time format"…
Official notes on GitHubClaude Code 2.1.252
Fixed Bash commands failing with "task output swap refused (tasks dir moved or linked)" on some Macs · Fixed "always allow" not saving in…
Official notes on GitHubClaude Code 2.1.251
Added PreModelSwitch and PostModelSwitch hook events (block, confirm, or annotate a model switch); SessionStart resume hooks now receive session staleness and the estimated re-cache…
Official notes on GitHubClaude Code 2.1.250
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