Also ignore drum roll strong judgement

osu.Game.Rulesets.Taiko/Objects/DrumRoll.cs

@@ -96,6 +96,8 @@ private void createTicks(CancellationToken cancellationToken)
 
         public class StrongNestedHit : StrongNestedHitObject
         {
+            // The strong hit of the drum roll doesn't actually provide any score.
+            public override Judgement CreateJudgement() => new IgnoreJudgement();
         }
 
         #region LegacyBeatmapEncoder

osu.Game.Rulesets.Taiko/UI/TaikoPlayfield.cs

@@ -317,6 +317,9 @@ internal void OnNewResult(DrawableHitObject judgedObject, JudgementResult result
                     break;
 
                 default:
+                    if (!result.Type.IsScorable())
+                        break;
+
                     judgementContainer.Add(judgementPools[result.Type].Get(j =>
                     {
                         j.Apply(result, judgedObject);