diff --git a/dotnet/src/Agents/Abstractions/Agent.cs b/dotnet/src/Agents/Abstractions/Agent.cs
index 474ff1c886f8..383b5df27385 100644
--- a/dotnet/src/Agents/Abstractions/Agent.cs
+++ b/dotnet/src/Agents/Abstractions/Agent.cs
@@ -1,6 +1,7 @@
 // Copyright (c) Microsoft. All rights reserved.
 using System;
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.Extensions.Logging;
@@ -64,7 +65,10 @@ public abstract class Agent
     /// For example, two OpenAI Assistant agents each targeting a different Azure OpenAI endpoint
     /// would require their own channel. In this case, the endpoint could be expressed as an additional key.
     /// </remarks>
+    [Experimental("SKEXP0110")]
+#pragma warning disable CA1024 // Use properties where appropriate
     protected internal abstract IEnumerable<string> GetChannelKeys();
+#pragma warning restore CA1024 // Use properties where appropriate
 
     /// <summary>
     /// Produce an <see cref="AgentChannel"/> appropriate for the agent type.
@@ -75,6 +79,7 @@ public abstract class Agent
     /// Every agent conversation, or <see cref="AgentChat"/>, will establish one or more <see cref="AgentChannel"/>
     /// objects according to the specific <see cref="Agent"/> type.
     /// </remarks>
+    [Experimental("SKEXP0110")]
     protected internal abstract Task<AgentChannel> CreateChannelAsync(CancellationToken cancellationToken);
 
     /// <summary>
@@ -87,6 +92,7 @@ public abstract class Agent
     /// Every agent conversation, or <see cref="AgentChat"/>, will establish one or more <see cref="AgentChannel"/>
     /// objects according to the specific <see cref="Agent"/> type.
     /// </remarks>
+    [Experimental("SKEXP0110")]
     protected internal abstract Task<AgentChannel> RestoreChannelAsync(string channelState, CancellationToken cancellationToken);
 
     private ILogger? _logger;
diff --git a/dotnet/src/Agents/Abstractions/AgentChannel.cs b/dotnet/src/Agents/Abstractions/AgentChannel.cs
index e6c0f572e43e..56c631b0c1b9 100644
--- a/dotnet/src/Agents/Abstractions/AgentChannel.cs
+++ b/dotnet/src/Agents/Abstractions/AgentChannel.cs
@@ -1,5 +1,6 @@
 // Copyright (c) Microsoft. All rights reserved.
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.Extensions.Logging;
@@ -13,6 +14,7 @@ namespace Microsoft.SemanticKernel.Agents;
 /// <remarks>
 /// An agent provides it own <see cref="AgentChannel"/> via <see cref="Agent.CreateChannelAsync"/>.
 /// </remarks>
+[Experimental("SKEXP0110")]
 public abstract class AgentChannel
 {
     /// <summary>
@@ -83,6 +85,7 @@ protected internal abstract IAsyncEnumerable<StreamingChatMessageContent> Invoke
 /// An agent provides it own <see cref="AgentChannel"/> via <see cref="Agent.CreateChannelAsync"/>.
 /// This class is a convenience upcast to an agent for <see cref="AgentChannel{TAgent}.InvokeAsync(TAgent, CancellationToken)"/>.
 /// </remarks>
+[Experimental("SKEXP0110")]
 public abstract class AgentChannel<TAgent> : AgentChannel where TAgent : Agent
 {
     /// <summary>
diff --git a/dotnet/src/Agents/Abstractions/AgentChat.cs b/dotnet/src/Agents/Abstractions/AgentChat.cs
index 7549974a7a42..22b4077527e1 100644
--- a/dotnet/src/Agents/Abstractions/AgentChat.cs
+++ b/dotnet/src/Agents/Abstractions/AgentChat.cs
@@ -1,5 +1,6 @@
 // Copyright (c) Microsoft. All rights reserved.
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Runtime.CompilerServices;
 using System.Text.Json;
@@ -21,6 +22,7 @@ namespace Microsoft.SemanticKernel.Agents;
 /// <see cref="AgentChat" /> instances don't support concurrent invocation and
 /// will throw an exception if concurrent activity is attempted for any public method.
 /// </remarks>
+[Experimental("SKEXP0110")]
 public abstract class AgentChat
 {
     private readonly BroadcastQueue _broadcastQueue;
diff --git a/dotnet/src/Agents/Abstractions/AgentChatSerializer.cs b/dotnet/src/Agents/Abstractions/AgentChatSerializer.cs
index c5e56ad36cd5..b6174284d959 100644
--- a/dotnet/src/Agents/Abstractions/AgentChatSerializer.cs
+++ b/dotnet/src/Agents/Abstractions/AgentChatSerializer.cs
@@ -1,5 +1,6 @@
 // Copyright (c) Microsoft. All rights reserved.
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.IO;
 using System.Text.Json;
 using System.Text.Json.Serialization;
@@ -11,6 +12,7 @@ namespace Microsoft.SemanticKernel.Agents;
 /// <summary>
 /// Serializes and deserializes an <see cref="AgentChat"/>.
 /// </summary>
+[Experimental("SKEXP0110")]
 public sealed class AgentChatSerializer
 {
     private readonly AgentChatState _state;
diff --git a/dotnet/src/Agents/Abstractions/Agents.Abstractions.csproj b/dotnet/src/Agents/Abstractions/Agents.Abstractions.csproj
index fa5b1daa4910..5deea28529ca 100644
--- a/dotnet/src/Agents/Abstractions/Agents.Abstractions.csproj
+++ b/dotnet/src/Agents/Abstractions/Agents.Abstractions.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <!-- THIS PROPERTY GROUP MUST COME FIRST -->
@@ -6,7 +6,7 @@
     <RootNamespace>Microsoft.SemanticKernel.Agents</RootNamespace>
     <TargetFrameworks>net8.0;netstandard2.0</TargetFrameworks>
     <EnablePackageValidation>false</EnablePackageValidation>
-    <VersionSuffix>alpha</VersionSuffix>
+    <VersionSuffix>rc</VersionSuffix>
   </PropertyGroup>
 
