diff --git a/Config/DefaultEngine.ini b/Config/DefaultEngine.ini
--- a/Config/DefaultEngine.ini
+++ b/Config/DefaultEngine.ini
@@ -85,6 +85,7 @@ bSuppressFaceRemapTable=False
 bSupportUVFromHitResults=False
 bDisableActiveActors=False
 bDisableCCD=False
+bEnableEnhancedDeterminism=False
 MaxPhysicsDeltaTime=0.033333
 bSubstepping=False
 bSubsteppingAsync=False
@@ -93,5 +94,6 @@ MaxSubsteps=6
 SyncSceneSmoothingFactor=0.000000
 AsyncSceneSmoothingFactor=0.990000
 InitialAverageFrameRate=0.016667
+PhysXTreeRebuildRate=10