An entry is only as true as the day it was written.
Flags move on the server after a release ships. Anthropic's own notes land days later and their documentation later still. Sometimes an entry turns out to be wrong and gets corrected by hand. All of that is recorded against the entry it happened to, and this is the whole of it in the order it happened.
Nothing here replaces an entry. Every line links to the page its release published, still saying what that release said, because a correction is added and dated rather than swapped in.
| When | Entry | What happened |
|---|---|---|
v2.1.239tengu_toasty_breeze |
Flag reading movedThe flag server now returns {"enabled":false,"version":0} for tengu_toasty_breeze, read as this account. | |
v2.1.248tengu_nifty_lemur |
Flag reading movedThe flag server now returns {"enabled":false,"version":0} for tengu_nifty_lemur, read as this account. | |
v2.1.248tengu_nifty_lemur |
Flag reading movedThe flag server now returns {"enabled":false,"version":0} for tengu_nifty_lemur, read as this account. | |
v2.1.223tengu_juniper_relay |
Flag reading movedThe flag server now returns off for tengu_juniper_relay, read as this account. | |
v2.1.251tengu_juniper_relay |
Flag reading movedThe flag server now returns off for tengu_juniper_relay, read as this account. | |
v2.1.260m365 |
Documentation arrivedAnthropic's documentation has since written up m365, on Features.
the line in the docs| [Microsoft 365](/docs/third-party/claude-desktop/connectors-m365) and [GitHub](/docs/third-party/claude-desktop/connectors-github) connectors | ✓ | ✓ | |
|
v2.1.239tengu_cobalt_plinth_bracken |
Flag reading movedThe flag server now returns on for tengu_cobalt_plinth_bracken, read as this account. | |
v2.1.236tengu_cobalt_plinth_bracken |
Flag reading movedThe flag server now returns on for tengu_cobalt_plinth_bracken, read as this account. | |
v2.1.238headers |
Documentation arrivedA small documentation edit on extended-thinking touched a line naming headers after this was published.
the line in the docsOn Claude Opus 4.5, Claude Sonnet 4.5, and earlier Claude 4 models, add the `interleaved-thinking-2025-05-14` [beta header](https://platform.claude.com/docs/en/api/beta-headers) to your API request. |
|
v2.1.238headers |
Documentation arrivedA small documentation edit on extended-thinking touched a line naming headers after this was published.
the line in the docsOn Claude Opus 4.5, Claude Sonnet 4.5, and earlier Claude 4 models, add the `interleaved-thinking-2025-05-14` [beta header](https://platform.claude.com/docs/en/api/beta-headers) to your API request. |
|
v2.1.260sshHostAllowlist |
Documentation arrivedAnthropic's documentation has since written up sshHostAllowlist, on Configuration reference.
the line in the docs| <span id="sshhostallowlist" />SSH host allowlist<br />`sshHostAllowlist` | `string[]` | MDM + Bootstrap · Beta | — | SSH hosts users may connect to for Code sessions. Empty or unset: off unless the device’s Claude Code managed-settings a… |
|
v2.1.260isClaudeCodeForDesktopEnabled |
Documentation arrivedAnthropic's documentation has since written up isClaudeCodeForDesktopEnabled, on Configuration reference.
the line in the docs| <span id="isclaudecodefordesktopenabled" />Allow Code<br />`isClaudeCodeForDesktopEnabled` | `boolean` | MDM + Bootstrap | `true` | Enable Code. Claude writes and runs code. Defaults to `true`. | |
|
v2.1.260otlpTracesEnabled |
Documentation arrivedAnthropic's documentation has since written up otlpTracesEnabled, on Changelog.
the line in the docs* Fixed Claude Code's own settings on the device (a user's or project's settings file, or a `managed-settings.json`) being able to turn OpenTelemetry trace export back on after an administrator configured a collector with traces off; with … |
|
v2.1.248src |
Documentation arrivedAnthropic's documentation has since written up src, on Security and data handling.
