One of the downsides of XAML is that it can become very verbose. A specific area where this happens is when using a Grid and you start defining rows and columns. To overcome this, a change has been merged that will make your live (and XAML!) a whole lot easier. In this post you will learn how.
Simplifying Xamarin.Forms Grid Column and Row Definitions by Gerald
A lot of us love Xamarin.Forms and also love XAML. This #XamarinMonth entry from Andreas, sharing snippets of common XAML components we use like listview and collectionview, is definitely a really helpful one, not just for saving time but also helping you learn how the parts work if you are new to creating them.
Xamarin Month - XAML code snippets by Andreas Nesheim