diff --git a/.gitignore b/.gitignore
index 28f57b038..413cd7dd2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -34,3 +34,4 @@ _ReSharper*/
 !*.pdb
 packages/
 Help/
+.idea/
diff --git a/Main/nuget/CodeJam.Main.nuspec b/Main/nuget/CodeJam.Main.nuspec
index b6f6c95ec..ce431246a 100644
--- a/Main/nuget/CodeJam.Main.nuspec
+++ b/Main/nuget/CodeJam.Main.nuspec
@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
 	<metadata>
 		<id>CodeJam</id>
-		<version>1.3.0-beta1</version>
+		<version>1.3.0-beta2</version>
 		<title>CodeJam .NET Library</title>
 		<authors>Andrew Koryavchenko, ig-sinicyn, Igor Tkachev</authors>
 		<licenseUrl>https://github.com/rsdn/CodeJam/blob/master/LICENSE</licenseUrl>
diff --git a/Main/nuget/Readme.txt b/Main/nuget/Readme.txt
index 6c38be622..70ee6aedf 100644
--- a/Main/nuget/Readme.txt
+++ b/Main/nuget/Readme.txt
@@ -1,10 +1,11 @@
-CodeJam 1.3.0-beta1 Release Notes
+CodeJam 1.3.0-beta2 Release Notes
 ---------------------------------
 
 What's new in 1.3.0-beta2
 -------------------------
-* Enumerable.ToDiagnosticString method
 * Memoize overloads with LazyThreadSafetyMode
+* EnumerableExtensions.GroupWhile methods
+* Code cleanup
 
 What's new in 1.3.0-beta1
 -------------------------
diff --git a/Main/src/Collections/Enumerable/IndexedItem.cs b/Main/src/Collections/Enumerable/IndexedItem.cs
index 4fe2b45f0..ce51dbee8 100644
--- a/Main/src/Collections/Enumerable/IndexedItem.cs
+++ b/Main/src/Collections/Enumerable/IndexedItem.cs
@@ -1,11 +1,14 @@
 using System;
 using System.Collections.Generic;
 
+using JetBrains.Annotations;
+
 namespace CodeJam.Collections
 {
 	/// <summary>
 	/// Represents an element associated with its index in a sequence.
 	/// </summary>
+	[PublicAPI]
 	public struct IndexedItem<T> : IEquatable<IndexedItem<T>>
 	{
 		/// <summary>
diff --git a/Main/src/Ranges/CompositeRange.cs b/Main/src/Ranges/CompositeRange.cs
index ceda5b729..e1a516092 100644
--- a/Main/src/Ranges/CompositeRange.cs
+++ b/Main/src/Ranges/CompositeRange.cs
@@ -5,6 +5,7 @@
 namespace CodeJam.Ranges
 {
 	/// <summary>Helper methods for the <seealso cref="CompositeRange{T}"/>.</summary>
+	[PublicAPI]
 	public static partial class CompositeRange
 	{
 		/// <summary>Creates the composite range.</summary>