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ASP.NET Core

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2026-11-03 blazor aspnetcore dotnet

Syncfusion Blazor Toolkit 2.0.1: 17 MIT Components, No License Key, No Data Grid

On October 29, 2026 Microsoft announced Syncfusion as a Blazor contributor. The headline is Syncfusion.Blazor.Toolkit 2.0.1: 17 MIT-licensed components for net8.0, net9.0 and net10.0, free for commercial use with no license key. Here is what is in it, how to wire it up, and where the commercial line is drawn.

2026-10-31 grpc aspnetcore dotnet

grpc-dotnet 2.85 Enforces MaxReceiveMessageSize After Decompression, Not Just Before

Grpc.AspNetCore and Grpc.Net.Client 2.85.0 now apply MaxReceiveMessageSize to the decompressed size of gzip and deflate messages. A 260 KB request that inflates to 256 MiB is rejected with ResourceExhausted, but legitimate large compressed payloads can start failing too.

2026-10-29 blazor mudblazor aspnetcore

MudBlazor 9.12: Slow ServerData and Autocomplete Searches No Longer Overwrite Newer Results

MudBlazor 9.12.0 fixes a long-standing race in MudAutocomplete, MudDataGrid and MudTable: the result of the search that finished last used to win, not the one started last. Here is how the fix works and what changes for your ServerData and SearchFunc code.

2026-10-28 errors csharp dotnet

Fix: Cannot access a disposed object. Object name: 'IServiceProvider'

Code resolved a service from a DI scope or root provider after it was disposed. Capture IServiceScopeFactory instead of IServiceProvider and create a fresh scope where the work runs.

2026-10-28 errors aspnetcore dotnet

Fix: Response.Cookies.Append does not set the cookie in the browser in ASP.NET Core

The Set-Cookie header is sent, but the browser rejects or never stores it. Fix SameSite=None without Secure, missing credentials: 'include' plus AllowCredentials, consent policy, and late Append calls.

2026-10-28 blazor aspnetcore dotnet

Ignite UI for Blazor goes MIT: 50+ free components in IgniteUI.Blazor.Lite 1.0.0

Infragistics open-sourced more than 50 Ignite UI for Blazor controls under MIT, shipped as IgniteUI.Blazor.Lite and IgniteUI.Blazor.GridLite 1.0.0 for net8.0, net9.0 and net10.0. Here is what is free, how to wire it up, and the gotchas.

2026-10-26 dotnet aspnetcore security

.NET 10.0.14 Ships Out-of-Band: Brotli Decompression Overflow and Two Re-Released October CVEs

The October 25, 2026 out-of-band release (.NET 8.0.33, 9.0.22, 10.0.14, 11 RC3) fixes a Brotli buffer overflow, a Linux tarball ownership flaw, and two CVEs the October 13 patches did not fully close.

2026-10-26 aspnetcore aspnet-core-10 static-files

How to serve static files from a folder outside wwwroot in ASP.NET Core

Add a second UseStaticFiles call with a PhysicalFileProvider and a RequestPath. Why MapStaticAssets can't do it, the absolute-path and content-root traps, dot files and unknown extensions, publishing the folder, and putting it behind authorization. Tested on ASP.NET Core 10.

2026-10-26 dotnet csharp logging

How to use a different Serilog output template per log level from appsettings.json

outputTemplate is fixed per sink, so per-level formatting needs either an ExpressionTemplate with {#if @l ...} blocks or two Logger sub-loggers with ByIncludingOnly / ByExcluding filters. Both configured purely from appsettings.json, tested on Serilog 4.4, Serilog.Settings.Configuration 10.0.1 and Serilog.Expressions 5.0.

2026-10-24 microsoft-agent-framework ag-ui dotnet

Agent Framework 1.26: AG-UI Endpoints Stop Turning Scoped Agents into Singletons

Microsoft Agent Framework 1.26.0 makes MapAGUIServer resolve the keyed AIAgent, its AgentSessionStore, and the isolation key provider per request, and adds a selector overload that picks the agent from the HttpContext.