Simplify the dev footer display

osu.Game/OsuGame.cs

@@ -195,7 +195,8 @@ public partial class OsuGame : OsuGameBase, IKeyBindingHandler<GlobalAction>, IL
 
         private MainMenu menuScreen;
 
-        private VersionManager versionManager;
+        [CanBeNull]
+        private DevBuildBanner devBuildBanner;
 
         [CanBeNull]
         private IntroScreen introScreen;
@@ -1055,10 +1056,7 @@ protected override void LoadComplete()
             }, topMostOverlayContent.Add);
 
             if (!IsDeployedBuild)
-            {
-                dependencies.Cache(versionManager = new VersionManager());
-                loadComponentSingleFile(versionManager, ScreenContainer.Add);
-            }
+                loadComponentSingleFile(devBuildBanner = new DevBuildBanner(), ScreenContainer.Add);
 
             loadComponentSingleFile(osuLogo, _ =>
             {
@@ -1564,20 +1562,20 @@ private void screenChanged(IScreen current, IScreen newScreen)
             {
                 case IntroScreen intro:
                     introScreen = intro;
-                    versionManager?.Show();
+                    devBuildBanner?.Show();
                     break;
 
                 case MainMenu menu:
                     menuScreen = menu;
-                    versionManager?.Show();
+                    devBuildBanner?.Show();
                     break;
 
                 case Player player:
                     player.PlayingState.BindTo(playingState);
                     break;
 
                 default:
-                    versionManager?.Hide();
+                    devBuildBanner?.Hide();
                     break;
             }
 

osu.Game/Overlays/DevBuildBanner.cs

@@ -0,0 +1,58 @@
+// Copyright (c) ppy Pty Ltd <[email protected]>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Allocation;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Sprites;
+using osu.Framework.Graphics.Textures;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Sprites;
+using osuTK;
+
+namespace osu.Game.Overlays
+{
+    public partial class DevBuildBanner : VisibilityContainer
+    {
+        [BackgroundDependencyLoader]
+        private void load(OsuColour colours, TextureStore textures, OsuGameBase game)
+        {
+            AutoSizeAxes = Axes.Both;
+
+            Anchor = Anchor.BottomCentre;
+            Origin = Anchor.BottomCentre;
+
+            Alpha = 0;
+
+            AddRange(new Drawable[]
+            {
+                new OsuSpriteText
+                {
+                    Anchor = Anchor.BottomCentre,
+                    Origin = Anchor.BottomCentre,
+                    Font = OsuFont.Numeric.With(weight: FontWeight.Bold, size: 12),
+                    Colour = colours.YellowDark,
+                    Text = @"DEVELOPER BUILD",
+                },
+                new Sprite
+                {
+                    Anchor = Anchor.BottomCentre,
+                    Origin = Anchor.BottomCentre,
+                    Texture = textures.Get(@"Menu/dev-build-footer"),
+                    Scale = new Vector2(0.4f, 1),
+                    Y = 2,
+                },
+            });
+        }
+
+        protected override void PopIn()
+        {
+            this.FadeIn(1400, Easing.OutQuint);
+        }
+
+        protected override void PopOut()
+        {
+            this.FadeOut(500, Easing.OutQuint);
+        }
+    }
+}

osu.Game/Screens/Menu/MainMenu.cs

@@ -79,9 +79,6 @@ public partial class MainMenu : OsuScreen, IHandlePresentBeatmap, IKeyBindingHan
         [Resolved(canBeNull: true)]
         private IDialogOverlay dialogOverlay { get; set; }
 
-        [Resolved(canBeNull: true)]
-        private VersionManager versionManager { get; set; }
-
         protected override BackgroundScreen CreateBackground() => new BackgroundScreenDefault();
 
         protected override bool PlayExitSound => false;
@@ -294,16 +291,6 @@ bool displayLogin(Func<bool> originalAction)
             }
         }
 
-        protected override void Update()
-        {
-            base.Update();
-
-            bottomElementsFlow.Margin = new MarginPadding
-            {
-                Bottom = (versionManager?.DrawHeight + 5) ?? 0
-            };
-        }
-
         protected override void LogoSuspending(OsuLogo logo)
         {
             var seq = logo.FadeOut(300, Easing.InSine)