Claude Code Docs

{
  "count": 1,
  "entries": [
    {
      "date": "2026-10-14",
      "date_text": "October 14, 2026",
      "item_count": 88,
      "items": [
        {
          "category": "Added",
          "text": "Added `virtualText` to a mod's prompt decorations: text drawn in the prompt box that never enters the draft or the submitted prompt"
        },
        {
          "category": "Added",
          "text": "Added `cache_creation_5m_tokens` and `cache_creation_1h_tokens` to the OpenTelemetry `api_request` event, splitting cache writes by lifetime"
        },
        {
          "category": "Added",
          "text": "Added `$.ui.view({ agentId })` for mods: shows an agent's transcript in the main view when you ask, and `$.ui.view({})` goes back"
        },
        {
          "category": "Added",
          "text": "Added a `dir` prop on a mod's `Text` for right-to-left text: on Windows and in VS Code's terminal its rows read in that direction and sit flush right"
        },
        {
          "category": "Added",
          "text": "Added `/advisor` on Claude Platform on AWS; no advisor runs until you pick one with `/advisor`, `advisorModel` or `--advisor`, and `CLAUDE_CODE_DISABLE_ADVISOR_TOOL=1` turns it off"
        },
        {
          "category": "Added",
          "text": "Added OpenTelemetry GenAI semantic-convention attributes to trace spans, such as `gen_ai.provider.name`, `gen_ai.conversation.id`, `gen_ai.tool.name` and `error.type`"
        },
        {
          "category": "Added",
          "text": "Added support for rewriting a workflow agent's `prompt` and `model` in the `agent.spawn` mod hook, which could only refuse workflow agents before"
        },
        {
          "category": "Added",
          "text": "Added the `prompt.change` mod hook, raised when the prompt box's text changes without a typed edit: a recalled history entry, a clear, an undo, or a plugin's fill"
        },
        {
          "category": "Added",
          "text": "[VSCode] Added the `claudeCode.attachSelection` setting to stop text selected in the editor from being added to your messages"
        },
        {
          "category": "Added",
          "text": "[Claude Tag] Added support for Slack Connect channels: an Owner or Claude Tag admin can let Claude in Slack answer in channels shared with another organization; it's off by default"
        },
        {
          "category": "Added",
          "text": "[Claude Tag] Added a private Allow once / Deny card in Slack threads for connector actions that need your approval, so Claude asks instead of refusing; others only see that it's waiting on you"
        },
        {
          "category": "Added",
          "text": "[Claude Tag] Added support for Slack voice clips in Claude in Slack: Claude reads Slack's transcript of a clip when Slack has one"
        },
        {
          "category": "Changed",
          "text": "Changed `CLAUDE_CODE_PROVIDER_MANAGED_BY_HOST` sessions to ignore CA-bundle, tool-proxy, git TLS and git config variables like `SSL_CERT_FILE` in settings; under Claude Desktop, only in project settings"
        },
        {
          "category": "Changed",
          "text": "Changed exit to force-kill background commands still running 1.5 seconds after being asked to stop; in fullscreen mode they could previously be left running"
        },
        {
          "category": "Changed",
          "text": "Changed Claude Desktop's Code tab to apply managed settings when `forceLoginGatewayUrl` names an Anthropic-operated gateway that serves the session's hostname; that gateway must be reachable at start"
        },
        {
          "category": "Changed",
          "text": "Changed `claude gateway` to stop at start, naming the key, on a `desktop:` policy key that Claude Desktop cannot use from a gateway, where it earlier started with a warning"
        },
        {
          "category": "Changed",
          "text": "Changed large requests to api.anthropic.com to use gzip compression even when telemetry is disabled; set `CLAUDE_CODE_GZIP_REQUEST_BODIES=0` to turn it off"
        },
        {
          "category": "Changed",
          "text": "Changed the `claude-api` skill to leave Managed Agents sessions in place unless you ask to archive or delete them"
        },
        {
          "category": "Changed",
          "text": "Changed background sessions to resume a carried workflow through the Workflow tool's approval instead of running it from the handoff file"
        },
        {
          "category": "Changed",
          "text": "Changed local session transcripts to also record each API request's system prompt, tools and parameters, so a transcript you choose to share can reproduce a request exactly"
        },
        {
          "category": "Changed",
          "text": "Changed the `/sandbox` mode options to read \"Sandbox commands\" instead of \"Sandbox BashTool\""
        },
        {
          "category": "Changed",
          "text": "Changed `PermissionRequest` hooks in Cowork cloud sessions: a `setMode` update in a hook's allow is now ignored; the rest of the approval still applies"
        },
        {
          "category": "Changed",
          "text": "Changed hooks: `updatedInput` from PreToolUse and PermissionRequest hooks is now validated like Claude's own input: unknown keys are dropped, and input the tool rejects denies the call"
        },
        {
          "category": "Changed",
          "text": "Removed the `--sandbox` and `--no-sandbox` flags from `claude remote-control`, which had no effect; passing either now exits with an error. Set `sandbox.enabled` in settings to sandbox sessions"
        },
        {
          "category": "Changed",
