Modify CrawlStats class to handle both datetime and float timestamp formats for start_time and end_time fields. This change improves compatibility with different time formats while maintaining existing functionality.
Other minor changes:
- Add datetime import in async_dispatcher
- Update JsonElementExtractionStrategy kwargs handling
No breaking changes.
Introduces a new generic CrawlResultContainer class to standardize return types and
improve type safety. Removes legacy parameter handling and simplifies method signatures.
This change makes the API more consistent and easier to maintain.
BREAKING CHANGE: Synchronous crawler methods now always return CrawlResultContainer
instead of raw CrawlResult or List[CrawlResult]. Legacy parameters have been removed
from method signatures.
Modify authentication system to gracefully handle cases where JWT is not enabled or token is missing. This includes:
- Making HTTPBearer auto_error=False to prevent automatic 403 errors
- Updating token dependency to return None when JWT is disabled
- Fixing model deserialization in CrawlResult
- Updating documentation links
- Cleaning up imports
BREAKING CHANGE: Authentication behavior changed to be more permissive when JWT is disabled
Rename LlmConfig to LLMConfig across the codebase to follow consistent naming conventions.
Update all imports and usages to use the new name.
Update documentation and examples to reflect the change.
BREAKING CHANGE: LlmConfig has been renamed to LLMConfig. Users need to update their imports and usage.
Make 'crawl' the default command when no command is specified.
This improves user experience by allowing direct URL input without
explicitly specifying the 'crawl' command.
Also removes unnecessary blank lines in example code for better readability.
Replace float('inf') and float('-inf') with math.inf and -math.inf from the math module for better readability and performance. Also clean up imports and remove unused speed comparison code.
No breaking changes.
Add max_pages parameter to all deep crawling strategies to limit total pages crawled.
Add score_threshold parameter to BFS/DFS strategies for quality control.
Remove legacy parameter handling in AsyncWebCrawler.
Improve error handling and logging in crawl strategies.
BREAKING CHANGE: Removed support for legacy parameters in AsyncWebCrawler.run_many()
Adds new functionality to crawl websites using saved browser profiles directly from the CLI.
This includes:
- New CLI option to use profiles for crawling
- Helper functions for profile-based crawling
- Fixed type hints for config parameters
- Updated example to show browser window by default
This makes it easier for users to leverage saved browser profiles for crawling without writing code.
Adds new interactive browser profile management system that allows users to:
- Create and manage browser profiles for authenticated crawling
- List existing profiles with detailed information
- Delete unused profiles
- Use profiles during crawling with the new -p/--profile flag
Also restructures CLI to use Click groups and adds humanize dependency for better size formatting.
Adds a new BrowserProfiler class that provides comprehensive management of browser profiles for identity-based crawling. Features include:
- Interactive profile creation and management
- Profile listing, retrieval, and deletion
- Guided console interface
- Migration of profile management from ManagedBrowser
- New example script for identity-based browsing
ALSO:
- Updates logging format in AsyncWebCrawler
- Removes content filter from hello_world example
- Relaxes httpx version constraint
BREAKING CHANGE: Profile management methods from ManagedBrowser are now deprecated and delegate to BrowserProfiler
* fix: Update export of URLPatternFilter
* chore: Add dependancy for cchardet in requirements
* docs: Update example for deep crawl in release note for v0.5
* Docs: update the example for memory dispatcher
* docs: updated example for crawl strategies
* Refactor: Removed wrapping in if __name__==main block since this is a markdown file.
