Hi @Gagan Atre
Welcome to ask questions on this forum.
what is the latest web application technology used by Microsoft.
There is no doubt that it should be Asp.net 6. The .NET 6 was released in November 2021! ASP.NET Core in .NET 6 includes everything you need to build rich modern web UI and powerful back-end services. You check the following link:
And refer to the tutorial in the above link to create a web application:
If you have any questions when developing a web application using Asp.net core, please feel free to post it on this forum.
If the answer is the right solution, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.