the line in the docs<img className="block dark:hidden" src="https://mintcdn.com/claude-ai/oY6LusJt4c576Dc3/images/claude-tag/diagrams/request-path.svg?fit=max&auto=format&n=oY6LusJt4c576Dc3&q=85&s=a7f2e0f4303072b4c8e4f3197bf0cb12" alt="Diagram showing the req… |
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v2.1.265format |
Documentation arrivedA small documentation edit on How agent identity works touched a line naming format after this was published.
the line in the docs<img className="block dark:hidden" src="https://mintcdn.com/claude-ai/oY6LusJt4c576Dc3/images/claude-tag/diagrams/request-path.svg?fit=max&auto=format&n=oY6LusJt4c576Dc3&q=85&s=a7f2e0f4303072b4c8e4f3197bf0cb12" alt="Diagram showing the req… |
|
v2.1.248src |
Documentation arrivedA small documentation edit on How agent identity works touched a line naming src after this was published.
the line in the docs<img className="block dark:hidden" src="https://mintcdn.com/claude-ai/oY6LusJt4c576Dc3/images/claude-tag/diagrams/request-path.svg?fit=max&auto=format&n=oY6LusJt4c576Dc3&q=85&s=a7f2e0f4303072b4c8e4f3197bf0cb12" alt="Diagram showing the req… |
|
v2.1.246sandbox.credentials |
Documentation arrivedA small documentation edit on Configure server-managed settings touched a line naming sandbox.credentials after this was published.
the line in the docsAn approval for `sandbox.credentials` or `sandbox.network.tlsTerminate` also covers the [`sandbox.network.allowedDomains`](/docs/en/settings-reference#sandbox-network-alloweddomains) entries in those same delivered settings, because both s… |
|
v2.1.232sandbox.network.allowedDomains |
Documentation arrivedA small documentation edit on Configure server-managed settings touched a line naming sandbox.network.allowedDomains after this was published.
the line in the docsAn approval for `sandbox.credentials` or `sandbox.network.tlsTerminate` also covers the [`sandbox.network.allowedDomains`](/docs/en/settings-reference#sandbox-network-alloweddomains) entries in those same delivered settings, because both s… |
|
v2.1.259pinned |
Documentation arrivedAnthropic's documentation has since written up pinned, on Connect Claude Code to an LLM gateway.
the line in the docs* **Model capabilities**: if you pin a model ID that your Claude Code version doesn't recognize, features such as effort levels or extended thinking can stay disabled on it. Declare what the model supports with [`ANTHROPIC_DEFAULT_OPUS_MOD… |
|
v2.1.232capabilities |
Documentation arrivedAnthropic's documentation has since written up capabilities, on Connect Claude Code to an LLM gateway.
the line in the docs* **Model capabilities**: if you pin a model ID that your Claude Code version doesn't recognize, features such as effort levels or extended thinking can stay disabled on it. Declare what the model supports with [`ANTHROPIC_DEFAULT_OPUS_MOD… |
|
v2.1.261ANTHROPIC_DEFAULT_HAIKU_MODEL |
Documentation arrivedAnthropic's documentation has since written up ANTHROPIC_DEFAULT_HAIKU_MODEL, on Connect Claude Code to an LLM gateway.
the line in the docs* **Model versions**: pin `ANTHROPIC_DEFAULT_OPUS_MODEL`, `ANTHROPIC_DEFAULT_SONNET_MODEL`, and `ANTHROPIC_DEFAULT_HAIKU_MODEL` as in [Pin model versions](/docs/en/google-vertex-ai#5-pin-model-versions). Setting `ANTHROPIC_DEFAULT_HAIKU_MO… |
|
v2.1.260ANTHROPIC_CUSTOM_HEADERS |
Documentation arrivedAnthropic's documentation has since written up ANTHROPIC_CUSTOM_HEADERS, on Connect Claude Code to an LLM gateway.
