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+--- Thread: ASP.NET Core and Blazor updates in .NET Core 3.0 Release Candidate 1 (/thread-92072.html)
ASP.NET Core and Blazor updates in .NET Core 3.0 Release Candidate 1 - xSicKxBot - 10-22-2019
ASP.NET Core and Blazor updates in .NET Core 3.0 Release Candidate 1
<div style="margin: 5px 5% 10px 5%;"><img src="https://www.sickgaming.net/blog/wp-content/uploads/2019/09/asp-net-core-and-blazor-updates-in-net-core-3-0-release-candidate-1.jpg" width="150" height="150" title="" alt="" /></div><div><div class="row justify-content-center">
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<div><img src="https://www.sickgaming.net/blog/wp-content/uploads/2019/09/asp-net-core-and-blazor-updates-in-net-core-3-0-release-candidate-1.jpg" width="58" height="58" alt="Daniel Roth" class="avatar avatar-58 wp-user-avatar wp-user-avatar-58 alignnone photo"></p>
<p>Daniel</p>
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<p>September 16th, 2019</p>
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<p><a href="https://devblogs.microsoft.com/dotnet/announcing-net-core-3-0-release-candidate-1/">.NET Core 3.0 Release Candidate 1 (RC1) is now available</a>. This release contains only a handful of bug fixes and closely represents what we expect to release for .NET Core 3.0.</p>
<p>Please see the <a href="https://aka.ms/netcore3releasenotes">release notes</a> for additional details and known issues.</p>
<h2>Get started</h2>
<p>To get started with ASP.NET Core in .NET Core 3.0 RC1 <a href="https://aka.ms/netcore3download">install the .NET Core 3.0 RC1 SDK</a>.</p>
<p>If you’re on Windows using Visual Studio, <a href="https://visualstudio.com/preview">install the latest preview of Visual Studio 2019</a>.</p>
<p><em>.NET Core 3.0 RC1 requires Visual Studio 2019 16.3 Preview 4 or later</em>.</p>
<p>There is also a Blazor WebAssembly preview update available with this release. This update to Blazor WebAssembly still has a Preview 9 version, but carries an updated build number. This is <em>not</em> a release candidate for Blazor WebAssembly. Blazor WebAssembly isn’t expected to ship as a stable release until some time after .NET Core 3.0 ships (details coming soon!).</p>
<p>To install the latest Blazor WebAssembly template run the following command:</p>
<pre><code>dotnet new -i Microsoft.AspNetCore.Blazor.Templates::3.0.0-preview9.19457.4
</code></pre>
<h2>Upgrade an existing project</h2>
<p>To upgrade an existing ASP.NET Core app to .NET Core 3.0 Preview 9, follow the <a href="https://docs.microsoft.com/en-us/aspnet/core/migration/22-to-30">migrations steps in the ASP.NET Core docs</a>.</p>
<p>Please also see the full list of <a href="https://github.com/aspnet/announcements/issues?utf8=%E2%9C%93&q=is%3Aissue+label%3A3.0.0+label%3A%22Breaking+change%22">breaking changes</a> in ASP.NET Core 3.0.</p>
<p>To upgrade an existing ASP.NET Core 3.0 Preview 9 project to RC1:</p>
<ul>
<li>Update all Microsoft.AspNetCore.* package references to 3.0.0-rc1.19457.4</li>
<li>Update all Microsoft.AspNetCore.Blazor.* package references to 3.0.0-preview9.19457.4</li>
</ul>
<p>That’s it You should now be all set to use .NET Core 3.0 RC1!</p>
<h2>Give feedback</h2>
<p>We hope you enjoy the new features in this preview release of ASP.NET Core and Blazor! Please let us know what you think by filing issues on <a href="https://github.com/aspnet/aspnetcore/issues">GitHub</a>.</p>
<p>Thanks for trying out ASP.NET Core and Blazor!</p>
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<h5><a class="no-underline" aria-label="Daniel Roth" target="_blank" href="https://devblogs.microsoft.com/aspnet/author/danroth27/" rel="noopener noreferrer">Daniel Roth</a></h5>
<p>Principal Program Manager, ASP.NET</p>
<p><strong>Follow Daniel</strong> <a class="no-underline stayinformed" aria-label="Daniel Roth Twitter profile" target="_blank" href="https://twitter.com/danroth27" rel="noopener noreferrer"><i class="fa fa-twitter"></i></a><a class="no-underline stayinformed" aria-label="Daniel Roth GitHub profile" target="_blank" href="https://github.com/danroth27" rel="noopener noreferrer"><i class="fa fa-github"></i></a><a class="no-underline stayinformed hvr-pop" aria-label="Daniel Roth RSS Feed" target="_blank" href="https://devblogs.microsoft.com/aspnet/author/danroth27/feed/" rel="noopener noreferrer"></a></p>
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