Patched tools getting stuck in SFoTH IV.

Player/ToolStuckPatch.server.lua

@@ -0,0 +1,17 @@
+local character = script.Parent
+
+local function onChildAdded(child)
+    if child:IsA("Tool") and child.RequiresHandle then
+        local handle = child:FindFirstChild("Handle")
+
+        if handle and handle:IsGrounded() then
+            workspace:UnjoinFromOutsiders{character}
+        end
+    end
+end
+
+for _,child in pairs(character:GetChildren()) do
+    onChildAdded(child)
+end
+
+character.ChildAdded:Connect(onChildAdded)

default.project.json

@@ -22,12 +22,16 @@
 
 		"ReplicatedStorage":
 		{
+			"$ignoreUnknownInstances": true,
+
 			"$className": "ReplicatedStorage",
 			"$path": "Shared"
 		},
 		
 		"ServerStorage":
 		{
+			"$ignoreUnknownInstances": true,
+
 			"$className": "ServerStorage",
 			"$path": "Server/Resources",
 			
@@ -54,6 +58,7 @@
 		
 		"ServerScriptService": 
 		{
+			"$ignoreUnknownInstances": true,
 			"$className": "ServerScriptService",
 			"$path": "Server/Scripts"
 		},
@@ -64,7 +69,6 @@
 			
 			"$properties": 
 			{
-				
 				"DevComputerMovementMode": "KeyboardMouse",
 				"DevTouchCameraMovementMode": "Classic",
 				"LoadCharacterAppearance": false,
@@ -73,12 +77,14 @@
 			
 			"StarterCharacterScripts":
 			{
+				"$ignoreUnknownInstances": true,
 				"$className": "StarterCharacterScripts",
 				"$path": "Player"
 			},
 			
 			"StarterPlayerScripts":
 			{
+				"$ignoreUnknownInstances": true,
 				"$className": "StarterPlayerScripts",
 				"$path": "Client"
 			}