the line in the docs* **Amazon Bedrock, Google Cloud's Agent Platform, or Claude Platform on AWS**: add `ANTHROPIC_AUTH_TOKEN` after the block. Claude Code sends it to the gateway as an `Authorization: Bearer` header. For a credential in a different scheme or… |
|
v2.1.260ANTHROPIC_CUSTOM_HEADERS |
Documentation arrivedAnthropic's documentation has since written up ANTHROPIC_CUSTOM_HEADERS, on Connect Claude Code to an LLM gateway.
the line in the docs* **Amazon Bedrock, Google Cloud's Agent Platform, or Claude Platform on AWS**: add `ANTHROPIC_AUTH_TOKEN` after the block. Claude Code sends it to the gateway as an `Authorization: Bearer` header. For a credential in a different scheme or… |
|
v2.1.251ANTHROPIC_CUSTOM_HEADERS |
Documentation arrivedAnthropic's documentation has since written up ANTHROPIC_CUSTOM_HEADERS, on Connect Claude Code to an LLM gateway.
the line in the docs* **Amazon Bedrock, Google Cloud's Agent Platform, or Claude Platform on AWS**: add `ANTHROPIC_AUTH_TOKEN` after the block. Claude Code sends it to the gateway as an `Authorization: Bearer` header. For a credential in a different scheme or… |
|
v2.1.248apiKeyHelper |
Documentation arrivedAnthropic's documentation has since written up apiKeyHelper, on Connect Claude Code to an LLM gateway.
the line in the docs* **Amazon Bedrock, Google Cloud's Agent Platform, or Claude Platform on AWS**: add `ANTHROPIC_AUTH_TOKEN` after the block. Claude Code sends it to the gateway as an `Authorization: Bearer` header. For a credential in a different scheme or… |
|
v2.1.234apiKeyHelper |
Documentation arrivedAnthropic's documentation has since written up apiKeyHelper, on Connect Claude Code to an LLM gateway.
the line in the docs* **Amazon Bedrock, Google Cloud's Agent Platform, or Claude Platform on AWS**: add `ANTHROPIC_AUTH_TOKEN` after the block. Claude Code sends it to the gateway as an `Authorization: Bearer` header. For a credential in a different scheme or… |
|
v2.1.265ANTHROPIC_AUTH_TOKEN |
Documentation arrivedAnthropic's documentation has since written up ANTHROPIC_AUTH_TOKEN, on Connect Claude Code to an LLM gateway.
the line in the docs* **Amazon Bedrock, Google Cloud's Agent Platform, or Claude Platform on AWS**: add `ANTHROPIC_AUTH_TOKEN` after the block. Claude Code sends it to the gateway as an `Authorization: Bearer` header. For a credential in a different scheme or… |
|
v2.1.257ANTHROPIC_AUTH_TOKEN |
Documentation arrivedAnthropic's documentation has since written up ANTHROPIC_AUTH_TOKEN, on Connect Claude Code to an LLM gateway.
the line in the docs* **Amazon Bedrock, Google Cloud's Agent Platform, or Claude Platform on AWS**: add `ANTHROPIC_AUTH_TOKEN` after the block. Claude Code sends it to the gateway as an `Authorization: Bearer` header. For a credential in a different scheme or… |
|
v2.1.257ANTHROPIC_AUTH_TOKEN |
Documentation arrivedAnthropic's documentation has since written up ANTHROPIC_AUTH_TOKEN, on Connect Claude Code to an LLM gateway.
the line in the docs* **Amazon Bedrock, Google Cloud's Agent Platform, or Claude Platform on AWS**: add `ANTHROPIC_AUTH_TOKEN` after the block. Claude Code sends it to the gateway as an `Authorization: Bearer` header. For a credential in a different scheme or… |
|
v2.1.233ANTHROPIC_AUTH_TOKEN |
Documentation arrivedAnthropic's documentation has since written up ANTHROPIC_AUTH_TOKEN, on Connect Claude Code to an LLM gateway.
the line in the docs* **Amazon Bedrock, Google Cloud's Agent Platform, or Claude Platform on AWS**: add `ANTHROPIC_AUTH_TOKEN` after the block. Claude Code sends it to the gateway as an `Authorization: Bearer` header. For a credential in a different scheme or… |
|
v2.1.229ANTHROPIC_AUTH_TOKEN |
Documentation arrivedAnthropic's documentation has since written up ANTHROPIC_AUTH_TOKEN, on Connect Claude Code to an LLM gateway.
