The purple warning notification of annoyance recently came my way!  I received the following warning: Publishing changes from background threads is not allowed; make sure to publish values from the main thread (via operators like receive(on:)) on model updates.  What was happening? The functionality of the code uses URLSession to get a user's name via API and the display is simple piece that initially message of Hello {user}. The view code consists of: MainView : View Main...

I had the issue where I needed to filter an array list by a specific column.  In my instance, the column is language.  To be able to reduce the query to the language column the code required is levels = selectedCategory?.levels.filter("language = %@", language)Language can be any string, in this instance for me language is a two alpha character such as 'fr', 'en' or 'de'. Further to this you can continue to chain this query through including sort as per levels =...