          "text": "[Claude Tag] Changed access bundles an admin attached to a Slack channel to keep applying once the channel becomes a Slack Connect channel, with no need to remove and re-attach them"
        },
        {
          "category": "Improved",
          "text": "Improved WebFetch in Cowork cloud sessions to tell Claude that a page failed moments ago instead of fetching it again"
        },
        {
          "category": "Improved",
          "text": "Improved mod sharing in the built-in `plugin-authoring` skill: Claude scans a mod's files for keys before opening them, and asks before scanning a folder outside the project"
        },
        {
          "category": "Improved",
          "text": "Improved the note Claude 3 models get about an @-mentioned PDF, so they less often answer without reading it"
        },
        {
          "category": "Improved",
          "text": "Improved artifact updates: Claude now applies a small change and republishes the artifact in one call, and makes larger edits and republishes within a single response"
        },
        {
          "category": "Fixed",
          "text": "Fixed cloud sessions telling Claude that an organization policy blocked a host when the session's own network settings did"
        },
        {
          "category": "Fixed",
          "text": "Fixed `/autocompact` warning about high token usage when you choose a smaller auto-compact window"
        },
        {
          "category": "Fixed",
          "text": "Fixed SessionEnd hooks sometimes not running when you exit while a background command is still running"
        },
        {
          "category": "Fixed",
          "text": "Fixed `claude --help` naming a removed tool in its description of `--restricted`"
        },
        {
          "category": "Fixed",
          "text": "Fixed `claude agents` not refreshing any pull request's status when the data for one of them came back incomplete"
        },
        {
          "category": "Fixed",
          "text": "Fixed Claude being told a background agent was lost, not resumable, after a cloud session's container was replaced, when the agent had already been resumed once"
        },
        {
          "category": "Fixed",
          "text": "Fixed subagents you had typed messages to disappearing from `/tasks` shortly after finishing, leaving no way back to the conversation"
        },
        {
          "category": "Fixed",
          "text": "Fixed a completed parent agent dropping off the breadcrumb (its child shown re-rooted at top level) while you were viewing the child"
        },
        {
          "category": "Fixed",
          "text": "Fixed the agents view taking a typed word such as \"up\", \"down\" or \"escape\" for that key when input arrived in a burst, which could move the peek mid-reply or clear a draft"
        },
        {
          "category": "Fixed",
          "text": "Fixed automatic tool search (`ENABLE_TOOL_SEARCH=auto`) turning off part-way through a conversation, for example while MCP servers reconnect after a resume"
        },
        {
          "category": "Fixed",
          "text": "Fixed a login refused by `forceLoginOrgUUID` leaving the refused organization's token stored, or live after `/login`"
        },
        {
          "category": "Fixed",
          "text": "Fixed the diff view in Claude Desktop and Remote Control sessions not noticing a conflicted cherry-pick or revert in reftable repositories"
        },
        {
          "category": "Fixed",
          "text": "Fixed the Artifact tool's verbose and ctrl+o line reading `Artifact(\"(unprintable path)\")` while a call's input arrives; its row now shows \"Waiting…\" and \"Running…\" as Bash's does"
        },
        {
          "category": "Fixed",
          "text": "Fixed the first transcript entry written after resuming a session being lost when a crash had cut the transcript's last line short"
        },
        {
          "category": "Fixed",
          "text": "Fixed `/branch` dropping messages, and `claude purge` skipping subfolder projects, when they contain a Unicode line or paragraph separator (U+2028, U+2029)"
        },
        {
          "category": "Fixed",
          "text": "Fixed plugin `WorktreeCreate` and `WorktreeRemove` hooks not running when Claude Code starts with `--worktree` (not yet with `--tmux`)"
        },
        {
          "category": "Fixed",
          "text": "Fixed OpenTelemetry `tool_result` events missing `git_commit_id` after `git commit -q` in repositories using reftable ref storage"
        },
        {
          "category": "Fixed",
          "text": "Fixed a prompt that a mod's `prompt.submit` hook rewrote or dropped still being recorded as typed in the OpenTelemetry `user_prompt` event and interaction span, and in session title requests"
        },
        {
          "category": "Fixed",
          "text": "Fixed a note meant for Claude about mod hot-reloading appearing in the transcript as if you had typed it"
        },
        {
          "category": "Fixed",
          "text": "Fixed agent hooks ignoring their `model`: aliases like `haiku` now resolve, a subagent's model no longer overrides it, and an unavailable model falls back to the caller's instead of allowing the action"
        },
        {
          "category": "Fixed",
          "text": "Fixed `--worktree` sessions sometimes starting from the wrong commit when a tag or branch was named like a commit ID, and their starting git status naming a branch other than the new worktree's"
        },
        "… [38 more items]"
      ],
      "url": "https://code.claude.com/docs/en/changelog#2-1-300",
      "version": "2.1.300"
    }
  ],
  "latest_version": "2.1.304",
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  "source_url": "https://code.claude.com/docs/en/changelog.md",
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