21 questions from the last 30 days
5
votes
2
answers
180
views
Is there a difference between the C# Volatile.ReadBarrier vs Volatile.Read?
In the released .NET 10 there is a new method added to the Volatile class with the name ReadBarrier().
And I don't know whether from the compilers perspective there is a difference if I do a read with ...
5
votes
1
answer
202
views
.NET 9 -> .NET 10: MongoDB query using array.Contains throws NotSupportedException
After upgrading from .NET 9 to .NET 10, a MongoDB query that used to work now throws a System.NotSupportedException during query execution. I'm looking for pointers whether this is a runtime change in ...
- 567
Best practices
0
votes
4
replies
60
views
Upgrading from .NET framework 4.8 VB.NET project to .NET 10
I have an application which was written years ago in VB.NET. Recently I migrated it to .NET framework 4.8. This change was smooth.
Now I am planning to migrate it to an ASP.NET Core 10 Web API using C#...
1
vote
1
answer
85
views
Serializing of polymorphic json in ASP.NET Core 10
I want to use polymorphic JSON for the RichText type in .NET 10 because I plan migrating from one richtext format to another and I am stuck with a problem: when the object is automatically serialized ...
- 103
1
vote
1
answer
154
views
.NET migrations with vulnerabilities
I am attempting to create a new EF Core migration using the add-migration command in the Visual Studio Package Manager, but the command is failing with the following error:
The running command ...
- 811
-7
votes
0
answers
82
views
Blazor onClick fails after switching to .Net 10 [closed]
I have a .Net 9.0 Blazor project that I've migrated to .Net 10.0 .
After the migration, the @onclick events no longer trigger.
The .Net 9.0 version was setup to use InteractiveServer rendering both on ...
- 4,276
0
votes
1
answer
99
views
Blazor with .NET 10 mode: @rendermode @(new InteractiveWebAssemblyRenderMode(prerender: false))
I am updating a Blazor web assembly project from .NET 9 to .NET 10, and noticed a change in behavior with the following line of code:
@rendermode @(new InteractiveWebAssemblyRenderMode(prerender: ...
- 17
3
votes
0
answers
148
views
Upgrading project to .NET 10 breaks Scalar support when using document transformers
I'm currently in the process of upgrading to .NET 10 from .NET 9, but unfortunately as usual the documentation of breaking changes seems to be lacking when it comes to certain functionality and ...
- 4,282
1
vote
0
answers
64
views
Start Android emulator with .NET Maui app from .NET Aspire dashboard
I have a .NET 10 MAUI app configured with Aspire 13. When I start the Aspire project and the dashboard launches, I ensure that the emulator is running.
Steps to reproduce
Start Visual Studio
Create a ...
- 11
Advice
0
votes
2
replies
34
views
ASP.NET Core 10 integration tests using multiple web projects/entry points
When creating integration tests for ASP.NET Core 10 web apps, we use the WebApplicationFactory<TEntryPoint> class. When a single ASP.NET Core web project is used as SUT, it's simple and it works:...
- 4,684
0
votes
0
answers
26
views
IL2026/IL3050 Warnings only visible via dotnet format, neither in Visual Studio 2026 nor via dotnet build /publish
After installing Visual Studio 2026 and .NET10 I noticed the following behavior:
I’m building an AOT project that uses DI. When I build and publish the project, the IL trimming/AOT warnings are not ...
