You can now identify and localize non-translated strings in your .NET apps.
Introduced a new Clipboard Access Policy that allows you to control (allow or disallow) clipboard-related operations initiated by users when using UI controls in Windows Forms and WPF applications.
Dashboard for Web Forms and MVC
Content Security Policy - Suppress Inline Styles and Scripts - Improved Content Security Policy support for the BI Dashboard in ASP.NET MVC and Web Forms applications: you can now implement a nonce-based CSP. This allows you to remove unsafe-inline keywords (style-src and script-src directives) from pages that host the Web Dashboard control.