diff --git a/mods/CORE/mcl_compatibility/init.lua b/mods/CORE/mcl_compatibility/init.lua
index 0cd86f644..698de1b05 100644
--- a/mods/CORE/mcl_compatibility/init.lua
+++ b/mods/CORE/mcl_compatibility/init.lua
@@ -4,26 +4,31 @@ mcl_vars = mcl_vars or {}
 local modname = minetest.get_current_modname()
 local modpath = minetest.get_modpath(modname)
 
+local math = math
+local math_ceil = math.ceil
+local math_floor = math.floor
+local math_abs = math.abs
+local minetest_get_node = minetest.get_node
+
 if not bit then
 	bit = {}
 	function bit.bxor(a, b)
 		-- fake! mock! speedify for now! TODO: make proper xor bitwise
-		return math.ceil(math.abs(math.floor(a/0.14) * b * 1.001 + b))
+		return math_ceil(math_abs(math_floor(a/0.14) * b * 1.001 + b))
 	end
 end
 
 function math.round(x)
 	if x >= 0 then
-		return math.floor(x + 0.5)
+		return math_floor(x + 0.5)
 	end
-	return math.ceil(x - 0.5)
+	return math_ceil(x - 0.5)
 end
 
 dofile(modpath .. "/vector.lua")
 
-local minetest_get_node = minetest.get_node
-
 mcl_compatibility.sort_nodes = function(nodes)
+	local nodes = nodes
 	if not nodes then return {} end
 	for _, pos in pairs(nodes) do
 		if not pos.x or not pos.y or not pos.z then
@@ -34,22 +39,28 @@ mcl_compatibility.sort_nodes = function(nodes)
 	for _, pos in pairs(nodes) do
 		local node = minetest_get_node(pos)
 		local name = node.name
-		if not new_nodes[name] then
+		local ref = new_nodes[name]
+		if not ref then
 			new_nodes[name] = { pos }
 		else
-			table.insert(new_nodes[name], pos)
+			ref[#ref + 1] = pos
 		end
 	end
 	return new_nodes
 end
 
+local sort_nodes = mcl_compatibility.sort_nodes
+
 local minetest_find_nodes_in_area = minetest.find_nodes_in_area
 minetest.find_nodes_in_area = function(pos1, pos2, nodenames, grouped)
+	if not grouped then
+		return minetest_find_nodes_in_area(pos1, pos2, nodenames)
+	end
 	local nodes, num = minetest_find_nodes_in_area(pos1, pos2, nodenames, grouped)
-	if not grouped or not nodes or next(nodes) == nil then
+	if not nodes or next(nodes) == nil then
 		return nodes, num
 	end
-	return mcl_compatibility.sort_nodes(nodes)
+	return sort_nodes(nodes)
 end
 
 function mcl_vars.pos_to_block(pos)
@@ -65,7 +76,7 @@ function mcl_vars.get_chunk_number(pos)
 end
 
 function mcl_vars.is_generated(pos)
-	local node = minetest.get_node(pos)
+	local node = minetest_get_node(pos)
 	if not node then return false end
 	if node.name == "ignore" then return false end
 	return true
@@ -73,10 +84,10 @@ end
 
 function mcl_vars.get_node(p, force, us_timeout)
 	if not p or not p.x or not p.y or not p.z then return {name="error"} end
-	local node = minetest.get_node(p)
+	local node = minetest_get_node(p)
 	if node.name ~= "ignore" then return node end
 	minetest.get_voxel_manip():read_from_map(p, p)
-	return minetest.get_node(pos)
+	return minetest_get_node(pos)
 end
 
 mcl_vars.mg_overworld_min = -62
@@ -98,3 +109,17 @@ mcl_vars.mg_end_platform_pos = { x = 100, y = -26999, z = 0 }
 mcl_vars.mg_realm_barrier_overworld_end_max = -2062
 mcl_vars.mg_realm_barrier_overworld_end_min = -2073
 mcl_vars.mg_dungeons = true
+
+if not minetest.register_on_authplayer then
+	minetest.register_on_authplayer = function(callback_function)
+		minetest.register_on_prejoinplayer(function(name, ip)
+			callback_function(name, ip, true)
+		end)
+	end
+end
+
+if not minetest.colorspec_to_colorstring then
+	minetest.colorspec_to_colorstring = function(colorspec)
+		return '#334455'
+	end
+end
diff --git a/mods/HELP/doc/doc/mod.conf b/mods/HELP/doc/doc/mod.conf
index 0f65ddff7..6a846a452 100644
--- a/mods/HELP/doc/doc/mod.conf
+++ b/mods/HELP/doc/doc/mod.conf
@@ -1,4 +1,4 @@
 name = doc
 author = Wuzzy
 description = A simple in-game documentation system which enables mods to add help entries based on templates.
-optional_depends = unified_inventory, sfinv_buttons, central_message, inventory_plus
+optional_depends = unified_inventory, sfinv_buttons, central_message, inventory_plus, mcl_compatibility
diff --git a/mods/PLAYER/mcl_meshhand/mod.conf b/mods/PLAYER/mcl_meshhand/mod.conf
index b6ff804c2..5a400d994 100644
--- a/mods/PLAYER/mcl_meshhand/mod.conf
+++ b/mods/PLAYER/mcl_meshhand/mod.conf
@@ -2,3 +2,4 @@ name = mcl_meshhand
 author = jordan4ibanez
 description = Applies the player skin texture to the hand.
 depends = mcl_tools, mcl_skins
+optional_depends = mcl_compatibility