diff --git a/api.lua b/api.lua
index ccad173..34bcf49 100644
--- a/api.lua
+++ b/api.lua
@@ -25,7 +25,7 @@ local use_cmi = minetest.global_exists("cmi")
 
 mobs = {
 	mod = "redo",
-	version = "20230331",
+	version = "20230403",
 	intllib = S,
 	invis = minetest.global_exists("invisibility") and invisibility or {}
 }
@@ -3072,6 +3072,28 @@ function mob_class:on_punch(hitter, tflp, tool_capabilities, dir, damage)
 end
 
 
+-- helper function to clean mob staticdata
+local function clean_staticdata(self)
+
+	local tmp, t = {}
+
+	for _,stat in pairs(self) do
+
+		t = type(stat)
+
+		if  t ~= "function"
+		and t ~= "nil"
+		and t ~= "userdata"
+		and _ ~= "object"
+		and _ ~= "_cmi_components" then
+			tmp[_] = self[_]
+		end
+	end
+
+	return tmp
+end
+
+
 -- get entity staticdata
 function mob_class:mob_staticdata()
 
@@ -3111,22 +3133,7 @@ function mob_class:mob_staticdata()
 		self.serialized_cmi_components = cmi.serialize_components(self._cmi_components)
 	end
 
-	local tmp, t = {}
-
-	for _,stat in pairs(self) do
-
-		t = type(stat)
-
-		if  t ~= "function"
-		and t ~= "nil"
-		and t ~= "userdata"
-		and _ ~= "object"
-		and _ ~= "_cmi_components" then
-			tmp[_] = self[_]
-		end
-	end
-
-	return minetest.serialize(tmp)
+	return minetest.serialize(clean_staticdata(self))
 end
 
 
@@ -3155,7 +3162,7 @@ function mob_class:mob_activate(staticdata, def, dtime)
 		return
 	end
 
-	-- load entity variables
+	-- load entity variables from staticdata into self.
 	local tmp = minetest.deserialize(staticdata)
 
 	if tmp then
@@ -4404,22 +4411,7 @@ function mobs:force_capture(self, clicker)
 	-- add special mob egg with all mob information
 	local new_stack = ItemStack(self.name .. "_set")
 
-	local tmp, t = {}
-
-	for _,stat in pairs(self) do
-
-		t = type(stat)
-
-		if  t ~= "function"
-		and t ~= "nil"
-		and t ~= "userdata"
-		and _ ~= "object"
-		and _ ~= "_cmi_components" then
-			tmp[_] = self[_]
-		end
-	end
-
-	local data_str = minetest.serialize(tmp)
+	local data_str = minetest.serialize(clean_staticdata(self))
 
 	new_stack:set_metadata(data_str)
 
@@ -4518,22 +4510,7 @@ function mobs:capture_mob(
 
 				new_stack = ItemStack(mobname .. "_set")
 
-				local tmp, t = {}
-
-				for _,stat in pairs(self) do
-
-					t = type(stat)
-
-					if  t ~= "function"
-					and t ~= "nil"
-					and t ~= "userdata"
-					and _ ~= "object"
-					and _ ~= "_cmi_components" then
-						tmp[_] = self[_]
-					end
-				end
-
-				local data_str = minetest.serialize(tmp)
+				local data_str = minetest.serialize(clean_staticdata(self))
 
 				new_stack:set_metadata(data_str)
 			end
@@ -4811,23 +4788,7 @@ function mobs:alias_mob(old_name, new_name)
 		end,
 
 		get_staticdata = function(self)
-
-			local tmp, t = {}
-
-			for _,stat in pairs(self) do
-
-				t = type(stat)
-
-				if  t ~= "function"
-				and t ~= "nil"
-				and t ~= "userdata"
-				and _ ~= "object"
-				and _ ~= "_cmi_components" then
-					tmp[_] = self[_]
-				end
-			end
-
-			return minetest.serialize(tmp)
+			return minetest.serialize(clean_staticdata(self))
 		end
 	})
 end
diff --git a/api.txt b/api.txt
index 0e7bc33..f26227e 100644
--- a/api.txt
+++ b/api.txt
@@ -351,6 +351,8 @@ for each mob.
    'self.child_texture' contains mob child texture when growing up
    'self.base_texture'  contains current skin texture which was randomly
                         selected from textures list
+   'self.texture_mods'  contains a list of textures to overlay above the mobs
+                        base texture (used for horse saddle)
    'self.gotten'        this is used for obtaining milk from cow and wool from
                         sheep
    'self.horny'         when animal fed enough it is set to true and animal can
@@ -364,6 +366,10 @@ for each mob.
    'self.order'         set to "follow" or "stand" so that npc will follow owner
                         or stand it's ground
    'self.nametag'       contains the name of the mob which it can show above
+   'self.pause_timer'   used to stop mob thinking when punched so that knockback
+                        can take effect.
+   'self.disable_falling' currently used on spider mob when climbing walls, stops
+                          the mob from experiencing gravity when true.
    'self.state'         Current mob state.
                         "stand": no movement (except turning around)
                         "walk": walk or move around aimlessly