# Claude Code v1.0.10

> Claude Code v1.0.10, released 3 Jun 2025 (2025-06-03). 6 entries read out of the shipped bundle. Unofficial, and not affiliated with Anthropic.

Web version: https://changelogs.core-directive.com/v/1.0.10

## Changes

### 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`

### 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.