diff --git a/Source/Engine/Core/Compiler.h b/Source/Engine/Core/Compiler.h
index d84713857..46060bca9 100644
--- a/Source/Engine/Core/Compiler.h
+++ b/Source/Engine/Core/Compiler.h
@@ -111,6 +111,10 @@
 #define _DEPRECATED(_0, _1, LASTARG, ...) LASTARG
 #define DEPRECATED(...) _DEPRECATED(, ##__VA_ARGS__, _DEPRECATED_1(__VA_ARGS__), _DEPRECATED_0())
 
+#if defined(__EXCEPTIONS) || defined(__cpp_exceptions) || defined(_CPPUNWIND)
+#define HAS_EXCEPTIONS
+#endif
+
 // C++ 17
 #if __cplusplus >= 201703L
 #define IF_CONSTEXPR constexpr
diff --git a/Source/Engine/Localization/Localization.cpp b/Source/Engine/Localization/Localization.cpp
index d1b3a036f..231862688 100644
--- a/Source/Engine/Localization/Localization.cpp
+++ b/Source/Engine/Localization/Localization.cpp
@@ -262,6 +262,7 @@ void LocalizationService::OnLocalizationChanged()
             localeName[currentCulture.Length() + 5] = '8';
             localeName[currentCulture.Length() + 6] = 0;
         }
+#if HAS_EXCEPTIONS
         try
         {
             std::locale::global(std::locale(localeName));
@@ -272,6 +273,9 @@ void LocalizationService::OnLocalizationChanged()
         catch (...)
         {
         }
+#else
+        std::locale::global(std::locale(localeName));
+#endif
     }
 #endif
 
diff --git a/Source/Tools/Flax.Build.Tests/Flax.Build.Tests.Build.cs b/Source/Tools/Flax.Build.Tests/Flax.Build.Tests.Build.cs
index 24bbebdb3..ffe4e5e78 100644
--- a/Source/Tools/Flax.Build.Tests/Flax.Build.Tests.Build.cs
+++ b/Source/Tools/Flax.Build.Tests/Flax.Build.Tests.Build.cs
@@ -1,6 +1,7 @@
 // Copyright (c) Wojciech Figat. All rights reserved.
 
 using Flax.Build;
+using Flax.Build.NativeCpp;
 
 /// <summary>
 /// Flax.Build.Tests project build configuration.
@@ -33,4 +34,12 @@ public class FlaxBuildTestsTarget : Target
         };
         CustomExternalProjectFilePath = System.IO.Path.Combine(FolderPath, "Flax.Build.Tests.csproj");
     }
+
+    /// <inheritdoc />
+    public override void SetupTargetEnvironment(BuildOptions options)
+    {
+        base.SetupTargetEnvironment(options);
+
+        options.CompileEnv.EnableExceptions = true;
+    }
 }
diff --git a/Source/Tools/Flax.Build/Build/Target.cs b/Source/Tools/Flax.Build/Build/Target.cs
index fe3a4e075..257cff587 100644
--- a/Source/Tools/Flax.Build/Build/Target.cs
+++ b/Source/Tools/Flax.Build/Build/Target.cs
@@ -267,8 +267,21 @@ namespace Flax.Build
                 break;
             }
 
-            options.CompileEnv.EnableExceptions = true; // TODO: try to disable this!
-            options.CompileEnv.Sanitizers = Configuration.Sanitizers;
+            switch (options.Platform.Target)
+            {
+            case TargetPlatform.Windows:
+            case TargetPlatform.XboxOne:
+            case TargetPlatform.XboxScarlett:
+            case TargetPlatform.UWP:
+            case TargetPlatform.Linux:
+            case TargetPlatform.iOS:
+            case TargetPlatform.Mac:
+                // TODO: try to disable this on more platforms! (eg. LocalizationService::OnLocalizationChanged uses it)
+                options.CompileEnv.EnableExceptions = true;
+                break;
+            }
+            options.CompileEnv.RuntimeTypeInfo = true; // TODO: try migrating from dynamic_cast to casting via ScriptingType and skip RTTI
+            options.CompileEnv.Sanitizers |= Configuration.Sanitizers;
             switch (options.Configuration)
             {
             case TargetConfiguration.Debug:
diff --git a/Source/Tools/Flax.Build/Platforms/Web/WebToolchain.cs b/Source/Tools/Flax.Build/Platforms/Web/WebToolchain.cs
index a0e22c7e5..41775a38e 100644
--- a/Source/Tools/Flax.Build/Platforms/Web/WebToolchain.cs
+++ b/Source/Tools/Flax.Build/Platforms/Web/WebToolchain.cs
@@ -86,21 +86,36 @@ namespace Flax.Build.Platforms
             options.CompileEnv.CpuArchitecture = CpuArchitecture.None; // TODO: try SIMD support in Emscripten
         }
 
-        private void AddSharedArgs(List<string> args, bool debugInformation, bool optimization, FavorSizeOrSpeed favorSizeOrSpeed)
+        private void AddSharedArgs(List<string> args, BuildOptions options, bool debugInformation, bool optimization)
         {
             if (debugInformation)
                 args.Add("-g2");
             else
                 args.Add("-g0");
 
-            if (favorSizeOrSpeed == FavorSizeOrSpeed.SmallCode)
+            if (options.CompileEnv.FavorSizeOrSpeed == FavorSizeOrSpeed.SmallCode)
                 args.Add("-Os");
-            if (favorSizeOrSpeed == FavorSizeOrSpeed.FastCode)
+            if (options.CompileEnv.FavorSizeOrSpeed == FavorSizeOrSpeed.FastCode)
+                args.Add("-O3");
+            else if (optimization && options.Configuration == TargetConfiguration.Release)
                 args.Add("-O3");
             else if (optimization)
                 args.Add("-O2");
             else
                 args.Add("-O0");
+
+            if (options.CompileEnv.RuntimeTypeInfo)
+                args.Add("-frtti");
+            else
+                args.Add("-fno-rtti");
+
+            if (options.CompileEnv.TreatWarningsAsErrors)
+                args.Add("-Wall -Werror");
+
+            if (options.CompileEnv.EnableExceptions)
+                args.Add("-fexceptions");
+            else
+                args.Add("-fno-exceptions");
         }
 
         /// <inheritdoc />
@@ -114,7 +129,7 @@ namespace Flax.Build.Platforms
             {
                 commonArgs.Add("-c");
 
-                AddSharedArgs(commonArgs, options.CompileEnv.DebugInformation, options.CompileEnv.Optimization, options.CompileEnv.FavorSizeOrSpeed);
+                AddSharedArgs(commonArgs, options, options.CompileEnv.DebugInformation, options.CompileEnv.Optimization);
             }
 
             // Add preprocessor definitions
@@ -204,7 +219,8 @@ namespace Flax.Build.Platforms
             {
                 args.Add(string.Format("-o \"{0}\"", outputFilePath.Replace('\\', '/')));
 
-               AddSharedArgs(args, options.LinkEnv.DebugInformation, options.LinkEnv.Optimization, options.CompileEnv.FavorSizeOrSpeed);
+                AddSharedArgs(args, options, options.LinkEnv.DebugInformation, options.LinkEnv.Optimization);
+
             }
 
             args.Add("-Wl,--start-group");