the line in the docs* **Amazon Bedrock, Google Cloud's Agent Platform, or Claude Platform on AWS**: add `ANTHROPIC_AUTH_TOKEN` after the block. Claude Code sends it to the gateway as an `Authorization: Bearer` header. For a credential in a different scheme or… |
|
v2.1.260PostModelSwitch |
Documentation arrivedAnthropic's documentation has since written up PostModelSwitch, on Hooks reference.
the line in the docs| SessionStart, SubagentStart, PostModelSwitch | Context only | `hookSpecificOutput.additionalContext` adds context for Claude. SessionStart also accepts [`initialUserMessage`, `watchPaths`, `sessionTitle`, and `reloadSkills`](#sessionstar… |
|
v2.1.251PostModelSwitch |
Documentation arrivedAnthropic's documentation has since written up PostModelSwitch, on Hooks reference.
the line in the docs| SessionStart, SubagentStart, PostModelSwitch | Context only | `hookSpecificOutput.additionalContext` adds context for Claude. SessionStart also accepts [`initialUserMessage`, `watchPaths`, `sessionTitle`, and `reloadSkills`](#sessionstar… |
|
v2.1.260PreModelSwitch |
Documentation arrivedAnthropic's documentation has since written up PreModelSwitch, on Hooks reference.
the line in the docs| PreModelSwitch | `hookSpecificOutput` or top-level `decision` | `permissionDecision` (allow/deny/ask), `permissionDecisionReason`. `decision: "block"` also [cancels the switch](#premodelswitch-decision-control) | |
|
v2.1.251PreModelSwitch |
Documentation arrivedAnthropic's documentation has since written up PreModelSwitch, on Hooks reference.
the line in the docs| PreModelSwitch | `hookSpecificOutput` or top-level `decision` | `permissionDecision` (allow/deny/ask), `permissionDecisionReason`. `decision: "block"` also [cancels the switch](#premodelswitch-decision-control) | |
|
v2.1.251PreModelSwitch |
Documentation arrivedAnthropic's documentation has since written up PreModelSwitch, on Hooks reference.
the line in the docs| PreModelSwitch | `hookSpecificOutput` or top-level `decision` | `permissionDecision` (allow/deny/ask), `permissionDecisionReason`. `decision: "block"` also [cancels the switch](#premodelswitch-decision-control) | |
|
v2.1.251PreModelSwitch |
Documentation arrivedAnthropic's documentation has since written up PreModelSwitch, on Hooks reference.
the line in the docs| PreModelSwitch | `hookSpecificOutput` or top-level `decision` | `permissionDecision` (allow/deny/ask), `permissionDecisionReason`. `decision: "block"` also [cancels the switch](#premodelswitch-decision-control) | |
|
v2.1.248TeammateIdle |
Documentation arrivedAnthropic's documentation has since written up TeammateIdle, on Hooks reference.
the line in the docs| TeammateIdle, TaskCompleted | Exit code or `continue: false` | Exit code 2 blocks the action with stderr feedback. JSON `{"continue": false, "stopReason": "..."}` also stops the teammate entirely, matching `Stop` hook behavior; [TaskComp… |
|
v2.1.248TaskCompleted |
Documentation arrivedAnthropic's documentation has since written up TaskCompleted, on Hooks reference.
the line in the docs| TeammateIdle, TaskCompleted | Exit code or `continue: false` | Exit code 2 blocks the action with stderr feedback. JSON `{"continue": false, "stopReason": "..."}` also stops the teammate entirely, matching `Stop` hook behavior; [TaskComp… |
|
v2.1.251additionalContext |
Documentation arrivedAnthropic's documentation has since written up additionalContext, on Hooks reference.
