- CHANGELOG.md (+21 / -2)
• ## 1.0.120
• - Fix input lag during typing, especially noticeable with large prompts
• ## 1.0.119
• - Fix Windows issue where process visually freezes on entering interactive mode
• - Support dynamic headers for MCP servers via headersHelper configuration
• - Fix thinking mode not working in headless sessions
- api.md (+1 / -1)
• * We've launched tool helpers in beta for the Python and TypeScript SDKs, simplifying tool creation and execution with type-safe input validation and a tool runner for automated tool handling in conversations. For details, see the documentation for [the Python SDK](https://github.com/anthropics/anthropic-sdk-python/blob/main/tools.md) and [the TypeScript SDK](https://github.com/anthropics/anthropic-sdk-typescript/blob/main/helpers.md#tool-helpers).
- api.md (+4 / -0)
• #### September 17, 2025
• * We've launched tool helpers in beta for the Python and TypeScript SDKs, simplifying tool creation and execution with automatic input validation and a tool runner for automated tool handling in conversations. For details, see the [`anthropic-sdk-python`](https://github.com/anthropics/anthropic-sdk-python/blob/main/helpers.md) and [`anthropic-sdk-typescript`](https://github.com/anthropics/anthropic-sdk-typescript/blob/main/helpers.md) repos. To learn more about tool use, see our [tool use documentation](/en/docs/agents-and-tools/tool-use/overview).
- CHANGELOG.md (+9 / -0)
• ## 1.0.115
• - Improve thinking mode display with enhanced visual effects
• - Type /t to temporarily disable thinking mode in your prompt
• - Improve path validation for glob and grep tools
• - Show condensed output for post-tool hooks to reduce visual clutter
• - Fix visual feedback when loading state completes
- api.md (+27 / -15)
• # Claude Developer Platform
• #### September 16, 2025
• * We've unified our developer offerings under the Claude brand. You should see updated naming and URLs across our platform and documentation, but **our developer interfaces will remain the same**. Here are some notable changes:
• * We've increased rate limits on the [1M token context window](/en/docs/build-with-claude/context-windows#1m-token-context-window) for Claude Sonnet 4 on the Claude API. For more information, see [Long context rate limits](/en/api/rate-limits#long-context-rate-limits).
• * We've launched beta support for a [1M token context window](/en/docs/build-with-claude/context-windows#1m-token-context-window) in Claude Sonnet 4 on the Claude API and Amazon Bedrock.
• * Search result content blocks are now generally available on the Claude API and Google Cloud's Vertex AI. This feature enables natural citations for RAG applications with proper source attribution. The beta header `search-results-2025-06-09` is no longer required. Learn more in our [search results documentation](/en/docs/build-with-claude/search-results).
- CHANGELOG.md (+8 / -0)
• ## 1.0.112
• - Transcript mode (Ctrl+R): Added the model used to generate each assistant message
• - Addressed issue where some Claude Max users were incorrectly recognized as Claude Pro users
• - Hooks: Added systemMessage support for SessionEnd hooks
• - Added `spinnerTipsEnabled` setting to disable spinner tips
• - IDE: Various improvements and bug fixes
- api.md (+1 / -1)
• * Some customers might encounter 429 (`rate_limit_error`) [errors](/en/api/errors) following a sharp increase in API usage due to acceleration limits on the API. Previously, 529 (`overloaded_error`) errors would occur in similar scenarios.
- CHANGELOG.md (+5 / -1)
• ## 1.0.111
• - Fixed Bash tool crashes caused by malformed shell syntax parsing
• ## 1.0.110
- api.md (+5 / -0)
• #### September 10, 2025
• * We've launched the web fetch tool in beta, allowing Claude to retrieve full content from specified web pages and PDF documents. Learn more in our [web fetch tool documentation](/en/docs/agents-and-tools/tool-use/web-fetch-tool).
• * We've launched the [Claude Code Analytics API](/en/api/claude-code-analytics-api), enabling organizations to programmatically access daily aggregated usage metrics for Claude Code, including productivity metrics, tool usage statistics, and cost data.
- CHANGELOG.md (+4 / -0)
• ## 1.0.106
• - Windows: Fixed path permission matching to consistently use POSIX format (e.g., `Read(//c/Users/...)`)
- api.md (+4 / -0)
• #### September 5, 2025
• * We've launched [rate limit charts](/en/api/rate-limits#monitoring-your-rate-limits-in-the-console) in the Console [Usage](https://console.anthropic.com/settings/usage) page, allowing you to monitor your API rate limit usage and caching rates over time.
- api.md (+4 / -0)
• #### September 3, 2025
• * We've launched support for citable documents in client-side tool results. Learn more in our [tool use documentation](en/docs/agents-and-tools/tool-use/implement-tool-use.mdx).
- api.md (+4 / -0)
• #### September 2, 2025
• * We've launched v2 of the [Code Execution Tool](/en/docs/agents-and-tools/tool-use/code-execution-tool) in public beta, replacing the original Python-only tool with Bash command execution and direct file manipulation capabilities, including writing code in other languages.
- CHANGELOG.md (+8 / -0)
• ## 1.0.94
• - Vertex: add support for global endpoints for supported models
• - /memory command now allows direct editing of all imported memory files
• - SDK: Add custom tools as callbacks
• - Added /todos command to list current todo items
• - Support NO_PROXY environment variable to bypass proxy for specified hostnames and IPs
- api.md (+4 / -0)
• #### August 27, 2025
• * We launched a beta version of the [PHP SDK](https://github.com/anthropics/anthropic-sdk-php).
- CHANGELOG.md (+4 / -0)
• ## 1.0.93
• - Windows: Add alt + v shortcut for pasting images from clipboard
- api.md (+5 / -0)
• #### August 26, 2025
• * We've increased rate limits on the [1M token context window](/en/docs/build-with-claude/context-windows#1m-token-context-window) for Claude Sonnet 4 on the Anthropic API. For more information, see [Long context rate limits](/en/api/rate-limits#long-context-rate-limits).
• * The 1m token context window is now available on Google Cloud's Vertex AI. For more information, see [Claude on Vertex AI](/en/api/claude-on-vertex-ai).
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