Microsoft Azure Functions 4.0 is now in public review and will be generally available in November 2021 when .NET 6 is officially released (currently also in preview). It also provides support for .NET 6.
- .NET 6.0 (in-process and isolated process)
- Node.js 14
- Python 3.7, 3.8, 3.9
- Java 8, 11
- PowerShell 7.0
- Custom Handlers
.NET 6 Azure functions v4 example
Source from: Azure Functions runtime 4.0 is now in public preview.