diff --git a/.fern/metadata.json b/.fern/metadata.json
index 2eea317..d7c02b9 100644
--- a/.fern/metadata.json
+++ b/.fern/metadata.json
@@ -25,6 +25,6 @@
       }
     }
   },
-  "originGitCommit": "089414edddad02c1799299617e095fcd687046cf",
-  "sdkVersion": "0.2.7"
+  "originGitCommit": "274a9e627c776728cbf8da2fc71627448d122f99",
+  "sdkVersion": "0.2.8"
 }
\ No newline at end of file
diff --git a/.fern/replay.lock b/.fern/replay.lock
new file mode 100644
index 0000000..6314456
--- /dev/null
+++ b/.fern/replay.lock
@@ -0,0 +1,10 @@
+# DO NOT EDIT MANUALLY - Managed by Fern Replay
+version: "1.0"
+generations:
+  - commit_sha: 082df3d1088cbc544b1430e6ffee7e8f7b689e6a
+    tree_hash: d5abd44c8e2d87f9cc9875439d27a1b11e12e649
+    timestamp: 2026-05-19T21:23:50.177Z
+    cli_version: unknown
+    generator_versions: {}
+current_generation: 082df3d1088cbc544b1430e6ffee7e8f7b689e6a
+patches: []
diff --git a/.fernignore b/.fernignore
index 37c57e9..803661a 100644
--- a/.fernignore
+++ b/.fernignore
@@ -3,4 +3,7 @@ src/HumeApi.Test/Unit/MockServer/Tts/SynthesizeJsonStreamingTest.cs
 .github/workflows/release-upm.yml
 .github/workflows/release-nuget.yml
 .github/workflows/ci.yml
-src/Hume.sln
\ No newline at end of file
+src/Hume.sln
+.fern/replay.lock
+.fern/replay.yml
+.gitattributes
diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..74928d6
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+.fern/replay.lock linguist-generated=true
diff --git a/examples-repo b/examples-repo
deleted file mode 160000
index 8e59714..0000000
--- a/examples-repo
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 8e597143196697b94fb3940c31007da2d334136c
diff --git a/reference.md b/reference.md
index 2da6e9c..ee939f7 100644
--- a/reference.md
+++ b/reference.md
@@ -2264,7 +2264,7 @@ Refer to our [tool use](/docs/speech-to-speech-evi/features/tool-use#function-ca
 <dd>
 
 ```csharp
-await client.EmpathicVoice.Tools.DeleteToolVersionAsync("", 1);
+await client.EmpathicVoice.Tools.DeleteToolVersionAsync("your-tool-id", 1);
 ```
 </dd>
 </dl>
diff --git a/src/Hume.Test/Unit/MockServer/EmpathicVoice/Tools/DeleteToolVersionTest.cs b/src/Hume.Test/Unit/MockServer/EmpathicVoice/Tools/DeleteToolVersionTest.cs
new file mode 100644
index 0000000..a3ea8fc
--- /dev/null
+++ b/src/Hume.Test/Unit/MockServer/EmpathicVoice/Tools/DeleteToolVersionTest.cs
@@ -0,0 +1,26 @@
+using Hume.Test.Unit.MockServer;
+using NUnit.Framework;
+
+namespace Hume.Test.Unit.MockServer.EmpathicVoice.Tools;
+
+[TestFixture]
+[Parallelizable(ParallelScope.Self)]
+public class DeleteToolVersionTest : BaseMockServerTest
+{
+    [NUnit.Framework.Test]
+    public void MockServerTest()
+    {
+        Server
+            .Given(
+                WireMock
+                    .RequestBuilders.Request.Create()
+                    .WithPath("/v0/evi/tools/your-tool-id/version/1")
+                    .UsingDelete()
+            )
+            .RespondWith(WireMock.ResponseBuilders.Response.Create().WithStatusCode(200));
+
+        Assert.DoesNotThrowAsync(async () =>
+            await Client.EmpathicVoice.Tools.DeleteToolVersionAsync("your-tool-id", 1)
+        );
+    }
+}
diff --git a/src/Hume/Core/Public/Version.cs b/src/Hume/Core/Public/Version.cs
index afac175..4cc4e59 100644
--- a/src/Hume/Core/Public/Version.cs
+++ b/src/Hume/Core/Public/Version.cs
@@ -3,5 +3,5 @@ namespace Hume;
 [Serializable]
 internal class Version
 {
-    public const string Current = "0.2.7";
+    public const string Current = "0.2.8";
 }
diff --git a/src/Hume/EmpathicVoice/Tools/ToolsClient.cs b/src/Hume/EmpathicVoice/Tools/ToolsClient.cs
index 5f327d9..240b3f4 100644
--- a/src/Hume/EmpathicVoice/Tools/ToolsClient.cs
+++ b/src/Hume/EmpathicVoice/Tools/ToolsClient.cs
@@ -927,7 +927,7 @@ public WithRawResponseTask<string> UpdateToolNameAsync(
     /// Refer to our [tool use](/docs/speech-to-speech-evi/features/tool-use#function-calling) guide for comprehensive instructions on defining and integrating tools into EVI.
     /// </summary>
     /// <example><code>
-    /// await client.EmpathicVoice.Tools.DeleteToolVersionAsync("", 1);
+    /// await client.EmpathicVoice.Tools.DeleteToolVersionAsync("your-tool-id", 1);
     /// </code></example>
     public async global::System.Threading.Tasks.Task DeleteToolVersionAsync(
         string id,
diff --git a/src/Hume/Hume.csproj b/src/Hume/Hume.csproj
index 58e946e..9dc5b00 100644
--- a/src/Hume/Hume.csproj
+++ b/src/Hume/Hume.csproj
@@ -4,7 +4,7 @@
     <ImplicitUsings>enable</ImplicitUsings>
     <LangVersion>12</LangVersion>
     <Nullable>enable</Nullable>
-    <Version>0.2.7</Version>
+    <Version>0.2.8</Version>
     <AssemblyVersion>$(Version)</AssemblyVersion>
     <FileVersion>$(Version)</FileVersion>
     <PackageReadmeFile>README.md</PackageReadmeFile>
diff --git a/src/Hume/HumeClient.cs b/src/Hume/HumeClient.cs
index 6bca1e4..bc484eb 100644
--- a/src/Hume/HumeClient.cs
+++ b/src/Hume/HumeClient.cs
@@ -18,7 +18,7 @@ public HumeClient(string? apiKey = null, ClientOptions? clientOptions = null)
                 { "X-Fern-Language", "C#" },
                 { "X-Fern-SDK-Name", "Hume" },
                 { "X-Fern-SDK-Version", Version.Current },
-                { "User-Agent", "Hume/0.2.7" },
+                { "User-Agent", "Hume/0.2.8" },
             }
         );
         foreach (var header in platformHeaders)
diff --git a/src/Hume/Tts/StreamInput/StreamInputApi.cs b/src/Hume/Tts/StreamInput/StreamInputApi.cs
index a6fa96d..1506669 100644
--- a/src/Hume/Tts/StreamInput/StreamInputApi.cs
+++ b/src/Hume/Tts/StreamInput/StreamInputApi.cs
@@ -40,7 +40,7 @@ public StreamInputApi(StreamInputApi.Options options)
         _options = options;
         var uri = new UriBuilder(_options.BaseUrl)
         {
-            Query = new Hume.Core.QueryStringBuilder.Builder(capacity: 9)
+            Query = new Hume.Core.QueryStringBuilder.Builder(capacity: 10)
                 .Add("access_token", _options.AccessToken)
                 .Add("context_generation_id", _options.ContextGenerationId)
                 .AddDeepObject("format_type", _options.FormatType)
@@ -48,6 +48,7 @@ public StreamInputApi(StreamInputApi.Options options)
                 .Add("instant_mode", _options.InstantMode)
                 .Add("no_binary", _options.NoBinary)
                 .Add("strip_headers", _options.StripHeaders)
+                .Add("temperature", _options.Temperature)
                 .AddDeepObject("version", _options.Version)
                 .Add("api_key", _options.ApiKey)
                 .Build(),
@@ -287,6 +288,18 @@ public class Options
         /// </summary>
         public bool? StripHeaders { get; set; }
 
