.NET Blog

.NET Framework July 2020 Cumulative Update Preview for Windows 10, version 2004

Tara OverfieldJuly 31, 2020Jul 31, 202007/31/20

Today, we are releasing the July 2020 Cumulative Update Preview for .NET Framework 3.5 and 4.8 on Windows 10, version 2004. Quality and Reliability This release contains the following quality and reliability improvements. ASP.NET - Use FIPS-compliant hashes in ASP.Net telemetry data. - Addresses an issue where "Unspecified" was not an a

Learn about the latest .NET Productivity features

Mika DumontJuly 29, 2020Jul 29, 202007/29/20

The .NET Productivity team (a.k.a. Roslyn) is constantly thinking of new ways to make .NET developers more productive. We’ve been working hard to take the feedback you’ve sent us and turn it into tools that you want! In this post, I’ll cover some of the latest .NET productivity features available in Visual Studio 2019. Tooling improvem

.NET Framework July 2020 Cumulative Update Preview

Tara OverfieldJuly 21, 2020Jul 21, 202007/21/20

Today, we are releasing the July 2020 Cumulative Update Preview Updates for .NET Framework. Quality and Reliability This release contains the following quality and reliability improvements. ASP.NET - Use FIPS-compliant hashes in ASP.Net telemetry data. - Addresses an issue where "Unspecified" was not an allowed value in config for the '

Announcing Entity Framework Core EF Core 5.0 Preview 7

Jeremy LiknessJuly 21, 2020Jul 21, 202007/21/20

Today, the Entity Framework Core team announces the seventh preview release of EF Core 5.0. This release includes a factory to create DbContext instances, the ability to reset DbContext state, Cosmos DB improvements including enhanced support for configuration options and partition keys, and much more. In this post To summarize:

Announcing .NET 5.0 Preview 7

Rich Lander [MSFT]July 21, 2020Jul 21, 202007/21/20

Today, we're releasing .NET 5.0 Preview 7. It's the second to last of the preview releases (before moving to RC). Most features should be very close to done at this point. Single file and ARM64 intrinsics are two feature areas that are taking the longest time to complete, but are on track for Preview 8. See the .NET 5.0 Preview 4 post for a br

.NET Framework July 2020 Security and Quality Rollup Updates

Tara OverfieldJuly 14, 2020Jul 14, 202007/14/20

Today, we are releasing the July 2020 Security and Quality Rollup Updates for .NET Framework. Security CVE-2020-1147– .NET Framework Remote Code Execution Vulnerability A remote code execution vulnerability exists in .NET Framework, Microsoft SharePoint, and Visual Studio when the software fails to check the source markup of XML file

.NET Core July 2020 Updates – 2.1.20 and 3.1.6

Rahul Bhandari (MSFT)July 14, 2020Jul 14, 202007/14/20

Today, we are releasing the .NET Core July 2020 Update. These updates contain security and reliability fixes. See the individual release notes for details on updated packages. Security CVE-2020-1147: .NET Core Remote Code Execution Vulnerability Microsoft is releasing this security advisory to provide information about a vulnerability

Performance Improvements in .NET 5

Stephen Toub - MSFTJuly 13, 2020Jul 13, 202007/13/20

Explore many performance improvements, big and small, that have gone into the .NET 5 runtime and core libraries to make apps and services leaner and faster.

F# 5 and F# tools update for June

Phillip CarterJune 26, 2020Jun 26, 202006/26/20

We’re excited to announce more updates to F# 5 today! We shipped an initial set of features with F# 5 preview 1, and they have all been stabilizing since that release including a updates from last month. Today, we’re happy to announce some new language features, a sneak peek at using F# in VSCode notebooks, and some F# tooling updates that

Announcing Entity Framework Core EFCore 5.0 Preview 6

Jeremy LiknessJune 25, 2020Jun 25, 202006/25/20

Today, the Entity Framework Core team announces the sixth preview release of EF Core 5.0. This release includes split queries for related collections, a new "index" attribute, improved exceptions related to query translations, IP address mapping, exposing transaction id for correlation, and much more. Prerequisites EF Core 5.0 will not run o