It's always interesting to read the successes and challenges of people contributing to the core Xamarin.Forms code base. Gerald is definitely one of those people. (The community thanks you!). In this article, he talks about a couple of issues he fixed regarding UWP.
UWP MaxLines and IsPassword bugs in Xamarin.Forms by Gerald
Well, it’s been a while since Brian Laguna’s and the Prism team released Prism 7 and I’m finally getting around to updating some of my old projects. Prism 7 comes with some neat new features, but also carries some API changes, so if your existing Xamarin.Forms application is on an older version and you want to update to the latest, there will be some leg work involved. In this post, we’ll explore how to migrate from Prism.Forms 6.x to 7.
Updating your Prism.Forms App to Prism.Forms 7+ by Joe Meyer
The MessagingCenter in Xamarin.Forms allows you to send messages from anywhere in your code and respond to it in another part of your application (could be your shared code or your platform specific code). In this article, Juliano shows a simple example of creating a little platform-specific popup using the MessagingCenter.
NOTE: Post is in Portuguese
MessagingCenter – Xamarin.Forms by Juliano Custódio