* chore: removed cchardet from dependancy list, since unclecode is planning to remove it
* docs: updated the example for proxy rotation to a working example
* feat: Introduced ProxyConfig param
* Add tutorial for deep crawl & update contributor list for bug fixes in feb alpha-1
* chore: update and test new dependancies
* feat:Make PyPDF2 a conditional dependancy
* updated tutorial and release note for v0.5
* docs: update docs for deep crawl, and fix a typo in docker-deployment markdown filename
* refactor: 1. Deprecate markdown_v2 2. Make markdown backward compatible to behave as a string when needed. 3. Fix LlmConfig usage in cli 4. Deprecate markdown_v2 in cli 5. Update AsyncWebCrawler for changes in CrawlResult
* fix: Bug in serialisation of markdown in acache_url
* Refactor: Added deprecation errors for fit_html and fit_markdown directly on markdown. Now access them via markdown
* fix: remove deprecated markdown_v2 from docker
* Refactor: remove deprecated fit_markdown and fit_html from result
* refactor: fix cache retrieval for markdown as a string
* chore: update all docs, examples and tests with deprecation announcements for markdown_v2, fit_html, fit_markdown
Make PyPDF2 an optional dependency and improve import handling in PDF processor.
Move imports inside methods to allow for lazy loading and better error handling.
Add new 'pdf' optional dependency group in pyproject.toml.
Clean up unused imports and remove deprecated files.
BREAKING CHANGE: PyPDF2 is now an optional dependency. Users need to install with 'pip install crawl4ai[pdf]' to use PDF processing features.
Add AsyncLoggerBase abstract class to standardize logger interface and introduce AsyncFileLogger for file-only logging. Remove deprecated always_bypass_cache parameter and clean up AsyncWebCrawler initialization.
BREAKING CHANGE: Removed deprecated 'always_by_pass_cache' parameter. Use BrowserConfig cache settings instead.
* feature: Add LlmConfig to easily configure and pass LLM configs to different strategies
* pulled in next branch and resolved conflicts
* feat: Add gemini and deepseek providers. Make ignore_cache in llm content filter to true by default to avoid confusions
* Refactor: Update LlmConfig in LLMExtractionStrategy class and deprecate old params
* updated tests, docs and readme
- Add ignore_default_value option to to_serializable_dict
- Add viewport dict support in BrowserConfig
- Replace FastFilterChain with FilterChain
- Add deprecation warnings for unwanted properties
- Clean up unused imports
- Rename example files for consistency
- Add comprehensive Docker configuration tutorial
BREAKING CHANGE: FastFilterChain has been replaced with FilterChain
Add JWT token-based authentication to Docker server and client.
Refactor server architecture for better code organization and error handling.
Move Dockerfile to root deploy directory and update configuration.
Add comprehensive documentation and examples.
BREAKING CHANGE: Docker server now requires authentication by default.
Endpoints require JWT tokens when security.jwt_enabled is true in config.
Add supervisor configuration for managing Redis and Gunicorn processes
Replace direct process management with supervisord
Add secure and token-free API server variants
Implement JWT authentication for protected endpoints
Update datetime handling in async dispatcher
Add email domain verification
BREAKING CHANGE: Server startup now uses supervisord instead of direct process management
Implements a new AsyncHTTPCrawlerStrategy class that provides a fast, memory-efficient alternative to browser-based crawling. Features include:
- Support for HTTP/HTTPS requests with configurable methods, headers, and timeouts
- File and raw content handling capabilities
- Streaming response processing for large files
- Customizable request/response hooks
- Comprehensive error handling
Also refactors browser management code into separate module for better organization.
Improve configuration serialization with better handling of frozensets and slots.
Expand deep crawling module exports and documentation.
Add comprehensive API usage examples in Docker README.
- Add support for frozenset serialization
- Improve error handling in config loading
- Export additional deep crawling components
- Enhance Docker API documentation with detailed examples
- Fix ContentTypeFilter initialization
Remove content filter related code and parameters as part of simplifying the crawler configuration. This includes:
- Removing ContentFilter import and related classes
- Removing content_filter parameter from CrawlerRunConfig
- Cleaning up LLMExtractionStrategy constructor parameters
BREAKING CHANGE: Removed content_filter parameter from CrawlerRunConfig. Users should migrate to using extraction strategies for content filtering.
