Real-time cross-tab notifications have become a crucial aspect of modern web applications. To achieve seamless communication between tabs, developers can utilize SignalR in ASP.NET Core, as demonstrated by Cosmin Irimescu in his latest sample repository. This straightforward yet powerful implementation handles multiple tabs effortlessly, making it an excellent solution for real-time notification requirements.

Source: https://dev.to/cosminirimescucom/real-time-cross-tab-notifications-with-signalr-in-aspnet-core-3204