diff --git a/ChangeLog.md b/ChangeLog.md
index 161e1d0b35..67b36e9f96 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -15,6 +15,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Fix analyzer [RCS1018](https://josefpihrt.github.io/docs/roslynator/analyzers/RCS1018) ([PR](https://github.com/dotnet/roslynator/pull/1510))
 - Fix analyzer [RCS1264](https://josefpihrt.github.io/docs/roslynator/analyzers/RCS1264) ([PR](https://github.com/dotnet/roslynator/pull/1511))
 
+### Changed
+
+- Bump Roslyn to 4.11.0 ([PR](https://github.com/dotnet/roslynator/pull/1483))
+  - Applies to CLI and testing library.
+
+### Removed
+
+- [CLI] Remove support for .NET SDK 6 ([PR](https://github.com/dotnet/roslynator/pull/1483))
+
 ## [4.12.4] - 2024-06-01
 
 ### Fixed
diff --git a/src/CommandLine/CommandLine.csproj b/src/CommandLine/CommandLine.csproj
index 5394bca232..bdd567146d 100644
--- a/src/CommandLine/CommandLine.csproj
+++ b/src/CommandLine/CommandLine.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(RoslynatorDotNetCli)' == true">
-    <TargetFrameworks>net6.0;net7.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>net7.0;net8.0</TargetFrameworks>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(RoslynatorCommandLine)' == true">
diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index dacd1f426d..efae532d43 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -31,8 +31,8 @@
   
   <PropertyGroup>
     <Version Condition="'$(Version)' == ''">1.0.0</Version>
-    <RoslynatorCliRoslynVersion>4.9.2</RoslynatorCliRoslynVersion>
-    <RoslynatorTestingRoslynVersion>4.9.2</RoslynatorTestingRoslynVersion>
+    <RoslynatorCliRoslynVersion>4.11.0</RoslynatorCliRoslynVersion>
+    <RoslynatorTestingRoslynVersion>4.11.0</RoslynatorTestingRoslynVersion>
     <RoslynatorAnalyzersPackageReferenceVersion>4.11.0</RoslynatorAnalyzersPackageReferenceVersion>
     <RoslynatorCliPackageVersion>$(RoslynatorCliVersion)</RoslynatorCliPackageVersion>
     <RoslynatorPackageVersion>$(Version)</RoslynatorPackageVersion>
diff --git a/src/Formatting.Analyzers.CodeFixes/CSharp/InitializerCodeFixProvider.cs b/src/Formatting.Analyzers.CodeFixes/CSharp/InitializerCodeFixProvider.cs
index d163ac9412..f06d897bb2 100644
--- a/src/Formatting.Analyzers.CodeFixes/CSharp/InitializerCodeFixProvider.cs
+++ b/src/Formatting.Analyzers.CodeFixes/CSharp/InitializerCodeFixProvider.cs
@@ -37,7 +37,7 @@ public override async Task RegisterCodeFixesAsync(CodeFixContext context)
                 {
                     CodeAction codeAction = CodeAction.Create(
                         "Put initializer on a single line",
-                        ct => SyntaxFormatter.ToSingleLineAsync(document, initializer, removeTrailingComma: true, ct),
+                        ct => SyntaxFormatter.ToSingleLineAsync(document, initializer, removeTrailingComma: false, ct),
                         GetEquivalenceKey(diagnostic));
 
                     context.RegisterCodeFix(codeAction, diagnostic);
diff --git a/src/Tests/Analyzers.Tests/RCS1104SimplifyConditionalExpressionTests.cs b/src/Tests/Analyzers.Tests/RCS1104SimplifyConditionalExpressionTests.cs
index 4037eeafe6..fbe63774e1 100644
--- a/src/Tests/Analyzers.Tests/RCS1104SimplifyConditionalExpressionTests.cs
+++ b/src/Tests/Analyzers.Tests/RCS1104SimplifyConditionalExpressionTests.cs
@@ -27,7 +27,7 @@ public class RCS1104SimplifyConditionalExpressionTests : AbstractCSharpDiagnosti
     [InlineData(@"[|f //a
               /*b*/ ? /*c*/ true //d
                                  /*e*/ : /*f*/ false|] /*g*/", @"f //a
-              /*b*/  /*c*/  //d
+                                 /*b*/  /*c*/  //d
                                  /*e*/  /*f*/  /*g*/")]
     public async Task Test_TrueFalse(string source, string expected)
     {
diff --git a/src/Tests/CSharp.Tests/SyntaxKindTests.cs b/src/Tests/CSharp.Tests/SyntaxKindTests.cs
index c3b7c340f5..574b84156a 100644
--- a/src/Tests/CSharp.Tests/SyntaxKindTests.cs
+++ b/src/Tests/CSharp.Tests/SyntaxKindTests.cs
@@ -588,6 +588,11 @@ public static void DetectNewSyntaxKinds()
                 case SyntaxKind.CollectionExpression:
                 case SyntaxKind.ExpressionElement:
                 case SyntaxKind.SpreadElement:
+                // new in 4.11.0
+                case SyntaxKind.AllowsConstraintClause:
+                case SyntaxKind.AllowsKeyword:
+                case SyntaxKind.RazorContentToken:
+                case SyntaxKind.RefStructConstraint:
                     {
                         break;
                     }
diff --git a/src/Tests/Formatting.Analyzers.Tests/RCS0048PutInitializerOnSingleLineTests.cs b/src/Tests/Formatting.Analyzers.Tests/RCS0048PutInitializerOnSingleLineTests.cs
index 498bf79643..a93a56bcdf 100644
--- a/src/Tests/Formatting.Analyzers.Tests/RCS0048PutInitializerOnSingleLineTests.cs
+++ b/src/Tests/Formatting.Analyzers.Tests/RCS0048PutInitializerOnSingleLineTests.cs
@@ -64,7 +64,7 @@ class C
 
     void M()
     {
-        var x = new C() { P = null };
+        var x = new C() { P = null, };
     }
 }
 ");
@@ -112,7 +112,7 @@ void M()
                 P =
                 new C()
             },
-            new C { P = new C() },
+            new C { P = new C(), },
         };
     }
 }
@@ -194,7 +194,7 @@ void M()
         var x = new C()
         {
             P2 = null,
-            P1 = { P2 = null }
+            P1 = { P2 = null, }
         };
     }
 }
@@ -346,7 +346,7 @@ class C
 ", @"
 class C
 {
-    string[] _f = { null };
+    string[] _f = { null, };
 }
 ");
     }
@@ -395,7 +395,7 @@ class C
 {
     void M()
     {
-        string[] x = { null };
+        string[] x = { null, };
     }
 }
 ");
diff --git a/src/Workspaces.Common/CSharp/SyntaxFormatter.cs b/src/Workspaces.Common/CSharp/SyntaxFormatter.cs
index dfb3431686..a91f9ca734 100644
--- a/src/Workspaces.Common/CSharp/SyntaxFormatter.cs
+++ b/src/Workspaces.Common/CSharp/SyntaxFormatter.cs
@@ -175,7 +175,7 @@ public static Task<Document> ToSingleLineAsync(
 
                     newParent = simpleAssignment
                         .WithRight(newInitializer)
-                        .WithOperatorToken(simpleAssignment.OperatorToken.WithTrailingTrivia(Space));
+                        .WithOperatorToken(simpleAssignment.OperatorToken.WithoutTrailingTrivia());
 
                     break;
                 }