the line in the docs| UserPromptSubmit, UserPromptExpansion, PostToolUse, PostToolUseFailure, PostToolBatch, Stop, SubagentStop, ConfigChange, PreCompact | Top-level `decision` | `decision: "block"`, `reason`. Stop and SubagentStop also accept `hookSpecificOu… |
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v2.1.248UserPromptExpansion |
Documentation arrivedAnthropic's documentation has since written up UserPromptExpansion, on Hooks reference.
the line in the docs| UserPromptSubmit, UserPromptExpansion, PostToolUse, PostToolUseFailure, PostToolBatch, Stop, SubagentStop, ConfigChange, PreCompact | Top-level `decision` | `decision: "block"`, `reason`. Stop and SubagentStop also accept `hookSpecificOu… |
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v2.1.238UserPromptExpansion |
Documentation arrivedAnthropic's documentation has since written up UserPromptExpansion, on Hooks reference.
the line in the docs| UserPromptSubmit, UserPromptExpansion, PostToolUse, PostToolUseFailure, PostToolBatch, Stop, SubagentStop, ConfigChange, PreCompact | Top-level `decision` | `decision: "block"`, `reason`. Stop and SubagentStop also accept `hookSpecificOu… |
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v2.1.261claude ultrareview |
Documentation arrivedAnthropic's documentation has since written up claude ultrareview, on CLI reference.
the line in the docs| `claude ultrareview [target]` | Run [ultrareview](/docs/en/ultrareview#run-ultrareview-non-interactively) non-interactively. Prints findings to stdout and exits 0 on success or 1 on failure. Use `--json` for the raw payload and `--timeou… |
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v2.1.259--timeout |
Documentation arrivedAnthropic's documentation has since written up --timeout, on CLI reference.
the line in the docs| `claude ultrareview [target]` | Run [ultrareview](/docs/en/ultrareview#run-ultrareview-non-interactively) non-interactively. Prints findings to stdout and exits 0 on success or 1 on failure. Use `--json` for the raw payload and `--timeou… |
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v2.1.257--post |
Documentation arrivedAnthropic's documentation has since written up --post, on CLI reference.
the line in the docs| `claude ultrareview [target]` | Run [ultrareview](/docs/en/ultrareview#run-ultrareview-non-interactively) non-interactively. Prints findings to stdout and exits 0 on success or 1 on failure. Use `--json` for the raw payload and `--timeou… |
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v2.1.242--post |
Documentation arrivedAnthropic's documentation has since written up --post, on CLI reference.
the line in the docs| `claude ultrareview [target]` | Run [ultrareview](/docs/en/ultrareview#run-ultrareview-non-interactively) non-interactively. Prints findings to stdout and exits 0 on success or 1 on failure. Use `--json` for the raw payload and `--timeou… |
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v2.1.234setup-token |
Documentation arrivedAnthropic's documentation has since written up setup-token, on CLI reference.
the line in the docs| `claude setup-token` | Generate a long-lived OAuth token for CI and scripts. Prints the token to the terminal without saving it. Requires a Claude subscription. See [Generate a long-lived token](/docs/en/authentication#generate-a-long-li… |
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v2.1.234claude setup-token |
Documentation arrivedAnthropic's documentation has since written up claude setup-token, on CLI reference.
the line in the docs| `claude setup-token` | Generate a long-lived OAuth token for CI and scripts. Prints the token to the terminal without saving it. Requires a Claude subscription. See [Generate a long-lived token](/docs/en/authentication#generate-a-long-li… |
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v2.1.246--name |
Documentation arrivedAnthropic's documentation has since written up --name, on CLI reference.
the line in the docs| `claude remote-control` | Start a [Remote Control](/docs/en/remote-control) server to control Claude Code from Claude.ai or the Claude app. Runs in server mode (no local interactive session). See [Server mode flags](/docs/en/remote-contr… |
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v2.1.232--name |
Documentation arrivedAnthropic's documentation has since written up --name, on CLI reference.
the line in the docs| `claude remote-control` | Start a [Remote Control](/docs/en/remote-control) server to control Claude Code from Claude.ai or the Claude app. Runs in server mode (no local interactive session). See [Server mode flags](/docs/en/remote-contr… |