   <Import Project="$(RepoRoot)/dotnet/nuget/nuget-package.props" />
diff --git a/dotnet/src/Agents/Abstractions/AggregatorAgent.cs b/dotnet/src/Agents/Abstractions/AggregatorAgent.cs
index e29c41ca57c9..8cde6b5a9001 100644
--- a/dotnet/src/Agents/Abstractions/AggregatorAgent.cs
+++ b/dotnet/src/Agents/Abstractions/AggregatorAgent.cs
@@ -1,6 +1,7 @@
 // Copyright (c) Microsoft. All rights reserved.
 using System;
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
@@ -12,6 +13,7 @@ namespace Microsoft.SemanticKernel.Agents;
 /// Defines the relationship between the internal aggregated chat and the chat
 /// with which <see cref="AggregatorAgent"/> is participating.
 /// </summary>
+[Experimental("SKEXP0110")]
 public enum AggregatorMode
 {
     /// <summary>
@@ -29,6 +31,7 @@ public enum AggregatorMode
 /// Allows an <see cref="AgentChat"/> to participate in another <see cref="AgentChat"/> as an <see cref="Agent"/>.
 /// </summary>
 /// <param name="chatProvider">A factory method that produces a new <see cref="AgentChat"/> instance.</param>
+[Experimental("SKEXP0110")]
 public sealed class AggregatorAgent(Func<AgentChat> chatProvider) : Agent
 {
     /// <summary>
diff --git a/dotnet/src/Agents/Abstractions/AggregatorChannel.cs b/dotnet/src/Agents/Abstractions/AggregatorChannel.cs
index f0dcf5736192..a002e41351af 100644
--- a/dotnet/src/Agents/Abstractions/AggregatorChannel.cs
+++ b/dotnet/src/Agents/Abstractions/AggregatorChannel.cs
@@ -1,5 +1,6 @@
 // Copyright (c) Microsoft. All rights reserved.
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Runtime.CompilerServices;
 using System.Text.Json;
@@ -11,6 +12,7 @@ namespace Microsoft.SemanticKernel.Agents;
 /// <summary>
 /// Adapt channel contract to underlying <see cref="AgentChat"/>.
 /// </summary>
+[Experimental("SKEXP0110")]
 internal sealed class AggregatorChannel(AgentChat chat) : AgentChannel<AggregatorAgent>
 {
     private readonly AgentChat _chat = chat;
diff --git a/dotnet/src/Agents/Abstractions/Internal/BroadcastQueue.cs b/dotnet/src/Agents/Abstractions/Internal/BroadcastQueue.cs
index 6a53ece7004d..5c3d6fcf7bb3 100644
--- a/dotnet/src/Agents/Abstractions/Internal/BroadcastQueue.cs
+++ b/dotnet/src/Agents/Abstractions/Internal/BroadcastQueue.cs
@@ -1,6 +1,7 @@
 // Copyright (c) Microsoft. All rights reserved.
 using System;
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Threading;
 using System.Threading.Tasks;
 using ChannelQueue = System.Collections.Generic.Queue<System.Collections.Generic.IReadOnlyList<Microsoft.SemanticKernel.ChatMessageContent>>;
@@ -21,6 +22,7 @@ namespace Microsoft.SemanticKernel.Agents.Internal;
 /// <see cref="BroadcastQueue"/> is never invoked concurrently, which eliminates
 /// race conditions over the queue dictionary.
 /// </remarks>
+[Experimental("SKEXP0110")]
 internal sealed class BroadcastQueue
 {
     private readonly Dictionary<string, QueueReference> _queues = [];
diff --git a/dotnet/src/Agents/Abstractions/Internal/ChannelReference.cs b/dotnet/src/Agents/Abstractions/Internal/ChannelReference.cs
index f49835355157..236e25415879 100644
--- a/dotnet/src/Agents/Abstractions/Internal/ChannelReference.cs
+++ b/dotnet/src/Agents/Abstractions/Internal/ChannelReference.cs
@@ -1,9 +1,12 @@
 // Copyright (c) Microsoft. All rights reserved.
+using System.Diagnostics.CodeAnalysis;
+
 namespace Microsoft.SemanticKernel.Agents.Internal;
 
 /// <summary>
 /// Tracks channel along with its hashed key.
 /// </summary>
+[Experimental("SKEXP0110")]
 internal readonly struct ChannelReference(AgentChannel channel, string hash)
 {
     /// <summary>
diff --git a/dotnet/src/Agents/Abstractions/Logging/AggregatorAgentLogMessages.cs b/dotnet/src/Agents/Abstractions/Logging/AggregatorAgentLogMessages.cs
index 441c9da117f5..08eb87c8613a 100644
--- a/dotnet/src/Agents/Abstractions/Logging/AggregatorAgentLogMessages.cs
+++ b/dotnet/src/Agents/Abstractions/Logging/AggregatorAgentLogMessages.cs
@@ -15,6 +15,7 @@ namespace Microsoft.SemanticKernel.Agents;
 /// generate logging code at compile time to achieve optimized code.
 /// </remarks>
 [ExcludeFromCodeCoverage]
+[Experimental("SKEXP0110")]
 internal static partial class AggregatorAgentLogMessages
 {
     /// <summary>
diff --git a/dotnet/src/Agents/Abstractions/Properties/AssemblyInfo.cs b/dotnet/src/Agents/Abstractions/Properties/AssemblyInfo.cs
deleted file mode 100644
index bd1c0f58314e..000000000000
--- a/dotnet/src/Agents/Abstractions/Properties/AssemblyInfo.cs
+++ /dev/null
@@ -1,6 +0,0 @@
-// Copyright (c) Microsoft. All rights reserved.
-
-using System.Diagnostics.CodeAnalysis;
-
-// This assembly is currently experimental.
-[assembly: Experimental("SKEXP0110")]
diff --git a/dotnet/src/Agents/Abstractions/Serialization/ChatMessageReference.cs b/dotnet/src/Agents/Abstractions/Serialization/ChatMessageReference.cs
index 2f66f67ac9f8..d69011639d86 100644
--- a/dotnet/src/Agents/Abstractions/Serialization/ChatMessageReference.cs
+++ b/dotnet/src/Agents/Abstractions/Serialization/ChatMessageReference.cs
@@ -1,5 +1,6 @@
 // Copyright (c) Microsoft. All rights reserved.
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Text.Json.Serialization;
 using Microsoft.SemanticKernel.ChatCompletion;
@@ -10,6 +11,7 @@ namespace Microsoft.SemanticKernel.Agents.Serialization;
 /// Represents a <see cref="ChatMessageContent"/> for serialization without metadata.
 /// </summary>
 /// <param name="message">The referenced message</param>
+[Experimental("SKEXP0110")]
 public sealed class ChatMessageReference(ChatMessageContent message)
 {
     /// <summary>
diff --git a/dotnet/src/Agents/AzureAI/Agents.AzureAI.csproj b/dotnet/src/Agents/AzureAI/Agents.AzureAI.csproj
index 1103ca422a05..5d26a6a16798 100644
--- a/dotnet/src/Agents/AzureAI/Agents.AzureAI.csproj
+++ b/dotnet/src/Agents/AzureAI/Agents.AzureAI.csproj
@@ -7,7 +7,7 @@
     <TargetFrameworks>net8.0;netstandard2.0</TargetFrameworks>
     <NoWarn>$(NoWarn);SKEXP0110</NoWarn>
     <EnablePackageValidation>false</EnablePackageValidation>
-    <VersionSuffix>alpha</VersionSuffix>
+    <VersionSuffix>preview</VersionSuffix>
   </PropertyGroup>
 