Implements a full-featured CLI for Crawl4AI with the following capabilities:
- Basic and advanced web crawling
- Configuration management via YAML/JSON files
- Multiple extraction strategies (CSS, XPath, LLM)
- Content filtering and optimization
- Interactive Q&A capabilities
- Various output formats
- Comprehensive documentation and examples
Also includes:
- Home directory setup for configuration and cache
- Environment variable support for API tokens
- Test suite for CLI functionality
Implements a new proxy rotation system with the following changes:
- Add ProxyRotationStrategy abstract base class
- Add RoundRobinProxyStrategy concrete implementation
- Integrate proxy rotation with AsyncWebCrawler
- Add proxy_rotation_strategy parameter to CrawlerRunConfig
- Add example script demonstrating proxy rotation usage
- Remove deprecated synchronous WebCrawler code
- Clean up rate limiting documentation
BREAKING CHANGE: Removed synchronous WebCrawler support and related rate limiting configurations
- Add HTML attribute preservation in GoogleSearchCrawler
- Fix lxml import references in utils.py
- Remove unused ssl_certificate.json
- Clean up imports and code organization in hub.py
- Update test case formatting and remove unused image search test
BREAKING CHANGE: Removed ssl_certificate.json file which might affect existing certificate validations
- Added proper return type hints for DeepCrawlStrategy.arun method
- Added __call__ method to DeepCrawlStrategy for easier usage
- Removed redundant comments and imports
- Cleaned up type hints in DFS strategy
- Removed empty docker_client.py and .continuerules
- Added .private/ to gitignore
BREAKING CHANGE: DeepCrawlStrategy.arun now returns Union[CrawlResultT, List[CrawlResultT], AsyncGenerator[CrawlResultT, None]]
Split deep crawling code into separate strategy files for better organization and maintainability. Added new BFF (Best First) and DFS crawling strategies. Introduced base strategy class and common types.
BREAKING CHANGE: Deep crawling implementation has been split into multiple files. Import paths for deep crawling strategies have changed.
Restructure deep crawling code into a dedicated module with improved organization:
- Move deep crawl logic from async_deep_crawl.py to deep_crawling/
- Create separate files for BFS strategy, filters, and scorers
- Improve code organization and maintainability
- Add optimized implementations for URL filtering and scoring
- Rename DeepCrawlHandler to DeepCrawlDecorator for clarity
BREAKING CHANGE: DeepCrawlStrategy and BreadthFirstSearchStrategy imports need to be updated to new package structure
Implements deep crawling functionality with a new BreadthFirstSearch strategy:
- Add DeepCrawlStrategy base class and BFS implementation
- Integrate deep crawling with AsyncWebCrawler via decorator pattern
- Update CrawlerRunConfig to support deep crawling parameters
- Add pagination support for Google Search crawler
BREAKING CHANGE: AsyncWebCrawler.arun and arun_many return types now include deep crawl results
Complete overhaul of Docker deployment setup with improved architecture:
- Add Redis integration for task management
- Implement rate limiting and security middleware
- Add Prometheus metrics and health checks
- Improve error handling and logging
- Add support for streaming responses
- Implement proper configuration management
- Add platform-specific optimizations for ARM64/AMD64
BREAKING CHANGE: Docker deployment now requires Redis and new config.yml structure
Add comprehensive Docker deployment configuration with:
- New .dockerignore and .llm.env.example files
- Enhanced Dockerfile with multi-stage build and optimizations
- Detailed README with setup instructions and environment configurations
- Improved requirements.txt with Gunicorn
- Better error handling in async_configs.py
BREAKING CHANGE: Docker deployment now requires .llm.env file for API keys
Add Docker service integration with FastAPI server and client implementation.
Implement serialization utilities for BrowserConfig and CrawlerRunConfig to support
Docker service communication. Clean up imports and improve error handling.
- Add Crawl4aiDockerClient class
- Implement config serialization/deserialization
- Add FastAPI server with streaming support
- Add health check endpoint
- Clean up imports and type hints
Add Docker deployment setup with FastAPI server implementation for Crawl4AI:
- Create Dockerfile with Python 3.10 and Playwright dependencies
- Implement FastAPI server with streaming and non-streaming endpoints
- Add request/response models and JSON serialization
- Include test script for API verification
Also includes:
- Update .gitignore for Continue development files
- Add project rules in .continuerules
- Clean up async_dispatcher.py formatting
Major reorganization of the project structure:
- Moved legacy synchronous crawler code to legacy folder
- Removed deprecated CLI and docs manager
- Consolidated version manager into utils.py
- Added CrawlerHub to __init__.py exports
- Fixed type hints in async_webcrawler.py
- Fixed minor bugs in chunking and crawler strategies
BREAKING CHANGE: Removed synchronous WebCrawler, CLI, and docs management functionality. Users should migrate to AsyncWebCrawler.
