Generally available: Azure Functions runtime 4.0

Azure Functions runtime 4.0 is now generally available, supporting the following language/runtime versions: * .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 See the Azure Functions 4.0 [announcement blog post](https://aka.ms/functions-v4-ga-blog) to learn more. * Azure functions * Features * [ Azure functions](https://azure.microsoft.com/en-gb/products/functions/)