   <Import Project="$(RepoRoot)/dotnet/nuget/nuget-package.props" />
diff --git a/dotnet/src/Agents/Core/AgentGroupChat.cs b/dotnet/src/Agents/Core/AgentGroupChat.cs
index 320410f9e11a..1cdb3c638d4b 100644
--- a/dotnet/src/Agents/Core/AgentGroupChat.cs
+++ b/dotnet/src/Agents/Core/AgentGroupChat.cs
@@ -1,6 +1,7 @@
 // Copyright (c) Microsoft. All rights reserved.
 using System;
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Runtime.CompilerServices;
 using System.Threading;
@@ -15,6 +16,7 @@ namespace Microsoft.SemanticKernel.Agents;
 /// <summary>
 /// Represents an <see cref="AgentChat"/> that supports multi-turn interactions.
 /// </summary>
+[Experimental("SKEXP0110")]
 public sealed class AgentGroupChat : AgentChat
 {
     private readonly HashSet<string> _agentIds; // Efficient existence test O(1) vs O(n) for list.
diff --git a/dotnet/src/Agents/Core/Agents.Core.csproj b/dotnet/src/Agents/Core/Agents.Core.csproj
index c594e131f655..4311785f61c9 100644
--- a/dotnet/src/Agents/Core/Agents.Core.csproj
+++ b/dotnet/src/Agents/Core/Agents.Core.csproj
@@ -5,9 +5,9 @@
     <AssemblyName>Microsoft.SemanticKernel.Agents.Core</AssemblyName>
     <RootNamespace>Microsoft.SemanticKernel.Agents</RootNamespace>
     <TargetFrameworks>net8.0;netstandard2.0</TargetFrameworks>
-    <NoWarn>$(NoWarn);SKEXP0110</NoWarn>
+    <NoWarn>$(NoWarn);SKEXP0110;SKEXP0001</NoWarn>
     <EnablePackageValidation>false</EnablePackageValidation>
-    <VersionSuffix>alpha</VersionSuffix>
+    <VersionSuffix>preview</VersionSuffix>
   </PropertyGroup>
 
   <Import Project="$(RepoRoot)/dotnet/nuget/nuget-package.props" />
diff --git a/dotnet/src/Agents/Core/Chat/AgentGroupChatSettings.cs b/dotnet/src/Agents/Core/Chat/AgentGroupChatSettings.cs
index 2510408a59f0..e5399ab46133 100644
--- a/dotnet/src/Agents/Core/Chat/AgentGroupChatSettings.cs
+++ b/dotnet/src/Agents/Core/Chat/AgentGroupChatSettings.cs
@@ -1,5 +1,6 @@
 // Copyright (c) Microsoft. All rights reserved.
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Threading;
 using System.Threading.Tasks;
 
@@ -11,6 +12,7 @@ namespace Microsoft.SemanticKernel.Agents.Chat;
 /// <remarks>
 /// The default behavior results in no agent selection.
 /// </remarks>
+[Experimental("SKEXP0110")]
 public class AgentGroupChatSettings
 {
     /// <summary>
diff --git a/dotnet/src/Agents/Core/Chat/AggregatorTerminationStrategy.cs b/dotnet/src/Agents/Core/Chat/AggregatorTerminationStrategy.cs
index adf1761aeae1..3a0e8d7fac7b 100644
--- a/dotnet/src/Agents/Core/Chat/AggregatorTerminationStrategy.cs
+++ b/dotnet/src/Agents/Core/Chat/AggregatorTerminationStrategy.cs
@@ -1,5 +1,6 @@
 // Copyright (c) Microsoft. All rights reserved.
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
@@ -9,6 +10,7 @@ namespace Microsoft.SemanticKernel.Agents.Chat;
 /// <summary>
 /// Defines aggregation behavior for <see cref="AggregatorTerminationStrategy"/>.
 /// </summary>
+[Experimental("SKEXP0110")]
 public enum AggregateTerminationCondition
 {
     /// <summary>
@@ -26,6 +28,7 @@ public enum AggregateTerminationCondition
 /// Provides methods to aggregate a set of <see cref="TerminationStrategy"/> objects.
 /// </summary>
 /// <param name="strategies">The set of strategies upon which to aggregate.</param>
+[Experimental("SKEXP0110")]
 public sealed class AggregatorTerminationStrategy(params TerminationStrategy[] strategies) : TerminationStrategy
 {
     private readonly TerminationStrategy[] _strategies = strategies;
diff --git a/dotnet/src/Agents/Core/Chat/KernelFunctionSelectionStrategy.cs b/dotnet/src/Agents/Core/Chat/KernelFunctionSelectionStrategy.cs
index 6a67dbea4294..4fa3c001e2c8 100644
--- a/dotnet/src/Agents/Core/Chat/KernelFunctionSelectionStrategy.cs
+++ b/dotnet/src/Agents/Core/Chat/KernelFunctionSelectionStrategy.cs
@@ -2,6 +2,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
@@ -15,6 +16,7 @@ namespace Microsoft.SemanticKernel.Agents.Chat;
 /// </summary>
 /// <param name="function">A <see cref="KernelFunction"/> used for selection criteria.</param>
 /// <param name="kernel">A kernel instance with services for function execution.</param>
+[Experimental("SKEXP0110")]
 public class KernelFunctionSelectionStrategy(KernelFunction function, Kernel kernel) : SelectionStrategy
 {
     /// <summary>
diff --git a/dotnet/src/Agents/Core/Chat/KernelFunctionTerminationStrategy.cs b/dotnet/src/Agents/Core/Chat/KernelFunctionTerminationStrategy.cs
index f3f5c496fbf4..707aa46af466 100644
--- a/dotnet/src/Agents/Core/Chat/KernelFunctionTerminationStrategy.cs
+++ b/dotnet/src/Agents/Core/Chat/KernelFunctionTerminationStrategy.cs
@@ -2,6 +2,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
@@ -15,6 +16,7 @@ namespace Microsoft.SemanticKernel.Agents.Chat;
 /// </summary>
 /// <param name="function">A <see cref="KernelFunction"/> used for termination criteria.</param>
 /// <param name="kernel">A kernel instance with services for function execution.</param>
+[Experimental("SKEXP0110")]
 public class KernelFunctionTerminationStrategy(KernelFunction function, Kernel kernel) : TerminationStrategy
 {
     /// <summary>
diff --git a/dotnet/src/Agents/Core/Chat/RegExTerminationStrategy.cs b/dotnet/src/Agents/Core/Chat/RegExTerminationStrategy.cs
index 2745a325ee88..0b84c09b8c79 100644
--- a/dotnet/src/Agents/Core/Chat/RegExTerminationStrategy.cs
+++ b/dotnet/src/Agents/Core/Chat/RegExTerminationStrategy.cs
@@ -1,5 +1,6 @@
 // Copyright (c) Microsoft. All rights reserved.
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Text.RegularExpressions;
 using System.Threading;
@@ -11,6 +12,7 @@ namespace Microsoft.SemanticKernel.Agents.Chat;
 /// Signals termination when the most recent message matches against the defined regular expressions
 /// for the specified agent (if provided).
 /// </summary>
+[Experimental("SKEXP0110")]
 public sealed class RegexTerminationStrategy : TerminationStrategy
 {
     private readonly Regex[] _expressions;
diff --git a/dotnet/src/Agents/Core/Chat/SelectionStrategy.cs b/dotnet/src/Agents/Core/Chat/SelectionStrategy.cs
index 096102b0fbba..e9bca243ec9c 100644
--- a/dotnet/src/Agents/Core/Chat/SelectionStrategy.cs
+++ b/dotnet/src/Agents/Core/Chat/SelectionStrategy.cs
@@ -1,5 +1,6 @@
 // Copyright (c) Microsoft. All rights reserved.
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.Extensions.Logging;
@@ -10,6 +11,7 @@ namespace Microsoft.SemanticKernel.Agents.Chat;
 /// <summary>
 /// Provides a base strategy class for selecting the next agent for an <see cref="AgentGroupChat"/>.
 /// </summary>
+[Experimental("SKEXP0110")]
 public abstract class SelectionStrategy
 {
     /// <summary>
diff --git a/dotnet/src/Agents/Core/Chat/SequentialSelectionStrategy.cs b/dotnet/src/Agents/Core/Chat/SequentialSelectionStrategy.cs
index 6d27b5874171..9f71372f38d4 100644
--- a/dotnet/src/Agents/Core/Chat/SequentialSelectionStrategy.cs
+++ b/dotnet/src/Agents/Core/Chat/SequentialSelectionStrategy.cs
@@ -1,5 +1,6 @@
 // Copyright (c) Microsoft. All rights reserved.
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.SemanticKernel.Agents.Extensions;
@@ -10,6 +11,7 @@ namespace Microsoft.SemanticKernel.Agents.Chat;
 /// Represents a round-robin turn-taking strategy. Agent order is based on the order
 /// in which they joined <see cref="AgentGroupChat"/>.
 /// </summary>
+[Experimental("SKEXP0110")]
 public sealed class SequentialSelectionStrategy : SelectionStrategy
 {
     private int _index = -1;
diff --git a/dotnet/src/Agents/Core/Chat/TerminationStrategy.cs b/dotnet/src/Agents/Core/Chat/TerminationStrategy.cs
index e661d8dd9b4c..4a579a44fdf9 100644
--- a/dotnet/src/Agents/Core/Chat/TerminationStrategy.cs
+++ b/dotnet/src/Agents/Core/Chat/TerminationStrategy.cs
@@ -1,5 +1,6 @@
 // Copyright (c) Microsoft. All rights reserved.
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
@@ -12,6 +13,7 @@ namespace Microsoft.SemanticKernel.Agents.Chat;
 /// <summary>
 /// Provides a base strategy class for defining termination criteria for an <see cref="AgentGroupChat"/>.
 /// </summary>
+[Experimental("SKEXP0110")]
 public abstract class TerminationStrategy
 {
     /// <summary>
diff --git a/dotnet/src/Agents/Core/ChatCompletionAgent.cs b/dotnet/src/Agents/Core/ChatCompletionAgent.cs
index 527e633bf443..ed3f1ce3d2c6 100644
--- a/dotnet/src/Agents/Core/ChatCompletionAgent.cs
+++ b/dotnet/src/Agents/Core/ChatCompletionAgent.cs
@@ -2,6 +2,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Runtime.CompilerServices;
 using System.Text;
 using System.Text.Json;
@@ -87,6 +88,7 @@ public override IAsyncEnumerable<StreamingChatMessageContent> InvokeStreamingAsy
     }
 
