Troubleshooting pushNamed: type ‘MaterialPageRoute’ is not a subtype of type ‘Route’When using Navigator.pushNamed() in combination with type safety in Flutter, you might stumble across a type error. Let’s examine the cause and solutions.DateTime add and subtract & daylight saving timeThe combination of daylight saving times and DateTime.add() and DateTime.subtract() can cause unpredictable problems. Here’s what you can do about it.Widget overflowed by pixelsWorking with Row and Column can often lead to overflows. Here’s why and what you can do about it.No internet connection in Flutter release buildYou finally build your app for release and notice: no connection. What to do?