diff --git a/GameRealisticMap.Arma3/Arma3DemoMapGenerator.cs b/GameRealisticMap.Arma3/Arma3DemoMapGenerator.cs
index ef071a0d..e868c534 100644
--- a/GameRealisticMap.Arma3/Arma3DemoMapGenerator.cs
+++ b/GameRealisticMap.Arma3/Arma3DemoMapGenerator.cs
@@ -13,7 +13,6 @@
 using GameRealisticMap.ManMade.Places;
 using GameRealisticMap.ManMade.Roads;
 using GameRealisticMap.Osm;
-using GameRealisticMap.Reporting;
 using HugeImages.Storage;
 using Pmad.ProgressTracking;
 
@@ -129,9 +128,9 @@ private void BuildingAdjust(ElevationGrid grid, List<City> places, List<Editable
         }
 
 
-        protected override IEnumerable<EditableWrpObject> GetObjects(IProgressScope progress, IArma3MapConfig config, IContext context, Arma3LayerGeneratorCatalog generators, ElevationGrid grid)
+        protected override async Task<IEnumerable<EditableWrpObject>> GetObjects(IProgressScope progress, IArma3MapConfig config, IContext context, Arma3LayerGeneratorCatalog generators, ElevationGrid grid)
         {
-            return base.GetObjects(progress, config, context, generators, grid)
+            return (await base.GetObjects(progress, config, context, generators, grid))
                 .Concat(context.GetData<List<EditableWrpObject>>());
         }
 
diff --git a/GameRealisticMap.Arma3/Arma3MapGenerator.cs b/GameRealisticMap.Arma3/Arma3MapGenerator.cs
index 8e091b45..f0520df5 100644
--- a/GameRealisticMap.Arma3/Arma3MapGenerator.cs
+++ b/GameRealisticMap.Arma3/Arma3MapGenerator.cs
@@ -144,10 +144,10 @@ protected virtual async Task<IOsmDataSource> LoadOsmData(IProgressScope progress
             // Objects + WRP
             var wrpBuilder = new WrpCompiler(progress, projectDrive);
 
-            var grid = gridTask.Result.Elevation;
+            var grid = (await gridTask).Elevation;
             var size = area.SizeInMeters;
 
-            var objects = GetObjects(progress, config, context, generators, grid)
+            var objects = (await GetObjects(progress, config, context, generators, grid))
                 .Where(o => IsStrictlyInside(o, size));
 
             wrpBuilder.Write(config, grid, tiles, objects);
@@ -162,23 +162,24 @@ protected virtual IImagerySource CreateImagerySource(IProgressScope progress, Ar
             return new ImagerySource(assets.Materials, progress, projectDrive, config, context);
         }
 
-        protected virtual IEnumerable<EditableWrpObject> GetObjects(IProgressScope progress, IArma3MapConfig config, IContext context, Arma3LayerGeneratorCatalog generators, ElevationGrid grid)
+        protected virtual async Task<IEnumerable<EditableWrpObject>> GetObjects(IProgressScope progress, IArma3MapConfig config, IContext context, Arma3LayerGeneratorCatalog generators, ElevationGrid grid)
         {
-            return GenerateObjects(progress, config, context, generators).Select(o => o.ToWrpObject(grid));
+            return (await GenerateObjects(progress, config, context, generators))
+                .SelectMany(o => o)
+                .Select(o => o.ToWrpObject(grid));
         }
 