     /// <inheritdoc/>
+    [Experimental("SKEXP0110")]
     protected override Task<AgentChannel> RestoreChannelAsync(string channelState, CancellationToken cancellationToken)
     {
         ChatHistory history =
diff --git a/dotnet/src/Agents/Core/ChatHistoryChannel.cs b/dotnet/src/Agents/Core/ChatHistoryChannel.cs
index d93b5f9f73b2..4b44a5cd9fec 100644
--- a/dotnet/src/Agents/Core/ChatHistoryChannel.cs
+++ b/dotnet/src/Agents/Core/ChatHistoryChannel.cs
@@ -1,6 +1,7 @@
 // Copyright (c) Microsoft. All rights reserved.
 using System;
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Runtime.CompilerServices;
 using System.Text.Json;
@@ -15,6 +16,7 @@ namespace Microsoft.SemanticKernel.Agents;
 /// <summary>
 /// Represents an <see cref="AgentChannel"/> specialization that acts upon a <see cref="ChatHistoryKernelAgent"/>.
 /// </summary>
+[Experimental("SKEXP0110")]
 internal sealed class ChatHistoryChannel : AgentChannel
 {
     // Supported content types for <see cref="ReceiveAsync"/> when
diff --git a/dotnet/src/Agents/Core/ChatHistoryKernelAgent.cs b/dotnet/src/Agents/Core/ChatHistoryKernelAgent.cs
index 1e18ff4b2282..f3572a75d3c2 100644
--- a/dotnet/src/Agents/Core/ChatHistoryKernelAgent.cs
+++ b/dotnet/src/Agents/Core/ChatHistoryKernelAgent.cs
@@ -1,6 +1,7 @@
 // Copyright (c) Microsoft. All rights reserved.
 
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Globalization;
 using System.Threading;
 using System.Threading.Tasks;
@@ -25,6 +26,7 @@ public abstract class ChatHistoryKernelAgent : KernelAgent
     /// The reducer is automatically applied to the history before invoking the agent, only when using
     /// an <see cref="AgentChat"/>. It must be explicitly applied via <see cref="ReduceAsync"/>.
     /// </remarks>
+    [Experimental("SKEXP0110")]
     public IChatHistoryReducer? HistoryReducer { get; init; }
 
     /// <summary>
@@ -61,10 +63,12 @@ public abstract IAsyncEnumerable<StreamingChatMessageContent> InvokeStreamingAsy
     /// <param name="history">The source history.</param>
     /// <param name="cancellationToken">The <see cref="CancellationToken"/> to monitor for cancellation requests. The default is <see cref="CancellationToken.None"/>.</param>
     /// <returns><see langword="true"/> if reduction occurred.</returns>
+    [Experimental("SKEXP0110")]
     public Task<bool> ReduceAsync(ChatHistory history, CancellationToken cancellationToken = default) =>
         history.ReduceInPlaceAsync(this.HistoryReducer, cancellationToken);
 
     /// <inheritdoc/>
+    [Experimental("SKEXP0110")]
     protected sealed override IEnumerable<string> GetChannelKeys()
     {
         yield return typeof(ChatHistoryChannel).FullName!;
@@ -82,6 +86,7 @@ protected sealed override IEnumerable<string> GetChannelKeys()
     }
 