+        /// <summary>
+        /// Sampling temperature for the speech generation model. Higher values increase variation; lower values increase consistency.
+        ///
+        /// **This is an experimental parameter.** It is recommended to use the default values for most use cases.
+        ///
+        /// Defaults when omitted:
+        /// - Octave 1 voice creation (no voice specified): `0.9`
+        /// - Octave 1 text-to-speech: `0.8`
+        /// - Octave 2 text-to-speech: `0.75`
+        /// </summary>
+        public double? Temperature { get; set; }
+
         /// <summary>
         /// The version of the Octave Model to use. 1 for the legacy model, 2 for the new model.
         /// </summary>
diff --git a/src/Hume/Tts/Types/PostedTts.cs b/src/Hume/Tts/Types/PostedTts.cs
index a7381c6..12c4c1d 100644
--- a/src/Hume/Tts/Types/PostedTts.cs
+++ b/src/Hume/Tts/Types/PostedTts.cs
@@ -57,6 +57,19 @@ public record PostedTts : IJsonOnDeserialized
     [JsonPropertyName("strip_headers")]
     public bool? StripHeaders { get; set; }
 
+    /// <summary>
+    /// Sampling temperature for the speech generation model. Higher values increase variation; lower values increase consistency.
+    ///
+    /// **This is an experimental parameter.** It is recommended to use the default values for most use cases.
+    ///
+    /// Defaults when omitted:
+    /// - Octave 1 voice creation (no voice specified): `0.9`
+    /// - Octave 1 text-to-speech: `0.8`
+    /// - Octave 2 text-to-speech: `0.75`
+    /// </summary>
+    [JsonPropertyName("temperature")]
+    public double? Temperature { get; set; }
+
     /// <summary>
     /// A list of **Utterances** to be converted to speech output.
     ///
@@ -75,6 +88,12 @@ public record PostedTts : IJsonOnDeserialized
     [JsonPropertyName("version")]
     public OctaveVersion? Version { get; set; }
 
+    /// <summary>
+    /// Enables ultra-low latency streaming, significantly reducing the time until the first audio chunk is received. Recommended for real-time applications requiring immediate audio playback. For further details, see our documentation on [instant mode](/docs/text-to-speech-tts/overview#ultra-low-latency-streaming-instant-mode).
+    /// - A [voice](/reference/text-to-speech-tts/synthesize-json-streaming#request.body.utterances.voice) must be specified when instant mode is enabled. Dynamic voice generation is not supported with this mode.
+    /// - Instant mode is only supported for streaming endpoints (e.g., [/v0/tts/stream/json](/reference/text-to-speech-tts/synthesize-json-streaming), [/v0/tts/stream/file](/reference/text-to-speech-tts/synthesize-file-streaming)).
+    /// - Ensure only a single generation is requested ([num_generations](/reference/text-to-speech-tts/synthesize-json-streaming#request.body.num_generations) must be `1` or omitted).
+    /// </summary>
     [JsonPropertyName("instant_mode")]
     public bool? InstantMode { get; set; }