diff --git a/README.md b/README.md
index d7f75bd4a59..a6bed84d871 100644
--- a/README.md
+++ b/README.md
@@ -71,7 +71,7 @@ If you find OpenAPI Generator useful for work, please consider asking your compa
 [<img src="https://openapi-generator.tech/img/companies/designli.jpg" width="128" height="128">](https://designli.co?utm_source=openapi-generator&utm_medium=sponsorship&utm_campaign=oss-sponsorship)
 [<img src="https://openapi-generator.tech/img/companies/itm.png" width="128" height="128">](https://opensource.muenchen.de?utm_source=openapi-generator&utm_medium=sponsorship&utm_campaign=oss-sponsorship)
 [<img src="https://openapi-generator.tech/img/companies/kong.png" width="128" height="128">](https://konghq.com/products/kong-konnect?utm_medium=referral&utm_source=github&utm_campaign=platform&utm_content=openapi-generator)
-
+[<img src="https://openapi-generator.tech/img/companies/route4me.png" width="128" height="128">](https://route4me.com/?utm_source=openapi-generator&utm_medium=sponsorship&utm_campaign=oss-sponsorship)
 
 #### Thank you GoDaddy for sponsoring the domain names, Linode for sponsoring the VPS, Checkly for sponsoring the API monitoring and Gradle for sponsoring Develocity
 
diff --git a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs
index ccc8525ec83..b0822c334f5 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs
@@ -196,7 +196,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int32Range
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<int?> Int32RangeOption { get; private set; }
 
         /// <summary>
@@ -222,7 +222,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64Negative
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64NegativeOption { get; private set; }
 
         /// <summary>
@@ -235,7 +235,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64NegativeExclusive
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64NegativeExclusiveOption { get; private set; }
 
         /// <summary>
@@ -248,7 +248,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64Positive
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64PositiveOption { get; private set; }
 
         /// <summary>
@@ -261,7 +261,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64PositiveExclusive
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64PositiveExclusiveOption { get; private set; }
 
         /// <summary>
diff --git a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
index ccc8525ec83..b0822c334f5 100644
--- a/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
+++ b/samples/client/petstore/csharp/generichost/net4.7/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
@@ -196,7 +196,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int32Range
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<int?> Int32RangeOption { get; private set; }
 
         /// <summary>
@@ -222,7 +222,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64Negative
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64NegativeOption { get; private set; }
 
         /// <summary>
@@ -235,7 +235,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64NegativeExclusive
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64NegativeExclusiveOption { get; private set; }
 
         /// <summary>
@@ -248,7 +248,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64Positive
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64PositiveOption { get; private set; }
 
         /// <summary>
@@ -261,7 +261,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64PositiveExclusive
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64PositiveExclusiveOption { get; private set; }
 
         /// <summary>
diff --git a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs
index ccc8525ec83..b0822c334f5 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs
@@ -196,7 +196,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int32Range
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<int?> Int32RangeOption { get; private set; }
 
         /// <summary>
@@ -222,7 +222,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64Negative
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64NegativeOption { get; private set; }
 
         /// <summary>
@@ -235,7 +235,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64NegativeExclusive
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64NegativeExclusiveOption { get; private set; }
 
         /// <summary>
@@ -248,7 +248,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64Positive
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64PositiveOption { get; private set; }
 
         /// <summary>
@@ -261,7 +261,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64PositiveExclusive
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64PositiveExclusiveOption { get; private set; }
 
         /// <summary>
diff --git a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
index ccc8525ec83..b0822c334f5 100644
--- a/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
+++ b/samples/client/petstore/csharp/generichost/net4.8/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
@@ -196,7 +196,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int32Range
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<int?> Int32RangeOption { get; private set; }
 
         /// <summary>
@@ -222,7 +222,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64Negative
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64NegativeOption { get; private set; }
 
         /// <summary>
@@ -235,7 +235,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64NegativeExclusive
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64NegativeExclusiveOption { get; private set; }
 
         /// <summary>
@@ -248,7 +248,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64Positive
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64PositiveOption { get; private set; }
 
         /// <summary>
@@ -261,7 +261,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64PositiveExclusive
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64PositiveExclusiveOption { get; private set; }
 
         /// <summary>
diff --git a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs
index 909a36ff4bf..74dddf235e2 100644
--- a/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs
+++ b/samples/client/petstore/csharp/generichost/net8/FormModels/src/Org.OpenAPITools/Model/FormatTest.cs
@@ -196,7 +196,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int32Range
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<int?> Int32RangeOption { get; private set; }
 
         /// <summary>
@@ -222,7 +222,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64Negative
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64NegativeOption { get; private set; }
 