     /// <inheritdoc/>
+    [Experimental("SKEXP0110")]
     protected sealed override Task<AgentChannel> CreateChannelAsync(CancellationToken cancellationToken)
     {
         ChatHistoryChannel channel =
diff --git a/dotnet/src/Agents/Core/Internal/ChatMessageForPrompt.cs b/dotnet/src/Agents/Core/Internal/ChatMessageForPrompt.cs
index 8d970988466b..ecedad3c04af 100644
--- a/dotnet/src/Agents/Core/Internal/ChatMessageForPrompt.cs
+++ b/dotnet/src/Agents/Core/Internal/ChatMessageForPrompt.cs
@@ -24,7 +24,9 @@ internal sealed class ChatMessageForPrompt(ChatMessageContent message)
     /// The referenced <see cref="ChatMessageContent.AuthorName"/> property.
     /// </summary>
     [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+#pragma warning disable SKEXP0001
     public string? Name => message.AuthorName;
+#pragma warning restore SKEXP0001
 
     /// <summary>
     /// The referenced <see cref="ChatMessageContent.Content"/> property.
diff --git a/dotnet/src/Agents/Core/Logging/AgentGroupChatLogMessages.cs b/dotnet/src/Agents/Core/Logging/AgentGroupChatLogMessages.cs
index 81552b57887e..59835f576c4f 100644
--- a/dotnet/src/Agents/Core/Logging/AgentGroupChatLogMessages.cs
+++ b/dotnet/src/Agents/Core/Logging/AgentGroupChatLogMessages.cs
@@ -18,6 +18,7 @@ namespace Microsoft.SemanticKernel.Agents;
 /// generate logging code at compile time to achieve optimized code.
 /// </remarks>
 [ExcludeFromCodeCoverage]
+[Experimental("SKEXP0110")]
 internal static partial class AgentGroupChatLogMessages
 {
     /// <summary>
diff --git a/dotnet/src/Agents/Core/Logging/AggregatorTerminationStrategyLogMessages.cs b/dotnet/src/Agents/Core/Logging/AggregatorTerminationStrategyLogMessages.cs
index 777ec8806ec7..de2e18d63d8c 100644
--- a/dotnet/src/Agents/Core/Logging/AggregatorTerminationStrategyLogMessages.cs
+++ b/dotnet/src/Agents/Core/Logging/AggregatorTerminationStrategyLogMessages.cs
@@ -14,6 +14,7 @@ namespace Microsoft.SemanticKernel.Agents.Chat;
 /// generate logging code at compile time to achieve optimized code.
 /// </remarks>
 [ExcludeFromCodeCoverage]
+[Experimental("SKEXP0110")]
 internal static partial class AggregatorTerminationStrategyLogMessages
 {
     /// <summary>
diff --git a/dotnet/src/Agents/Core/Logging/KernelFunctionSelectionStrategyLogMessages.cs b/dotnet/src/Agents/Core/Logging/KernelFunctionSelectionStrategyLogMessages.cs
index c846f5e2534e..0da707a0c096 100644
--- a/dotnet/src/Agents/Core/Logging/KernelFunctionSelectionStrategyLogMessages.cs
+++ b/dotnet/src/Agents/Core/Logging/KernelFunctionSelectionStrategyLogMessages.cs
@@ -15,6 +15,7 @@ namespace Microsoft.SemanticKernel.Agents.Chat;
 /// generate logging code at compile time to achieve optimized code.
 /// </remarks>
 [ExcludeFromCodeCoverage]
+[Experimental("SKEXP0110")]
 internal static partial class KernelFunctionStrategyLogMessages
 {
     /// <summary>
diff --git a/dotnet/src/Agents/Core/Logging/KernelFunctionTerminationStrategyLogMessages.cs b/dotnet/src/Agents/Core/Logging/KernelFunctionTerminationStrategyLogMessages.cs
index 61a4dea167b5..bd110c54fc8c 100644
--- a/dotnet/src/Agents/Core/Logging/KernelFunctionTerminationStrategyLogMessages.cs
+++ b/dotnet/src/Agents/Core/Logging/KernelFunctionTerminationStrategyLogMessages.cs
@@ -15,6 +15,7 @@ namespace Microsoft.SemanticKernel.Agents.Chat;
 /// generate logging code at compile time to achieve optimized code.
 /// </remarks>
 [ExcludeFromCodeCoverage]
+[Experimental("SKEXP0110")]
 internal static partial class KernelFunctionTerminationStrategyLogMessages
 {
     /// <summary>
diff --git a/dotnet/src/Agents/Core/Logging/RegExTerminationStrategyLogMessages.cs b/dotnet/src/Agents/Core/Logging/RegExTerminationStrategyLogMessages.cs
index a748158252b7..0f85053bb570 100644
--- a/dotnet/src/Agents/Core/Logging/RegExTerminationStrategyLogMessages.cs
+++ b/dotnet/src/Agents/Core/Logging/RegExTerminationStrategyLogMessages.cs
@@ -15,6 +15,7 @@ namespace Microsoft.SemanticKernel.Agents.Chat;
 /// generate logging code at compile time to achieve optimized code.
 /// </remarks>
 [ExcludeFromCodeCoverage]
+[Experimental("SKEXP0110")]
 internal static partial class RegExTerminationStrategyLogMessages
 {
     /// <summary>
diff --git a/dotnet/src/Agents/Core/Logging/SequentialSelectionStrategyLogMessages.cs b/dotnet/src/Agents/Core/Logging/SequentialSelectionStrategyLogMessages.cs
index 7af1ddd93b63..6b32b574dd69 100644
--- a/dotnet/src/Agents/Core/Logging/SequentialSelectionStrategyLogMessages.cs
+++ b/dotnet/src/Agents/Core/Logging/SequentialSelectionStrategyLogMessages.cs
@@ -14,6 +14,7 @@ namespace Microsoft.SemanticKernel.Agents.Chat;
 /// generate logging code at compile time to achieve optimized code.
 /// </remarks>
 [ExcludeFromCodeCoverage]
+[Experimental("SKEXP0110")]
 internal static partial class SequentialSelectionStrategyLogMessages
 {
     /// <summary>
diff --git a/dotnet/src/Agents/Core/Logging/TerminationStrategyLogMessages.cs b/dotnet/src/Agents/Core/Logging/TerminationStrategyLogMessages.cs
index 79f2e2047f8b..365c262c819f 100644
--- a/dotnet/src/Agents/Core/Logging/TerminationStrategyLogMessages.cs
+++ b/dotnet/src/Agents/Core/Logging/TerminationStrategyLogMessages.cs
@@ -15,6 +15,7 @@ namespace Microsoft.SemanticKernel.Agents.Chat;
 /// generate logging code at compile time to achieve optimized code.
 /// </remarks>
 [ExcludeFromCodeCoverage]
+[Experimental("SKEXP0110")]
 internal static partial class TerminationStrategyLogMessages
 {
     /// <summary>
diff --git a/dotnet/src/Agents/Core/Properties/AssemblyInfo.cs b/dotnet/src/Agents/Core/Properties/AssemblyInfo.cs
deleted file mode 100644
index bd1c0f58314e..000000000000
--- a/dotnet/src/Agents/Core/Properties/AssemblyInfo.cs
+++ /dev/null
@@ -1,6 +0,0 @@
-// Copyright (c) Microsoft. All rights reserved.
-
-using System.Diagnostics.CodeAnalysis;
-
-// This assembly is currently experimental.
-[assembly: Experimental("SKEXP0110")]
diff --git a/dotnet/src/Agents/OpenAI/Agents.OpenAI.csproj b/dotnet/src/Agents/OpenAI/Agents.OpenAI.csproj
index c03d06e6e999..bb5de10306b1 100644
--- a/dotnet/src/Agents/OpenAI/Agents.OpenAI.csproj
+++ b/dotnet/src/Agents/OpenAI/Agents.OpenAI.csproj
@@ -5,9 +5,8 @@
     <AssemblyName>Microsoft.SemanticKernel.Agents.OpenAI</AssemblyName>
     <RootNamespace>Microsoft.SemanticKernel.Agents.OpenAI</RootNamespace>
     <TargetFrameworks>net8.0;netstandard2.0</TargetFrameworks>
-    <NoWarn>$(NoWarn);SKEXP0110</NoWarn>
+    <NoWarn>$(NoWarn);SKEXP0110;SKEXP0001;OPENAI001;NU5104</NoWarn>
     <EnablePackageValidation>false</EnablePackageValidation>
-    <VersionSuffix>alpha</VersionSuffix>
   </PropertyGroup>
 
