.NET Core 2.1 Release: What To Expect in 2018 

This updated of the SDK includes the previously released .NET Core 2.0.3 Runtime.

Target Framework             Default for AnalysisLevel
net5.0                       5
netcoreapp3.1 or lower       4
netstandard2.1 or lower      4
.NET Framework 4.8 or lower  4

<Project Sdk="Microsoft.NET.Sdk">
  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>netcoreapp3.1</TargetFramework>
    <!-- get more advanced warnings for this project -->
    <AnalysisLevel>5</AnalysisLevel>
  </PropertyGroup>
</Project>

<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>netcoreapp3.1</TargetFramework>
    <!-- be automatically updated to the newest stable level -->
    <AnalysisLevel>latest</AnalysisLevel>
  </PropertyGroup>
</Project>

<AnalysisLevel>preview</AnalysisLevel>

<!-- I am just fine thanks -->
<AnalysisLevel>none</AnalysisLevel>

<PropertyGroup>
  <AnalysisMode>AllEnabledByDefault</AnalysisMode>
</PropertyGroup>

<PropertyGroup>
   <CodeAnalysisTreatWarningsAsErrors>false</CodeAnalysisTreatWarningsAsErrors>
</PropertyGroup>

<PropertyGroup>
   <EnableNETAnalyzers>true</EnableNETAnalyzers>
</PropertyGroup>

<PropertyGroup>
   <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
</PropertyGroup>

<Project>
  <PropertyGroup>
    <AnalysisLevel>latest</AnalysisLevel>
    <AnalysisMode>AllEnabledByDefault</AnalysisMode>
    <CodeAnalysisTreatWarningsAsErrors>true</CodeAnalysisTreatWarningsAsErrors>
    <EnableNETAnalyzers>true</EnableNETAnalyzers>
    <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
  </PropertyGroup>
</Project>

The React ecosystem is so large that it's helpful to be presented with some sound, standard options when selecting libraries for a new project. This is the latest annual update of an established list Robin maintains. 

These are the customer-reported issues addressed in 15.8.4:

• Constexpr function with explicit (void) parameter crashes MSVC 15.8.0 release.
• TypeScriptLspCodeActionProvider encountered an error and has been disabled.
• The 'Shared Web Components' package did not load correctly.
• Editing CSS with Browser Link enabled can crash Visual Studio.
• Service Fabric Deployment fails in 15.8.0.
• Incorrect error for constexpr pointer to members with VS2017 15.8.
• Constexpr doesn't support __declspec(dllimport) in VS2017 15.8.
• C++ VS 2017 Update 8 difference in member function pointer between C++14 and C++17 modes leads to crashes.
• TestExplorer locking up UI in latest build.
• [WebKit] "Already defined symbol" for static template member definition (regression).
• VS 15.8.0 Internal compiler error.
• Internal compiler error in constexpr function.
• Test Explorer Window remains blank with Express.
• Visual Studio 2017 fails to open on FIPS-enabled machine..
• VS2017 15.8 Internal Compiler Error 'msc1.cpp', line 1518 when evaluating simple constexpr function.
• Fatal error C1001 after update to VS 15.8.0.
• Migrating to VS2017 15.8: Internal compiler error when using constexpr functions as template parameters.
• Internal compiler error when compiling a template function with a constexpr in VC++ 15.8.0.
• Code generated by VC 15.8.1 compiler lead to crash. 

Bootstrap v5.2.1 is here with fixes from our latest minor release, v5.2. As a patch release, these changes are limited to bug fixes, documentation updates, and some dependency updates. 

Here’s the commands to install the .NET 6 SDK on Ubuntu 22.04:

sudo apt update
sudo apt install dotnet6 

Our latest patch release has arrived to improve our JavaScript plugins, address the / deprecation in Dart Sass, fix a few CSS bugs, and make some documentation improvements. 

• Solution Explorer: touch pad gesture scroll is too sensitive.
• C++/CLI: std::move causes std::unique_ptr parameter to be destructed before function call.
• live share shows "failed to sign in" .
• VS symbol search fails to find symbols.
• Undo randomly stops working.
• VS "Go to defintion" functionality frequently does not work.
• Linux CMake Intellisense HeaderCache not downloading headers for 15.8.0 Preview 4.0.
• When opening a project that requires elevated permissions, Visual Studio does not automatically open the selected project after restarting elevated.
• vcpkgsrv.exe crashes.
• New Visual Studio Code keymap not applying?. 

Performance is a feature of .NET. In every release the .NET team and community contributors spend time making performance improvements, so .NET apps are faster and use less resources.