         /// <summary>
@@ -235,7 +235,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64NegativeExclusive
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64NegativeExclusiveOption { get; private set; }
 
         /// <summary>
@@ -248,7 +248,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64Positive
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64PositiveOption { get; private set; }
 
         /// <summary>
@@ -261,7 +261,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64PositiveExclusive
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64PositiveExclusiveOption { get; private set; }
 
         /// <summary>
diff --git a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/FormatTest.cs b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/FormatTest.cs
index 8cc65ff423b..5ba09166f39 100644
--- a/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/FormatTest.cs
+++ b/samples/client/petstore/csharp/generichost/net8/NullReferenceTypes/src/Org.OpenAPITools/Model/FormatTest.cs
@@ -198,7 +198,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int32Range
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<int?> Int32RangeOption { get; private set; }
 
         /// <summary>
@@ -224,7 +224,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64Negative
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64NegativeOption { get; private set; }
 
         /// <summary>
@@ -237,7 +237,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64NegativeExclusive
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64NegativeExclusiveOption { get; private set; }
 
         /// <summary>
@@ -250,7 +250,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64Positive
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64PositiveOption { get; private set; }
 
         /// <summary>
@@ -263,7 +263,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64PositiveExclusive
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64PositiveExclusiveOption { get; private set; }
 
         /// <summary>
diff --git a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
index 909a36ff4bf..74dddf235e2 100644
--- a/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
+++ b/samples/client/petstore/csharp/generichost/net8/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
@@ -196,7 +196,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int32Range
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<int?> Int32RangeOption { get; private set; }
 
         /// <summary>
@@ -222,7 +222,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64Negative
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64NegativeOption { get; private set; }
 
         /// <summary>
@@ -235,7 +235,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64NegativeExclusive
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64NegativeExclusiveOption { get; private set; }
 
         /// <summary>
@@ -248,7 +248,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64Positive
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64PositiveOption { get; private set; }
 
         /// <summary>
@@ -261,7 +261,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64PositiveExclusive
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64PositiveExclusiveOption { get; private set; }
 
         /// <summary>
diff --git a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/FormatTest.cs b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/FormatTest.cs
index 5de7cb1bba7..6ca85f86117 100644
--- a/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/FormatTest.cs
+++ b/samples/client/petstore/csharp/generichost/net8/SourceGeneration/src/Org.OpenAPITools/Model/FormatTest.cs
@@ -199,7 +199,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int32Range
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<int?> Int32RangeOption { get; private set; }
 
         /// <summary>
@@ -225,7 +225,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64Negative
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64NegativeOption { get; private set; }
 
         /// <summary>
@@ -238,7 +238,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64NegativeExclusive
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64NegativeExclusiveOption { get; private set; }
 
         /// <summary>
@@ -251,7 +251,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64Positive
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64PositiveOption { get; private set; }
 
         /// <summary>
@@ -264,7 +264,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64PositiveExclusive
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64PositiveExclusiveOption { get; private set; }
 
         /// <summary>
diff --git a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
index ccc8525ec83..b0822c334f5 100644
--- a/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
+++ b/samples/client/petstore/csharp/generichost/standard2.0/Petstore/src/Org.OpenAPITools/Model/FormatTest.cs
@@ -196,7 +196,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int32Range
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<int?> Int32RangeOption { get; private set; }
 
         /// <summary>
@@ -222,7 +222,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64Negative
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64NegativeOption { get; private set; }
 
         /// <summary>
@@ -235,7 +235,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64NegativeExclusive
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64NegativeExclusiveOption { get; private set; }
 
         /// <summary>
@@ -248,7 +248,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64Positive
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64PositiveOption { get; private set; }
 
         /// <summary>
@@ -261,7 +261,7 @@ namespace Org.OpenAPITools.Model
         /// Used to track the state of Int64PositiveExclusive
         /// </summary>
         [JsonIgnore]
-        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
+        [global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
         public Option<long?> Int64PositiveExclusiveOption { get; private set; }
 
         /// <summary>
diff --git a/samples/openapi3/client/petstore/go/go-petstore/model_filter_type_range.go b/samples/openapi3/client/petstore/go/go-petstore/model_filter_type_range.go
index 1997a473f62..cfb9c006444 100644
--- a/samples/openapi3/client/petstore/go/go-petstore/model_filter_type_range.go
+++ b/samples/openapi3/client/petstore/go/go-petstore/model_filter_type_range.go
@@ -69,6 +69,7 @@ func (o *FilterTypeRange) SetType(v string) {
 	o.Type = v
 }
 
+
 // GetData returns the Data field value if set, zero value otherwise.
 func (o *FilterTypeRange) GetData() []string {
 	if o == nil || IsNil(o.Data) {
@@ -131,6 +132,11 @@ func (o *FilterTypeRange) UnmarshalJSON(data []byte) (err error) {
 		"type",
 	}
 
