ASP.NET Core SignalR supported platforms

Server system requirements

SignalR for ASP.NET Core supports any server platform that ASP.NET Core supports.

JavaScript client

The JavaScript client runs on NodeJS 8 and later versions and the following browsers:

Browser Version
Microsoft Edge Current†
Mozilla Firefox Current†
Google Chrome; includes Android Current†
Safari; includes iOS Current†
Microsoft Internet Explorer 11

Current refers to the latest version of the browser.

.NET client

The .NET client runs on any platform supported by ASP.NET Core. For example, Xamarin developers can use SignalR for building Android apps using Xamarin.Android and later and iOS apps using Xamarin.iOS and later.

If the server runs IIS, the WebSockets transport requires IIS 8.0 or later on Windows Server 2012 or later. Other transports are supported on all platforms.

Java client

The Java client supports Java 8 and later versions.

Unsupported clients

The following clients are available but are experimental or unofficial. They aren't currently supported and may never be.