diff --git a/osu.Game.Tests/Visual/TestCaseLineBadge.cs b/osu.Game.Tests/Visual/TestCaseLineBadge.cs
index 304b0f9518..d80ef0131b 100644
--- a/osu.Game.Tests/Visual/TestCaseLineBadge.cs
+++ b/osu.Game.Tests/Visual/TestCaseLineBadge.cs
@@ -13,10 +13,10 @@ namespace osu.Game.Tests.Visual
     {
         public TestCaseLineBadge()
         {
-            Container containerHorizontal;
+            Container container;
             LineBadge lineBadge;
 
-            Add(containerHorizontal = new Container
+            Add(container = new Container
             {
                 Anchor = Anchor.Centre,
                 Origin = Anchor.Centre,
@@ -41,7 +41,7 @@ namespace osu.Game.Tests.Visual
             AddStep(@"", () => { });
             AddStep(@"Collapse", () => lineBadge.Collapse());
             AddStep(@"Uncollapse", () => lineBadge.Uncollapse());
-            AddSliderStep(@"Resize container", 1, 300, 150, value => containerHorizontal.ResizeTo(value));
+            AddSliderStep(@"Resize container", 1, 300, 150, value => container.ResizeTo(value));
             AddStep(@"Horizontal", () => lineBadge.IsHorizontal = true);
             AddStep(@"Anchor top", () => lineBadge.Anchor = Anchor.TopCentre);
             AddStep(@"Vertical", () => lineBadge.IsHorizontal = false);
diff --git a/osu.Game/Graphics/UserInterface/LineBadge.cs b/osu.Game/Graphics/UserInterface/LineBadge.cs
index 91dd2add1f..0283559aee 100644
--- a/osu.Game/Graphics/UserInterface/LineBadge.cs
+++ b/osu.Game/Graphics/UserInterface/LineBadge.cs
@@ -45,7 +45,7 @@ namespace osu.Game.Graphics.UserInterface
         /// takes up the full parent's axis defined by <see cref="IsHorizontal"/>.
         /// </summary>
         /// <param name="startCollapsed">Whether to initialize with the
-        /// <see cref="CollapsedSize"/> or the <see cref="UncollapsedSize"/></param>
+        /// <see cref="CollapsedSize"/> or the <see cref="UncollapsedSize"/>.</param>
         public LineBadge(bool startCollapsed = true)
         {
             IsCollapsed = startCollapsed;
diff --git a/osu.Game/Graphics/UserInterface/TooltipIconButton.cs b/osu.Game/Graphics/UserInterface/TooltipIconButton.cs
index 7f6641817a..1dfec5cb80 100644
--- a/osu.Game/Graphics/UserInterface/TooltipIconButton.cs
+++ b/osu.Game/Graphics/UserInterface/TooltipIconButton.cs
@@ -21,6 +21,7 @@ namespace osu.Game.Graphics.UserInterface
     {
         private readonly SpriteIcon icon;
         private SampleChannel sampleHover;
+
         public Action Action;
 
         private bool isEnabled;
@@ -30,7 +31,7 @@ namespace osu.Game.Graphics.UserInterface
             set
             {
                 isEnabled = value;
-                icon.Alpha = value ? 1 : 0.5f;
+                icon.FadeTo(value ? 1 : 0.5f, 250);
             }
         }
 
diff --git a/osu.Game/Overlays/Changelog/ChangelogChart.cs b/osu.Game/Overlays/Changelog/ChangelogChart.cs
index 91e2aa5e49..667f206250 100644
--- a/osu.Game/Overlays/Changelog/ChangelogChart.cs
+++ b/osu.Game/Overlays/Changelog/ChangelogChart.cs
@@ -15,7 +15,6 @@ using osu.Game.Online.API.Requests.Responses;
 namespace osu.Game.Overlays.Changelog
 {
     // maybe look to osu.Game.Screens.Play.SquareGraph for reference later
-    // placeholder json file: https://api.myjson.com/bins/10ye8a
     public class ChangelogChart : BufferedContainer
     {
         private readonly Box background;
@@ -43,10 +42,6 @@ namespace osu.Game.Overlays.Changelog
             };
         }
 
-        /// <summary>
-        /// Draw the graph for a specific build
-        /// </summary>
-
         private bool isEmpty(APIChangelogChart changelogChart)
         {
             if (changelogChart != null)
diff --git a/osu.Game/Overlays/Changelog/ChangelogContent.cs b/osu.Game/Overlays/Changelog/ChangelogContent.cs
index f6e90b83a3..9d81fcb30f 100644
--- a/osu.Game/Overlays/Changelog/ChangelogContent.cs
+++ b/osu.Game/Overlays/Changelog/ChangelogContent.cs
@@ -31,7 +31,6 @@ namespace osu.Game.Overlays.Changelog
         public void ShowListing(APIChangelog[] changelog)
         {
             DateTime currentDate = new DateTime();
-
             Clear();
 
             foreach (APIChangelog build in changelog)
@@ -48,10 +47,10 @@ namespace osu.Game.Overlays.Changelog
                             Margin = new MarginPadding { Top = 30, },
                         });
                     }
-                    // watch out for this?
-                    Add(changelogContentGroup = new ChangelogContentGroup(build, true));
+                    changelogContentGroup = new ChangelogContentGroup(build, true);
                     changelogContentGroup.BuildSelected += OnBuildSelected;
                     changelogContentGroup.GenerateText(build.ChangelogEntries);
+                    Add(changelogContentGroup);
                     currentDate = build.CreatedAt.Date;
                 }
                 else
@@ -63,9 +62,11 @@ namespace osu.Game.Overlays.Changelog
                         Colour = new Color4(32, 24, 35, 255),
                         Margin = new MarginPadding { Top = 30, },
                     });
-                    Add(changelogContentGroup = new ChangelogContentGroup(build, false));
+
+                    changelogContentGroup = new ChangelogContentGroup(build, false);
                     changelogContentGroup.BuildSelected += OnBuildSelected;
                     changelogContentGroup.GenerateText(build.ChangelogEntries);
+                    Add(changelogContentGroup);
                 }
             }
         }