A bit like images, fonts is one of those resources you want to include in your app but it was historically a bit of a pain. Gerald has written a great article on how to use custom fonts with the new embedded fonts feature. Luce actually used this exact post this week to add FiraCode to an app she is working on!
Embedded Fonts: Custom Fonts in Xamarin.Forms by Gerald Versluis
Although Xamarin.Forms has been using .NET Standard 2.0 for a while now, there are still projects out there using the old PCL format. Charlin does a great job of showing you how to not only migrate over but also how to update the other parts of your solution as well!
Updating Old Xamarin Forms Projects by Charlin Agramonte
Jesse and his team recently wanted to put a picker inside a ListView in Xamarin.Forms and wanted to be notified of changes in the picker. This is a great blog post on what they learned!
Picker within Listview by Jesse Liberty
Xamarin.Essentials recently introduced a WebAuthenticator class, which is a web navigation API that can be used for authentication with web services. The class contains a single method, AuthenticateAsync, which starts an authentication flow by navigating to a specified URI, and then waits for a callback/redirect to the redirect URI scheme. The whole point of the class is that it avoids having to write platform code to invoke native browsers.
Authentication from a Xamarin.Forms app using WebAuthenticator by David Britch
Even with iOS 13 having been out for quite a while now and Xamarin.Forms 4.5+ bringing a lot of improvements and fixes, I still find myself having to customise things for different projects (usually for the same reason as some of my other other posts: Graphic Designers and marketing people 😂).
Customising iOS Frame shadows in Xamarin.Forms 4.5+ by Matt Crombie