-        private IEnumerable<TerrainBuilderObject> GenerateObjects(IProgressScope progress, IArma3MapConfig config, IContext context, Arma3LayerGeneratorCatalog generators)
+        private async ValueTask<IEnumerable<IEnumerable<TerrainBuilderObject>>> GenerateObjects(IProgressScope progress, IArma3MapConfig config, IContext context, Arma3LayerGeneratorCatalog generators)
         {
             var result = new ConcurrentQueue<IEnumerable<TerrainBuilderObject>>();
-
             using (var scope = progress.CreateScope("Objects", generators.Generators.Count))
             {
-                Parallel.ForEachAsync(generators.Generators, new ParallelOptions() { CancellationToken = progress.CancellationToken, MaxDegreeOfParallelism = 4 }, async (tb, _) =>
+                await Parallel.ForEachAsync(generators.Generators, new ParallelOptions() { CancellationToken = progress.CancellationToken, MaxDegreeOfParallelism = 4 }, async (tb, _) =>
                 {
                     result.Enqueue(await tb.Generate(config, context, scope));
-                }).Wait();
+                });
             }
-            return result.SelectMany(o => o);
+            return result;
         }
 
         private bool IsStrictlyInside(EditableWrpObject o, float size)
diff --git a/GameRealisticMap.Arma3/Arma3TerrainBuilderGenerator.cs b/GameRealisticMap.Arma3/Arma3TerrainBuilderGenerator.cs
index 2e9a3cfd..ed7a6666 100644
--- a/GameRealisticMap.Arma3/Arma3TerrainBuilderGenerator.cs
+++ b/GameRealisticMap.Arma3/Arma3TerrainBuilderGenerator.cs
@@ -11,7 +11,6 @@
 using GameRealisticMap.ManMade.Roads;
 using GameRealisticMap.Osm;
 using GameRealisticMap.Preview;
-using GameRealisticMap.Reporting;
 using HugeImages;
 using HugeImages.Processing;
 using HugeImages.Storage;
@@ -66,7 +65,7 @@ private BuildContext CreateBuildContext(IProgressScope progress, Arma3MapConfig
             }
 
 #if DEBUG
-            PreviewRender.RenderHtml(context, "debug.html").Wait();
+            await PreviewRender.RenderHtml(context, "debug.html");
 #endif
 
             // Convert PAA
@@ -191,7 +190,7 @@ private async Task<List<ImageryPart>> ExportImagery(IProgressScope progress, Arm
             {
                 await WriteImage(progress, idMap, Path.Combine(targetDirectory, "idmap.png"), parts).ConfigureAwait(false);
             }
-            ImageryCompiler.CreateConfigCppImages(projectDrive, config, source);
+            await ImageryCompiler.CreateConfigCppImages(projectDrive, config, source);
             using (var satMap = await source.CreateSatMap())
             {
                 await WriteImage(progress, satMap, Path.Combine(targetDirectory, "satmap.png"), parts).ConfigureAwait(false);
diff --git a/GameRealisticMap.Arma3/Demo/Arma3GdtDemoMapGenerator.cs b/GameRealisticMap.Arma3/Demo/Arma3GdtDemoMapGenerator.cs
index aa433999..dee3eecb 100644
--- a/GameRealisticMap.Arma3/Demo/Arma3GdtDemoMapGenerator.cs
+++ b/GameRealisticMap.Arma3/Demo/Arma3GdtDemoMapGenerator.cs
@@ -9,7 +9,6 @@
 using GameRealisticMap.ManMade.Roads;
 using GameRealisticMap.Nature.Weather;
 using GameRealisticMap.Osm;
-using GameRealisticMap.Reporting;
 using HugeImages.Storage;
 using Pmad.ProgressTracking;
 
@@ -68,9 +67,9 @@ protected override BuildContext CreateBuildContext(IProgressScope progress, Arma
             return context;
         }
 
-        protected override IEnumerable<EditableWrpObject> GetObjects(IProgressScope progress, IArma3MapConfig config, IContext context, Arma3LayerGeneratorCatalog generators, ElevationGrid grid)
+        protected override Task<IEnumerable<EditableWrpObject>> GetObjects(IProgressScope progress, IArma3MapConfig config, IContext context, Arma3LayerGeneratorCatalog generators, ElevationGrid grid)
         {
-            return new List<EditableWrpObject>();
+            return Task.FromResult((IEnumerable<EditableWrpObject>) new List<EditableWrpObject>());
         }
 
         protected override IImagerySource CreateImagerySource(IProgressScope progress, Arma3MapConfig config, IContext context)