Operating system: Windows 11 Visual Studio version: Insiders [11222.16] SonarQube for Visual Studio plugin version: 9.1.0.15828 Programming language you’re coding in: C# 14 Is connected mode used: no Description of the problem: In .NET 10.0 (C# 14) SonarQube for Visual Studio plugin is giving S23…

This is (I guess) a duplicate of FP: S2325 does report on C# 14 extensions

SonarQube for Visual Studio is giving wrong warnings for extension blocks in the new C#14 syntax

Topic		Replies	Views
FP: S2325 does report on C# 14 extensions Report False-positive / False-negative... csharp , bump	11	556	January 23, 2026
Bad C# S1144 issues raised Visual Studio sonarqube-cloud	11	111	April 15, 2026
Extension Blocks False Postive - IDE Only IntelliJ Platform false-positive , bump	4	55	April 16, 2026
FP - S1144 - Unused private types or members should be removed - Extension Syntax Report False-positive / False-negative... csharp , visualstudio , dotnet , sonarqube-ide	7	249	March 19, 2026
SonarQube for IDE 9.x ignores NoWarn, SonarQube server & IDE 8.x respect it Visual Studio	12	81	January 29, 2026