+	// defaultValueFuncMap captures the default values for required properties.
+	// These values are used when required properties are missing from the payload.
+	defaultValueFuncMap := map[string]func() interface{} {
+	}
+	var defaultValueApplied bool
 	allProperties := make(map[string]interface{})
 
 	err = json.Unmarshal(data, &allProperties)
@@ -140,11 +146,23 @@ func (o *FilterTypeRange) UnmarshalJSON(data []byte) (err error) {
 	}
 
 	for _, requiredProperty := range(requiredProperties) {
-		if _, exists := allProperties[requiredProperty]; !exists {
+		if value, exists := allProperties[requiredProperty]; !exists || value == "" {
+			if _, ok := defaultValueFuncMap[requiredProperty]; ok {
+				allProperties[requiredProperty] = defaultValueFuncMap[requiredProperty]()
+				defaultValueApplied = true
+			}
+		}
+		if value, exists := allProperties[requiredProperty]; !exists || value == ""{
 			return fmt.Errorf("no value given for required property %v", requiredProperty)
 		}
 	}
 
+	if defaultValueApplied {
+		data, err = json.Marshal(allProperties)
+		if err != nil{
+			return err
+		}
+	}
 	varFilterTypeRange := _FilterTypeRange{}
 
 	err = json.Unmarshal(data, &varFilterTypeRange)
diff --git a/samples/openapi3/client/petstore/go/go-petstore/model_filter_type_regex.go b/samples/openapi3/client/petstore/go/go-petstore/model_filter_type_regex.go
index 3f562665a3e..7ee6c5013cb 100644
--- a/samples/openapi3/client/petstore/go/go-petstore/model_filter_type_regex.go
+++ b/samples/openapi3/client/petstore/go/go-petstore/model_filter_type_regex.go
@@ -69,6 +69,7 @@ func (o *FilterTypeRegex) SetType(v string) {
 	o.Type = v
 }
 
+
 // GetRegex returns the Regex field value if set, zero value otherwise.
 func (o *FilterTypeRegex) GetRegex() string {
 	if o == nil || IsNil(o.Regex) {
@@ -131,6 +132,11 @@ func (o *FilterTypeRegex) UnmarshalJSON(data []byte) (err error) {
 		"type",
 	}
 
+	// defaultValueFuncMap captures the default values for required properties.
+	// These values are used when required properties are missing from the payload.
+	defaultValueFuncMap := map[string]func() interface{} {
+	}
+	var defaultValueApplied bool
 	allProperties := make(map[string]interface{})
 
 	err = json.Unmarshal(data, &allProperties)
@@ -140,11 +146,23 @@ func (o *FilterTypeRegex) UnmarshalJSON(data []byte) (err error) {
 	}
 
 	for _, requiredProperty := range(requiredProperties) {
-		if _, exists := allProperties[requiredProperty]; !exists {
+		if value, exists := allProperties[requiredProperty]; !exists || value == "" {
+			if _, ok := defaultValueFuncMap[requiredProperty]; ok {
+				allProperties[requiredProperty] = defaultValueFuncMap[requiredProperty]()
+				defaultValueApplied = true
+			}
+		}
+		if value, exists := allProperties[requiredProperty]; !exists || value == ""{
 			return fmt.Errorf("no value given for required property %v", requiredProperty)
 		}
 	}
 
+	if defaultValueApplied {
+		data, err = json.Marshal(allProperties)
+		if err != nil{
+			return err
+		}
+	}
 	varFilterTypeRegex := _FilterTypeRegex{}
 
 	err = json.Unmarshal(data, &varFilterTypeRegex)
diff --git a/website/src/dynamic/sponsors.yml b/website/src/dynamic/sponsors.yml
index 56057721fe7..40d639888e5 100755
--- a/website/src/dynamic/sponsors.yml
+++ b/website/src/dynamic/sponsors.yml
@@ -128,3 +128,8 @@
   image: "img/companies/kong.png"
   infoLink: "https://konghq.com/products/kong-konnect?utm_medium=referral&utm_source=github&utm_campaign=platform&utm_content=openapi-generator"
   bronze: true
+-
+  caption: "Route4Me"
+  image: "img/companies/route4me.png"
+  infoLink: "https://route4me.com/?utm_source=openapi-generator&utm_medium=sponsorship&utm_campaign=oss-sponsorship"
+  bronze: true
diff --git a/website/static/img/companies/route4me.png b/website/static/img/companies/route4me.png
new file mode 100644
index 00000000000..463fef223fe
Binary files /dev/null and b/website/static/img/companies/route4me.png differ