Add JavaScript execution result handling and improve PDF processing capabilities:
- Add js_execution_result to CrawlResult and AsyncCrawlResponse models
- Implement execution result capture in AsyncPlaywrightCrawlerStrategy
- Add batch processing for PDF pages with configurable batch size
- Enhance JsonElementExtractionStrategy with better schema generation
- Add HTML optimization utilities
BREAKING CHANGE: PDF processing now uses batch processing by default
Add new PDF processing module with the following features:
- PDF text extraction and formatting to HTML/Markdown
- Image extraction with multiple format support (JPEG, PNG, TIFF)
- Link extraction from PDF documents
- Metadata extraction including title, author, dates
- Support for both local and remote PDF files
Also includes:
- New configuration options for HTML attribute handling
- Internal/external link filtering improvements
- Version bump to 0.4.300b4
Redesign user agent generation to be more modular and reliable:
- Add abstract base class UAGen for user agent generation
- Implement ValidUAGenerator using fake-useragent library
- Add OnlineUAGenerator for fetching real-world user agents
- Update browser configurations to use new UA generation system
- Improve client hints generation
This change makes the user agent system more maintainable and provides better real-world user agent coverage.
Add support for direct CDP URL configuration in BrowserConfig and ManagedBrowser classes. This allows connecting to remote browser instances using custom CDP endpoints instead of always launching a local browser.
- Added cdp_url parameter to BrowserConfig
- Added cdp_url support in ManagedBrowser.start() method
- Updated documentation for new parameters
- Add RelevantContentFilter to __init__.py exports
- Update version to 0.4.3b3
- Enhance type hints in async_configs.py
- Remove empty utils.scraping.py file
- Update mkdocs configuration with version info and GitHub integration
BREAKING CHANGE: None
Renames the final_url field to redirected_url across all components to maintain
consistent terminology throughout the codebase. This change affects:
- AsyncCrawlResponse model
- AsyncPlaywrightCrawlerStrategy
- Documentation and examples
No functional changes, purely naming consistency improvement.
Implements dynamic proxy rotation functionality with authentication support and IP verification. Updates include:
- Added proxy rotation demo in features example
- Updated proxy configuration handling in BrowserManager
- Added proxy rotation documentation
- Updated README with new proxy rotation feature
- Bumped version to 0.4.3b2
This change enables users to dynamically switch between proxies and verify IP addresses for each request.
Prepare the v0.4.3 beta release with major feature additions and improvements:
- Add JsonXPathExtractionStrategy and LLMContentFilter to exports
- Update version to 0.4.3b1
- Improve documentation for dispatchers and markdown generation
- Update development status to Beta
- Reorganize changelog format
BREAKING CHANGE: Memory threshold in MemoryAdaptiveDispatcher increased to 90% and SemaphoreDispatcher parameter renamed to max_session_permit
Add support for checking and respecting robots.txt rules before crawling websites:
- Implement RobotsParser class with SQLite caching
- Add check_robots_txt parameter to CrawlerRunConfig
- Integrate robots.txt checking in AsyncWebCrawler
- Update documentation with robots.txt compliance examples
- Add tests for robot parser functionality
The cache uses WAL mode for better concurrency and has a default TTL of 7 days.
Add proxy_config parameter to CrawlerRunConfig to support dynamic proxy configuration per crawl request. This enables users to specify different proxy settings for each crawl operation without modifying the browser config.
- Added proxy_config parameter to CrawlerRunConfig
- Updated BrowserManager to apply proxy settings from CrawlerRunConfig
- Updated proxy-security documentation with new usage examples
