Replace old Roadmap link with link to Blog (#13069)

readme.md

@@ -14,8 +14,8 @@ Considered by many to be the spiritual successor to WPF, Avalonia UI provides a
 
 For those seeking a cross-platform WPF, we have created [Avalonia XPF](https://avaloniaui.net/xpf), enabling WPF applications to run on macOS and Linux with little to no code changes. Avalonia XPF is a commercial product and is licensed per-app, per-platform. 
 
-#### Roadmap
+#### Blog
-To see the status of some of our features, look at our [Roadmap](https://github.com/AvaloniaUI/Avalonia/issues/2239). 
+To see the latest announcements and read about the state of Avalonia, check out the [Avalonia UI Blog](https://www.avaloniaui.net/Blog/).
 
 #### Breaking Changes
 You can also see what [breaking changes](https://github.com/AvaloniaUI/Avalonia/issues/3538) we have planned and what our [past breaking changes](https://github.com/AvaloniaUI/Avalonia/wiki/Breaking-Changes) have been.