Genuinely no clue what I changed

ProjectSettings/DynamicsManager.asset

@@ -3,10 +3,11 @@
 --- !u!55 &1
 PhysicsManager:
   m_ObjectHideFlags: 0
-  serializedVersion: 13
-  m_Gravity: {x: 0, y: -9.81, z: 0}
+  serializedVersion: 17
+  m_Gravity: {x: 0, y: -12, z: 0}
   m_DefaultMaterial: {fileID: 0}
   m_BounceThreshold: 2
+  m_DefaultMaxDepenetrationVelocity: 10
   m_SleepThreshold: 0.005
   m_DefaultContactOffset: 0.01
   m_DefaultSolverIterations: 6
@@ -16,21 +17,21 @@ PhysicsManager:
   m_EnableAdaptiveForce: 0
   m_ClothInterCollisionDistance: 0.1
   m_ClothInterCollisionStiffness: 0.2
-  m_ContactsGeneration: 1
   m_LayerCollisionMatrix: ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
-  m_AutoSimulation: 1
+  m_SimulationMode: 0
   m_AutoSyncTransforms: 0
   m_ReuseCollisionCallbacks: 1
+  m_InvokeCollisionCallbacks: 1
   m_ClothInterCollisionSettingsToggle: 0
   m_ClothGravity: {x: 0, y: -9.81, z: 0}
   m_ContactPairsMode: 0
   m_BroadphaseType: 0
-  m_WorldBounds:
-    m_Center: {x: 0, y: 0, z: 0}
-    m_Extent: {x: 250, y: 250, z: 250}
-  m_WorldSubdivisions: 8
   m_FrictionType: 0
   m_EnableEnhancedDeterminism: 0
   m_EnableUnifiedHeightmaps: 1
+  m_ImprovedPatchFriction: 0
   m_SolverType: 0
   m_DefaultMaxAngularSpeed: 50
+  m_ScratchBufferChunkCount: 4
+  m_CurrentBackendId: 4072204805
+  m_FastMotionThreshold: 3.4028235e+38

ProjectSettings/Packages/com.unity.probuilder/Settings.json

@@ -71,6 +71,11 @@
                 "key": "editor.showSceneInfo",
                 "value": "{\"m_Value\":false}"
             },
+            {
+                "type": "System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089",
+                "key": "editor.stripProBuilderScriptsOnBuild",
+                "value": "{\"m_Value\":true}"
+            },
             {
                 "type": "UnityEngine.Rendering.ShadowCastingMode, UnityEngine.CoreModule, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null",
                 "key": "mesh.shadowCastingMode",