   <Import Project="$(RepoRoot)/dotnet/nuget/nuget-package.props" />
diff --git a/dotnet/src/Agents/OpenAI/OpenAIAssistantAgent.cs b/dotnet/src/Agents/OpenAI/OpenAIAssistantAgent.cs
index 7beb380f5bc4..c8d300874c60 100644
--- a/dotnet/src/Agents/OpenAI/OpenAIAssistantAgent.cs
+++ b/dotnet/src/Agents/OpenAI/OpenAIAssistantAgent.cs
@@ -2,6 +2,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Runtime.CompilerServices;
 using System.Text.Json;
@@ -87,6 +88,7 @@ public OpenAIAssistantAgent(
     /// <remarks>
     /// An assistant removed by other means will result in an exception when invoked.
     /// </remarks>
+    [Experimental("SKEXP0110")]
     [Obsolete("Use the OpenAI.Assistants.AssistantClient to manage the Assistant definition lifecycle.")]
     public bool IsDeleted { get; private set; }
 
@@ -111,9 +113,12 @@ public OpenAIAssistantAgent(
     /// <param name="templateFactory">An prompt template factory to produce the <see cref="IPromptTemplate"/> for the agent.</param>
     /// <param name="cancellationToken">The <see cref="CancellationToken"/> to monitor for cancellation requests. The default is <see cref="CancellationToken.None"/>.</param>
     /// <returns>An <see cref="OpenAIAssistantAgent"/> instance.</returns>
+    [Experimental("SKEXP0110")]
     [Obsolete("Use the OpenAI.Assistants.AssistantClient to create an assistant (CreateAssistantFromTemplateAsync).")]
     public static async Task<OpenAIAssistantAgent> CreateFromTemplateAsync(
+#pragma warning disable SKEXP0110 // Type is for evaluation purposes only and is subject to change or removal in future updates. Suppress this diagnostic to proceed.
         OpenAIClientProvider clientProvider,
+#pragma warning restore SKEXP0110 // Type is for evaluation purposes only and is subject to change or removal in future updates. Suppress this diagnostic to proceed.
         OpenAIAssistantCapabilities capabilities,
         Kernel kernel,
         KernelArguments defaultArguments,
@@ -158,9 +163,12 @@ public static async Task<OpenAIAssistantAgent> CreateFromTemplateAsync(
     /// <param name="defaultArguments">Optional default arguments, including any <see cref="PromptExecutionSettings"/>.</param>
     /// <param name="cancellationToken">The <see cref="CancellationToken"/> to monitor for cancellation requests. The default is <see cref="CancellationToken.None"/>.</param>
     /// <returns>An <see cref="OpenAIAssistantAgent"/> instance.</returns>
+    [Experimental("SKEXP0110")]
     [Obsolete("Use the OpenAI.Assistants.AssistantClient to create an assistant (CreateAssistantAsync).")]
     public static async Task<OpenAIAssistantAgent> CreateAsync(
+#pragma warning disable SKEXP0110 // Type is for evaluation purposes only and is subject to change or removal in future updates. Suppress this diagnostic to proceed.
         OpenAIClientProvider clientProvider,
+#pragma warning restore SKEXP0110 // Type is for evaluation purposes only and is subject to change or removal in future updates. Suppress this diagnostic to proceed.
         OpenAIAssistantDefinition definition,
         Kernel kernel,
         KernelArguments? defaultArguments = null,
@@ -193,9 +201,12 @@ public static async Task<OpenAIAssistantAgent> CreateAsync(
     /// <param name="clientProvider">The configuration for accessing the API service.</param>
     /// <param name="cancellationToken">The <see cref="CancellationToken"/> to monitor for cancellation requests. The default is <see cref="CancellationToken.None"/>.</param>
     /// <returns>A list of <see cref="OpenAIAssistantDefinition"/> objects.</returns>
+    [Experimental("SKEXP0110")]
     [Obsolete("Use the OpenAI.Assistants.AssistantClient to query for assistant definitions (GetAssistantsAsync).")]
     public static async IAsyncEnumerable<OpenAIAssistantDefinition> ListDefinitionsAsync(
+#pragma warning disable SKEXP0110 // Type is for evaluation purposes only and is subject to change or removal in future updates. Suppress this diagnostic to proceed.
         OpenAIClientProvider clientProvider,
+#pragma warning restore SKEXP0110 // Type is for evaluation purposes only and is subject to change or removal in future updates. Suppress this diagnostic to proceed.
         [EnumeratorCancellation] CancellationToken cancellationToken = default)
     {
         // Create the client
@@ -218,9 +229,12 @@ public static async IAsyncEnumerable<OpenAIAssistantDefinition> ListDefinitionsA
     /// <param name="templateFactory">An optional factory to produce the <see cref="IPromptTemplate"/> for the agent.</param>
     /// <param name="cancellationToken">The <see cref="CancellationToken"/> to monitor for cancellation requests. The default is <see cref="CancellationToken.None"/>.</param>
     /// <returns>An <see cref="OpenAIAssistantAgent"/> instance.</returns>
+    [Experimental("SKEXP0110")]
     [Obsolete("Use the OpenAI.Assistants.AssistantClient to retrieve an assistant definition (GetAssistantsAsync).")]
     public static async Task<OpenAIAssistantAgent> RetrieveAsync(
+#pragma warning disable SKEXP0110 // Type is for evaluation purposes only and is subject to change or removal in future updates. Suppress this diagnostic to proceed.
         OpenAIClientProvider clientProvider,
+#pragma warning restore SKEXP0110 // Type is for evaluation purposes only and is subject to change or removal in future updates. Suppress this diagnostic to proceed.
         string id,
         Kernel kernel,
         KernelArguments? defaultArguments = null,
@@ -259,6 +273,7 @@ public static async Task<OpenAIAssistantAgent> RetrieveAsync(
     /// </summary>
     /// <param name="cancellationToken">The <see cref="CancellationToken"/> to monitor for cancellation requests. The default is <see cref="CancellationToken.None"/>.</param>
     /// <returns>The thread identifier.</returns>
+    [Experimental("SKEXP0110")]
     [Obsolete("Use the OpenAI.Assistants.AssistantClient to create a thread.")]
     public Task<string> CreateThreadAsync(CancellationToken cancellationToken = default)
         => this.CreateThreadAsync(options: null, cancellationToken);
@@ -269,6 +284,7 @@ public Task<string> CreateThreadAsync(CancellationToken cancellationToken = defa
     /// <param name="options">The options for creating the thread.</param>
     /// <param name="cancellationToken">The <see cref="CancellationToken"/> to monitor for cancellation requests. The default is <see cref="CancellationToken.None"/>.</param>
     /// <returns>The thread identifier.</returns>
+    [Experimental("SKEXP0110")]
     [Obsolete("Use the OpenAI.Assistants.AssistantClient to create a thread.")]
     public Task<string> CreateThreadAsync(OpenAIThreadCreationOptions? options, CancellationToken cancellationToken = default)
         => this.Client.CreateThreadAsync(
@@ -284,6 +300,7 @@ public Task<string> CreateThreadAsync(OpenAIThreadCreationOptions? options, Canc
     /// <param name="threadId">The thread identifier.</param>
     /// <param name="cancellationToken">The <see cref="CancellationToken"/> to monitor for cancellation requests. The default is <see cref="CancellationToken.None"/>.</param>
     /// <returns>The thread identifier.</returns>
+    [Experimental("SKEXP0110")]
     [Obsolete("Use the OpenAI.Assistants.AssistantClient to delete an existing thread.")]
     public async Task<bool> DeleteThreadAsync(
         string threadId,
@@ -330,6 +347,7 @@ public IAsyncEnumerable<ChatMessageContent> GetThreadMessagesAsync(string thread
     /// <remarks>
     /// An assistant-based agent is not usable after deletion.
     /// </remarks>
+    [Experimental("SKEXP0110")]
     [Obsolete("Use the OpenAI.Assistants.AssistantClient to remove or otherwise modify the Assistant definition.")]
     public async Task<bool> DeleteAsync(CancellationToken cancellationToken = default)
     {
@@ -440,10 +458,12 @@ public IAsyncEnumerable<StreamingChatMessageContent> InvokeStreamingAsync(
         ChatHistory? messages = null,
         CancellationToken cancellationToken = default)
     {
+#pragma warning disable SKEXP0001 // ModelDiagnostics is marked experimental.
         return ActivityExtensions.RunWithActivityAsync(
             () => ModelDiagnostics.StartAgentInvocationActivity(this.Id, this.GetDisplayName(), this.Description),
             () => InternalInvokeStreamingAsync(),
             cancellationToken);
+#pragma warning restore SKEXP0001 // ModelDiagnostics is marked experimental.
 
