Azure Functions Release Notes
Version 4.x
October 2023
Continued enhancements to performance, security, and developer experience.
Key Updates:
- Improved cold start times for Consumption plan.
- Enhanced diagnostics and monitoring capabilities.
- Support for the latest language runtimes (e.g., Node.js 20, Python 3.11).
- New triggers and bindings for integrations with Azure services like Azure OpenAI.
- Updates to the Azure Functions Core Tools for better local debugging.
Version 3.x
September 2022
Focus on stability, scalability, and expanding integration options.
Key Updates:
- Increased limits for HTTP trigger request/response sizes.
- Enhanced networking features, including VNet integration improvements.
- Support for .NET 6 and Java 17 LTS.
- Performance optimizations for Premium plan functions.
- Security hardening and compliance updates.
Version 2.x
January 2021
Introduced features for enterprise-grade serverless development.
Key Updates:
- General Availability of the Premium plan for predictable performance and VNet connectivity.
- Durable Functions 2.0 with stateful workflows.
- Enhanced deployment options and tooling integration.
- Support for new language versions.
For a comprehensive list of all changes, please refer to the official Azure Functions GitHub Releases page.