Rider EAP 18: CoreCLR debugging is back (on Windows)

Good news everyone! A fresh Rider Early Access Program (EAP) build is available for download!

Rider splash screen

Rider EAP 18 brings back CoreCLR debugging on Windows (Linux and Mac OS X will come later), the Invalid volume separator char solution load error has been fixed, there’s a UI to add COM references and display them in the Solution Explorer, and assorted bug fixes. In other words: things you want! Check out the list of fixes in this build for full details.

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Rider EAP update: Editor presentation improvements

Since we first released the Early Access Preview (EAP) of Rider, our cross-platform IDE, we’ve been hard at work improving many aspects of it. We spent quite some time improving visible (and invisible) aspects of the editor. Let’s look at some of the updates to code highlighting, folding and code completion.

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ReSharper, .NET Core and unit testing

In this post, we’re going to look at how ReSharper 2016.3 can help you unit test your .NET Core applications and libraries.

Sadly, before we can look at this, we have to deal with the confusing issue of what versions of .NET Core are supported.

TL;DR: ReSharper 2016.3 works with .NET Core projects in Visual Studio 2015 and Visual Studio 2017 “RC”, but unit testing only works in project.json based projects. The IDE interface to dotnet test was rewritten for the .csproj based projects in Visual Studio 2017 “RC” and only just documented. More details at the end of this post.

Unit testing in .NET Core

Right, let’s take a look at unit testing a .NET Core app or library.

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Rider EAP update: Code style settings and layers

Since our first public Early Access Preview (EAP) for Rider, we’ve been hard at work improving our cross-platform IDE for .NET development. Rider helps keeping a consistent code style throughout our code base, applying style settings that are based on widely accepted conventions and best practices. Since recently, we support code style settings, making it possible to set our personal our team code style preferences.

Code style settings

From Rider’s settings (Ctrl+Alt+S), under Editor | Code Style we can specify the style rules our IDE should follow when we’re writing or generating code, or when a refactoring is executed. For example, we can specify whether Rider should use var or explicit types.

Rider code style settings
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State of the union: ReSharper C# 7 and VB.NET 15 support

When we released ReSharper 2016.3 (and earlier this week, ReSharper 2017.1 EAP), we introduced initial support for C# 7 and VB.NET 15. For example, ReSharper now understands binary literals and digit separators, as well as local functions with several inspections. We’re far from feature complete, but want to look ahead at what’s coming in terms of new programming language features and what we are working on for ReSharper (including some of the challenges building out those features). Here goes!

In this post:

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Rider EAP 17: NuGet, unit testing, good and bad news on debugging

UPDATE: Rider EAP build 18 re-introduced CoreCLR debugging on Windows. Implementations for Linux and macOS will make their return later, stay tuned.


Ah, the scent of fresh software in the morning. We just published a fresh Rider Early Access Preview (EAP) version, go grab it! (Unless you’re about to debug .NET Core: if you are, read on first.)

Rider splash screen

What’s in this build? Significant performance improvements were made, shared projects are now supported, code inspection severity can be configured, settings for our unit test runner can be edited, various updates to the NuGet tool window UI, and more. Check out the list of fixes in this build if you feel like digging into details.

Before we proceed with good news about this build, we have to share some bad news: as of this build, we’re temporarily disabling CoreCLR debugging in Rider. Here’s why:

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ReSharper Ultimate 2017.1 EAP: what’s new in build 1

Last week we launched an Early Access Program for ReSharper Ultimate 2017.1. We hope that you’ve already downloaded the build and discovered some of the new features. Today we’d like to take a closer look at the most notable updates, which relate to the following product areas:

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Welcome to ReSharper Ultimate 2017.1 EAP

We are glad to announce the start of the Early Access Program for ReSharper Ultimate 2017.1, the first major update of this year that we expect to release this spring. Since the beginning of the year, we’ve been working hard on resolving compatibility issues with Visual Studio 2017, implementing support for C# 7, TypeScript 2.2 and Angular 2 templates syntax. We also enhanced code formatting rules and introduced initial support for EditorConfig.

Download ReSharper Ultimate 2017.1 EAP 1 and taste the new features.

ReSharper Ultimate 2017.1 EAP

You don’t need an active subscription to use the EAP, but please be aware that you may face unexpected performance issues or bugs. And if you encounter any, don’t hesitate to share your feedback with us in the comments section below and in our tracker.

Please, expect another blog post early next week with details about changes in the first EAP build.

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Working with multiple solutions in Rider

Since we opened the public Early Access Preview (EAP) for Rider, we have shipped a few updates that contained bugfixes as well as new features. We received great feedback from all of you, with one big request: “Make it possible to open multiple solutions at once”. Without further ado:

Multiple solutions can be opened in Rider

Let’s see how this works and how you configure Rider’s behavior.

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Redesigned filters in dotTrace 2016.3

If you are a long-term user of dotTrace Timeline Viewer, you’ve likely noticed some UI changes in dotTrace 2016.3. What has changed exactly and, more importantly, why were these changes made? Read on to find out.

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