Keep up with everything Windows Core OS with our handy guide that explains everything you need to know. 

This preview includes more than 50 bug fixes and functional enhancements. You can query our issue tracker for the full list of issues fixed in Preview 4, as well as for the issues fixed in Preview 3, and Preview 2. 

TDD means letting your tests drive your development (and your design). You can do that with unit tests, functional tests and acceptance tests. Usually, you use all three. 

Firefox Quantum is over twice as fast as Firefox from 6 months ago, built on a completely overhauled core engine with brand new technology stolen from our advanced research group, and graced with a beautiful new look designed to get out of the way and let you do what you do best: surf a ton of pages, open a zillion tabs, all guilt free because Firefox Quantum uses less memory than the competition 

turbo.js is a small library that makes it easier to perform complex calculations that can be done in parallel. The actual calculation performed (the kernel executed) uses the GPU for execution. This enables you to work on an array of values all at once.

turbo.js is compatible with all browsers (even IE when not using ES6 template strings) and most desktop and mobile GPUs. 

AutoMapper 8.1 adds a major new feature - attribute-based maps. Attribute maps let you easily declare maps on destination types when you have straightforward scenarios. Instead of: 

public class OrderProfile {  
    public OrderProfile() {
        CreateMap<Order, OrderIndexModel>();
        CreateMap<Order, OrderEditModel>();
        CreateMap<Order, OrderCreateModel>();
    }
}

You can declare your type maps directly on the destination types themselves with AutoMapAttribute: 

[AutoMap(typeof(Order))]
public class OrderIndexModel {  
    // members
}

[AutoMap(typeof(Order))]
public class OrderEditModel {  
    // members
}

[AutoMap(typeof(Order))]
public class OrderCreateModel {  
    // members
}

• Outstanding support for T4 templates is here with capabilities such as template execution, debugging, code highlighting, navigation, refactorings, code completion, and much more.