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77Run `claude --version` to check your installed version.
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9<Update label="2.1.266" description="September 8, 2026">
10 * 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 forcing Cloud-gateway sign-in on its own in 2.1.265, so configurations that set it alongside an API key, `apiKeyHelper`, or custom auth headers failed every request with "Not signed in to the Cloud gateway". The variable on its own is ignored again; no configuration change is needed
11</Update>
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913<Update label="2.1.265" description="September 8, 2026">
1014 * Added `user.email` and `user.groups` to the telemetry Claude Desktop and Cowork send through a Claude apps gateway, matching terminal sessions
1115 * Added support for pointing `--plugin-dir` at a folder of plugins: each child folder with a manifest loads, and children added or removed while running are picked up
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19681972 * Changed fullscreen mode URL opening to require Cmd+click (macOS) / Ctrl+click, matching native terminal behavior
19691973 * Changed the `Improved N memories` line to no longer list individual files outside verbose mode
19701974 * Fixed prompt caching not reading on custom `ANTHROPIC_BASE_URL` and on Foundry due to a per-request attestation token changing every turn
1971 * Fixed Write/Edit producing 0-byte or truncated files on network drives and cloud-synced folders
1972 * Fixed `open`, `osascript`, and browser-based auth flows failing with error -600 on macOS by adding the Apple Events entitlement
1973 * Fixed a startup regression (\~120ms per launch in fresh environments, introduced in 2.1.169): the first prompt no longer waits for the managed-settings fetch when no MCP servers are configured
1974 * Fixed startup blocking with a blank terminal for up to 15 seconds when the account settings fetch is slow on a degraded network
1975 * Fixed startup crash (`TypeError: Cannot read properties of null`) when `.claude.json` contains corrupted null pro
1975 * Fixed Write/Edit producing 0-byte or truncated files on network drives and cloud-synced fol