         IAsyncEnumerable<StreamingChatMessageContent> InternalInvokeStreamingAsync()
         {
@@ -455,6 +475,7 @@ IAsyncEnumerable<StreamingChatMessageContent> InternalInvokeStreamingAsync()
     }
 
     /// <inheritdoc/>
+    [Experimental("SKEXP0110")]
     protected override IEnumerable<string> GetChannelKeys()
     {
         // Distinguish from other channel types.
@@ -464,6 +485,7 @@ protected override IEnumerable<string> GetChannelKeys()
     }
 
     /// <inheritdoc/>
+    [Experimental("SKEXP0110")]
     protected override async Task<AgentChannel> CreateChannelAsync(CancellationToken cancellationToken)
     {
         this.Logger.LogOpenAIAssistantAgentCreatingChannel(nameof(CreateChannelAsync), nameof(OpenAIAssistantChannel));
@@ -487,6 +509,7 @@ protected override async Task<AgentChannel> CreateChannelAsync(CancellationToken
         this.FormatInstructionsAsync(kernel, arguments, cancellationToken);
 
     /// <inheritdoc/>
+    [Experimental("SKEXP0110")]
     protected override async Task<AgentChannel> RestoreChannelAsync(string channelState, CancellationToken cancellationToken)
     {
         string threadId = channelState;
diff --git a/dotnet/src/Agents/OpenAI/OpenAIAssistantCapabilities.cs b/dotnet/src/Agents/OpenAI/OpenAIAssistantCapabilities.cs
index 8274541862f1..5642017c89dd 100644
--- a/dotnet/src/Agents/OpenAI/OpenAIAssistantCapabilities.cs
+++ b/dotnet/src/Agents/OpenAI/OpenAIAssistantCapabilities.cs
@@ -1,6 +1,7 @@
 // Copyright (c) Microsoft. All rights reserved.
 using System;
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Text.Json.Serialization;
 
 namespace Microsoft.SemanticKernel.Agents.OpenAI;
@@ -8,6 +9,7 @@ namespace Microsoft.SemanticKernel.Agents.OpenAI;
 /// <summary>
 /// Defines the capabilities of an assistant.
 /// </summary>
+[Experimental("SKEXP0110")]
 [Obsolete("Use the OpenAI.Assistants.AssistantClient.CreateAssistantAsync() to create an assistant definition.")]
 public class OpenAIAssistantCapabilities
 {
diff --git a/dotnet/src/Agents/OpenAI/OpenAIAssistantChannel.cs b/dotnet/src/Agents/OpenAI/OpenAIAssistantChannel.cs
index dea26353618e..4b91bac74178 100644
--- a/dotnet/src/Agents/OpenAI/OpenAIAssistantChannel.cs
+++ b/dotnet/src/Agents/OpenAI/OpenAIAssistantChannel.cs
@@ -1,5 +1,6 @@
 // Copyright (c) Microsoft. All rights reserved.
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.SemanticKernel.Agents.Extensions;
@@ -12,6 +13,7 @@ namespace Microsoft.SemanticKernel.Agents.OpenAI;
 /// <summary>
 /// A <see cref="AgentChannel"/> specialization for use with <see cref="OpenAIAssistantAgent"/>.
 /// </summary>
+[Experimental("SKEXP0110")]
 internal sealed class OpenAIAssistantChannel(AssistantClient client, string threadId)
     : AgentChannel<OpenAIAssistantAgent>
 {
diff --git a/dotnet/src/Agents/OpenAI/OpenAIAssistantDefinition.cs b/dotnet/src/Agents/OpenAI/OpenAIAssistantDefinition.cs
index af25620bfcd2..9560857b101e 100644
--- a/dotnet/src/Agents/OpenAI/OpenAIAssistantDefinition.cs
+++ b/dotnet/src/Agents/OpenAI/OpenAIAssistantDefinition.cs
@@ -1,5 +1,6 @@
 // Copyright (c) Microsoft. All rights reserved.
 using System;
+using System.Diagnostics.CodeAnalysis;
 using System.Text.Json.Serialization;
 
