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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Claude Code v1.0.10

6 entries read diff v1.0.9 → v1.0.10 Markdown
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Changesopen

New Features#

Configurable Output Token Limit

  • New environment variable: CLAUDE_CODE_MAX_OUTPUT_TOKENS
  • Allows customization of the maximum output tokens for Claude's responses
  • Default remains 32,000 tokens for most models
  • Automatically set to 8,192 for Claude 3.5 and Haiku models
  • Example usage: export CLAUDE_CODE_MAX_OUTPUT_TOKENS=50000

Enhanced Telemetry and Debugging

  • New environment variable: OTEL_LOG_USER_PROMPTS
  • Enables logging of user prompts for debugging purposes
  • Example usage: export OTEL_LOG_USER_PROMPTS=1

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

Improvements#

Better Web Search Tracking

  • Added comprehensive tracking for server-side tool usage
  • New server_tool_use metrics include web_search_requests counter
  • Improved usage statistics collection for web searches

Enhanced Markdown Rendering

  • Added support for strikethrough text formatting in markdown
  • Improved table rendering with proper alignment support (left, center, right)
  • Better handling of complex table structures with dynamic column width calculation
  • Enhanced image rendering in markdown (now shows the URL directly)

Performance Optimizations

  • Added UUID v1, v3, v4, and v5 generation utilities for better request tracking
  • Improved streaming response handling with better fallback detection
  • Added didFallBackToNonStreaming tracking for API responses

Security and Error Handling

  • Simplified refusal response handling for policy violations
  • Removed OAuth authentication flow for MCP servers (streamlined authentication)
  • Better error recovery for streaming tool use

Technical Improvements#

Code Organization

  • Consolidated JSON parsing into a reusable utility function (j5)
  • Improved message content merging with the new eQ5 function
  • Enhanced tool input validation and parsing with the Ce function
  • Better separation of concerns for API response processing

️ Developer Experience

  • Added debug logging function ikA for better troubleshooting
  • Improved process working directory access with e70 import
  • Enhanced date/time formatting utilities with comprehensive locale support

Removed Features#

Simplified Authentication

  • Removed the complex OAuth authentication dialog for MCP servers
  • Removed the mcp-auth command and its associated UI components
  • Streamlined MCP server connection process

Bug Fixes#

  • Fixed empty model response handling to provide meaningful fallback messages
  • Improved tool use input validation to ensure proper string or object format
  • Better handling of streaming responses that fall back to non-streaming mode

Internal Changes#

  • Added comprehensive date manipulation utilities from date-fns library
  • Improved telemetry data collection with more granular usage metrics
  • Enhanced streaming infrastructure with PassThrough stream support
  • Better modularization of utility functions

This version focuses on developer experience improvements, better configurability, and enhanced markdown rendering capabilities while streamlining the authentication process for MCP servers.

Verbatim
Official · Anthropic

Anthropic’s official release notes

Published verbatim by Anthropic for v1.0.10. Text is unmodified from the upstream changelog. Everything else on this page came out of the bundle instead, which is why the two lists don't match.

  • Added markdown table support
  • Improved streaming performance
System prompt

The system prompt was not captured for this release, so this page cannot say whether it moved.