Try out Nullable Reference Types With the release of .NET Core 3.0 Preview 7, C# 8.0 is considered "feature complete". That means that the biggest feature of them all, Nullable Reference Types, is also locked down behavior-wise for the .NET Core release. It will continue to improve after C# 8.0, but it is now considered stable with the r...

TL;DR We've moved the F# GitHub repository from microsoft/visualfsharp to dotnet/fsharp, as specified in the corresponding RFC. F# has a somewhat strange history in its name and brand. If we roll back the clocks to the year 2015, F# sort of had two identities. One side of this was Visual F#, or "VisualFSharp"; a product within Visual Studio ...

We're excited to announce general availability of F# 4.6 and the F# tools for Visual Studio 2019! In this post, I'll show you how to get started, explain the F# 4.6 feature set, give you an update on the F# tools for Visual Studio, and talk about what we're doing next. F# 4.6 was developed entirely via an open RFC (requests for comments) process...

Starting with Visual Studio 2019 Preview 4, we'll be adjusting how C# versions are treated in .NET tooling. Firstly, we're adding two new Language Version (LangVersion) values: LatestMajor and Preview. Rad the post to see how they stack up with the currently supported list of values.

This post was written by Lena Hall, a Senior Cloud Developer Advocate at Microsoft. F# Software Foundation has recently announced their new initiative — Applied F# Challenge! We encourage you to participate and send your submissions about F# on Azure through the participation form. Applied F# Challenge is a new initiative to encourage in-dept...

F# 4.6 is now fully released. See the announcement blog post for more. We're excited to announce that Visual Studio 2019 will ship a new version of F# when it releases: F# 4.6! F# 4.6 is a smaller update to the F# language, making it a "true" point-release. As with previous versions of F#, F# 4.6 was developed entirely via an open RFC (reques...

Another preview of Visual Studio 2019, another update on the cool stuff going into it! We're pleased to announce some updates to the .NET Core tools for Visual Studio 2019. You can try these changes out starting with Preview 2. We'd love for you to try out these new features and give us feedback. Debugging console apps will use the new Integ...

Update! Starting with Visual Studio 2019, the option has moved to: Tools > Options > Environment > Preview Features Old post for posterity: Starting with Visual Studio 2017 version 15.9, we’ve changed how the Visual Studio tooling for .NET consumes .NET Core SDKs. Prior to this change, installing a preview version of the .NET Core SDK woul...

Today, we’re incredibly pleased to announce general availability of F# 4.5. This post will walk through the changes in F# 4.5 (just like the preview post), then show some updates to F# tooling, and finally talk a bit about where what we’re thinking about for the next F# version. Get started F# 4.5 can be acquired in two ways: If y...

Accounting for this change on Windows build servers: You may be doing one of the following things to install F# on a Windows build server. Installing the full Visual Studio IDE Installing the F# Compiler SDK MSI Neither of these options have been recommended for some time, but are still available with F# 4.1.