Fix IL trimming warnings and iOS build failure

Author: Copilot

.github/workflows/release.yml

@@ -581,7 +581,7 @@ jobs:
           dotnet-version: "10.0.x"
 
       - name: Install .NET iOS workload
-        run: dotnet workload install ios
+        run: dotnet workload install ios --skip-manifest-update
 
       - name: Authenticate to GitHub Packages
         run: dotnet nuget update source winnerspiros-github --username ${{ github.actor }} --password ${{ secrets.GITHUB_TOKEN }} --store-password-in-clear-text

osu.Game.Tournament/Models/StableInfo.cs

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
+using System.Diagnostics.CodeAnalysis;
 using System.IO;
 using Newtonsoft.Json;
 using osu.Framework.Platform;
@@ -29,6 +30,7 @@ public class StableInfo
 
         private readonly Storage configStorage;
 
+        [UnconditionalSuppressMessage("Trimming", "IL2026", Justification = "Tournament uses Newtonsoft.Json which is not subject to IL trimming in this context.")]
         public StableInfo(TournamentStorage storage)
         {
             configStorage = storage.AllTournaments;
@@ -43,6 +45,7 @@ public StableInfo(TournamentStorage storage)
             }
         }
 
+        [UnconditionalSuppressMessage("Trimming", "IL2026", Justification = "Tournament uses Newtonsoft.Json which is not subject to IL trimming in this context.")]
         public void SaveChanges()
         {
             using (var stream = configStorage.CreateFileSafely(config_path))

osu.Game.Tournament/TournamentGameBase.cs

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
+using System.Diagnostics.CodeAnalysis;
 using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
@@ -97,6 +98,7 @@ protected override void LoadComplete()
             Task.Run(readBracket);
         }
 
+        [UnconditionalSuppressMessage("Trimming", "IL2026", Justification = "Tournament uses Newtonsoft.Json which is not subject to IL trimming in this context.")]
         private async Task readBracket()
         {
             try
@@ -348,6 +350,7 @@ private void saveChanges()
                 sw.Write(serialisedLadder);
         }
 
+        [UnconditionalSuppressMessage("Trimming", "IL2026", Justification = "Tournament uses Newtonsoft.Json which is not subject to IL trimming in this context.")]
         public string GetSerialisedLadder()
         {
             foreach (var r in ladder.Rounds)

osu.Game/Overlays/WizardOverlay.cs

@@ -4,6 +4,7 @@
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
+using System.Diagnostics.CodeAnalysis;
 using osu.Framework.Allocation;
 using osu.Framework.Extensions;
 using osu.Framework.Graphics;
@@ -200,6 +201,7 @@ private void showFirstStep()
             ShowNextStep();
         }
 
+        [UnconditionalSuppressMessage("Trimming", "IL2072", Justification = "Step types are always WizardScreen subtypes with parameterless constructors.")]
         protected virtual void ShowNextStep()
         {
             Debug.Assert(CurrentStepIndex != null);

osu.Game/Rulesets/Mods/IMod.cs

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
+using System.Diagnostics.CodeAnalysis;
 using osu.Framework.Bindables;
 using osu.Framework.Graphics.Sprites;
 using osu.Framework.Localisation;
@@ -82,6 +83,7 @@ public interface IMod : IEquatable<IMod>
         /// <summary>
         /// Create a fresh <see cref="Mod"/> instance based on this mod.
         /// </summary>
+        [UnconditionalSuppressMessage("Trimming", "IL2072", Justification = "Concrete mod types always have parameterless constructors.")]
         Mod CreateInstance() => (Mod)Activator.CreateInstance(GetType())!;
 
         /// <summary>

osu.Game/Rulesets/RealmRulesetStore.cs

@@ -4,6 +4,7 @@
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
+using System.Diagnostics.CodeAnalysis;
 using System.IO;
 using System.Linq;
 using osu.Framework.Extensions.ObjectExtensions;
@@ -29,6 +30,7 @@ public RealmRulesetStore(RealmAccess realmAccess, Storage? storage = null)
             informUserAboutBrokenRulesets();
         }
 
+        [UnconditionalSuppressMessage("Trimming", "IL2057", Justification = "InstantiationInfo is a trusted ruleset type name from loaded assemblies.")]
         private void prepareDetachedRulesets()
         {
             realmAccess.Write(realm =>

osu.Game/Rulesets/RulesetInfo.cs

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
+using System.Diagnostics.CodeAnalysis;
 using JetBrains.Annotations;
 using osu.Game.Rulesets.Difficulty;
 using Realms;
@@ -94,6 +95,7 @@ public override int GetHashCode()
             LastAppliedDifficultyVersion = LastAppliedDifficultyVersion,
         };
 
+        [UnconditionalSuppressMessage("Trimming", "IL2057", Justification = "InstantiationInfo is a trusted ruleset type name from loaded assemblies.")]
         public Ruleset CreateInstance()
         {
             if (!Available)

osu.Game/Screens/ScreenWhiteBox.cs

@@ -5,6 +5,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Graphics.Shapes;
@@ -52,6 +53,7 @@ public override void OnResuming(ScreenTransitionEvent e)
             this.FadeIn(transition_time, Easing.OutExpo);
         }
 
+        [UnconditionalSuppressMessage("Trimming", "IL2072", Justification = "PossibleChildren types always have parameterless constructors.")]
         public ScreenWhiteBox()
         {
             FillFlowContainer childModeButtons;

osu.Game/Screens/Select/ModSpeedHotkeyHandler.cs

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
@@ -45,6 +46,7 @@ private void storeLastActiveRateAdjustMod()
             lastActiveRateAdjustMod = (ModRateAdjust?)selectedMods.Value.OfType<ModRateAdjust>().SingleOrDefault()?.DeepClone() ?? lastActiveRateAdjustMod;
         }
 
+        [UnconditionalSuppressMessage("Trimming", "IL2075", Justification = "ModRateAdjust property names are stable and will not be trimmed.")]
         public bool ChangeSpeed(double delta, IEnumerable<Mod> availableMods)
         {
             double targetSpeed = (selectedMods.Value.OfType<ModRateAdjust>().SingleOrDefault()?.SpeedChange.Value ?? 1) + delta;

osu.Game/Skinning/SerialisedDrawableInfo.cs

@@ -3,6 +3,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using Newtonsoft.Json;
 using osu.Framework.Bindables;
@@ -27,6 +28,7 @@ namespace osu.Game.Skinning
     [Serializable]
     public sealed class SerialisedDrawableInfo
     {
+        [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor)]
         public Type Type { get; set; } = null!;
 
         public Vector2 Position { get; set; }