Flask 3.1.0
Flask 3.1.0, released on November 13, 2024, provides enhanced security, performance and flexibility for developers building efficient and scalable web applications. This update strengthens security with trusted host checks, secret key rotation, and CHIPS support. Additionally, improvements in request handling and resource management further optimize application performance, empowering Flask developers to build more robust solutions.
- Performance Optimization
Flask continuously improves its performance through updates, enhancing routing, request handling, and other core components to make applications faster and more efficient.
- Feature Enhancements
New features are introduced based on community feedback and evolving web development trends. These enhancements range from minor additions to significant updates that improve the developer experience.
- Documentation Improvements
Flask’s documentation is regularly updated to reflect framework changes, providing clearer explanations, better examples and more comprehensive guidance for developers.
- Python Compatibility
Dropped support for Python 3.8. Flask now requires Python 3.9 or newer, ensuring compatibility with modern Python features and security improvements.
Flask: A Leading Python Web Framework
Flask remains one of the top Python web frameworks, known for its lightweight architecture, flexibility and ease of use. Skilled Flask developers leverage its capabilities to build scalable web applications, RESTful APIs, and microservices, making it a preferred choice for businesses seeking fast and efficient backend solutions.
With approximately 71,000 websites powered by Flask, the framework holds a significant position in the Python web development landscape. It ranks alongside Django in developer surveys and industry reports, reflecting its widespread adoption.
Flask commands around 42% of the market share among Python web frameworks, second only to Django at 47%. This substantial presence highlights Flask’s appeal as a versatile micro-framework, offering developers greater control over application components while maintaining simplicity and modularity—ideal for both startups and enterprises.
Flask is widely used across various industries, including fintech, healthcare, e-commerce, AI-driven platforms and enterprise SaaS applications. Major tech companies such as Netflix, Reddit, LinkedIn and Uber have leveraged Flask in different capacities to build high-performance web services.