 namespace Microsoft.SemanticKernel.Agents.OpenAI;
@@ -7,6 +8,7 @@ namespace Microsoft.SemanticKernel.Agents.OpenAI;
 /// <summary>
 /// Defines an assistant.
 /// </summary>
+[Experimental("SKEXP0110")]
 [Obsolete("Use the OpenAI.Assistants.AssistantClient.CreateAssistantAsync() to create an assistant definition.")]
 public sealed class OpenAIAssistantDefinition : OpenAIAssistantCapabilities
 {
diff --git a/dotnet/src/Agents/OpenAI/OpenAIAssistantExecutionOptions.cs b/dotnet/src/Agents/OpenAI/OpenAIAssistantExecutionOptions.cs
index 7e3d72788fa6..ecfd4e52fa58 100644
--- a/dotnet/src/Agents/OpenAI/OpenAIAssistantExecutionOptions.cs
+++ b/dotnet/src/Agents/OpenAI/OpenAIAssistantExecutionOptions.cs
@@ -1,5 +1,6 @@
 // Copyright (c) Microsoft. All rights reserved.
 using System;
+using System.Diagnostics.CodeAnalysis;
 using System.Text.Json.Serialization;
 
 namespace Microsoft.SemanticKernel.Agents.OpenAI;
@@ -10,6 +11,7 @@ namespace Microsoft.SemanticKernel.Agents.OpenAI;
 /// <remarks>
 /// These options are persisted as a single entry of the assistant's metadata with key: "__run_options".
 /// </remarks>
+[Experimental("SKEXP0110")]
 [Obsolete("Use RunCreationOptions to specify assistant invocation behavior.")]
 public sealed class OpenAIAssistantExecutionOptions
 {
diff --git a/dotnet/src/Agents/OpenAI/OpenAIAssistantInvocationOptions.cs b/dotnet/src/Agents/OpenAI/OpenAIAssistantInvocationOptions.cs
index 1e9cb83e9461..7aec34ee15ed 100644
--- a/dotnet/src/Agents/OpenAI/OpenAIAssistantInvocationOptions.cs
+++ b/dotnet/src/Agents/OpenAI/OpenAIAssistantInvocationOptions.cs
@@ -1,6 +1,7 @@
 // Copyright (c) Microsoft. All rights reserved.
 using System;
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Text.Json.Serialization;
 
 namespace Microsoft.SemanticKernel.Agents.OpenAI;
@@ -11,6 +12,7 @@ namespace Microsoft.SemanticKernel.Agents.OpenAI;
 /// <remarks>
 /// This class is not applicable to <see cref="AgentChat"/> usage.
 /// </remarks>
+[Experimental("SKEXP0110")]
 [Obsolete("Use RunCreationOptions to specify assistant invocation behavior.")]
 public sealed class OpenAIAssistantInvocationOptions
 {
diff --git a/dotnet/src/Agents/OpenAI/OpenAIClientProvider.cs b/dotnet/src/Agents/OpenAI/OpenAIClientProvider.cs
index ab4f542eb49b..eccb9509ffd1 100644
--- a/dotnet/src/Agents/OpenAI/OpenAIClientProvider.cs
+++ b/dotnet/src/Agents/OpenAI/OpenAIClientProvider.cs
@@ -3,6 +3,7 @@
 using System.ClientModel;
 using System.ClientModel.Primitives;
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Net.Http;
 using System.Threading;
@@ -17,6 +18,7 @@ namespace Microsoft.SemanticKernel.Agents.OpenAI;
 /// <summary>
 /// Provides an <see cref="OpenAIClient"/> for use by <see cref="OpenAIAssistantAgent"/>.
 /// </summary>
+[Experimental("SKEXP0110")]
 public sealed class OpenAIClientProvider
 {
     /// <summary>
diff --git a/dotnet/src/Agents/OpenAI/OpenAIThreadCreationOptions.cs b/dotnet/src/Agents/OpenAI/OpenAIThreadCreationOptions.cs
index 11f4adb6cfe3..5be75f860eb8 100644
--- a/dotnet/src/Agents/OpenAI/OpenAIThreadCreationOptions.cs
+++ b/dotnet/src/Agents/OpenAI/OpenAIThreadCreationOptions.cs
@@ -1,6 +1,7 @@
 // Copyright (c) Microsoft. All rights reserved.
 using System;
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Text.Json.Serialization;
 
 namespace Microsoft.SemanticKernel.Agents.OpenAI;
@@ -8,6 +9,7 @@ namespace Microsoft.SemanticKernel.Agents.OpenAI;
 /// <summary>
 /// Specifies thread creation options.
 /// </summary>
+[Experimental("SKEXP0110")]
 [Obsolete("Use the OpenAI.Assistants.AssistantClient.CreateThreadAsync() to create a thread.")]
 public sealed class OpenAIThreadCreationOptions
 {
diff --git a/dotnet/src/Agents/OpenAI/Properties/AssemblyInfo.cs b/dotnet/src/Agents/OpenAI/Properties/AssemblyInfo.cs
deleted file mode 100644
index bd1c0f58314e..000000000000
--- a/dotnet/src/Agents/OpenAI/Properties/AssemblyInfo.cs
+++ /dev/null
@@ -1,6 +0,0 @@
-// Copyright (c) Microsoft. All rights reserved.
-
-using System.Diagnostics.CodeAnalysis;
-
-// This assembly is currently experimental.
-[assembly: Experimental("SKEXP0110")]
diff --git a/dotnet/src/SemanticKernel.Abstractions/Contents/StreamingChatMessageContent.cs b/dotnet/src/SemanticKernel.Abstractions/Contents/StreamingChatMessageContent.cs
index 9e7325b771c2..ac8380506d43 100644
--- a/dotnet/src/SemanticKernel.Abstractions/Contents/StreamingChatMessageContent.cs
+++ b/dotnet/src/SemanticKernel.Abstractions/Contents/StreamingChatMessageContent.cs
@@ -61,8 +61,8 @@ public StreamingKernelContentItemCollection Items
     /// <summary>
     /// Name of the author of the message
     /// </summary>
-    [Experimental("SKEXP0001")]
     [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+    [Experimental("SKEXP0001")]
     public string? AuthorName
     {
         get => this._authorName;