diff --git a/technic/machines/MV/solar_array.lua b/technic/machines/MV/solar_array.lua
index 4fbf12f..d939fb9 100644
--- a/technic/machines/MV/solar_array.lua
+++ b/technic/machines/MV/solar_array.lua
@@ -10,3 +10,5 @@ minetest.register_craft({
 
 technic.register_solar_array({tier="MV", power=30})
 
+-- compatibility alias for upgrading from old versions of technic
+minetest.register_alias("technic:solar_panel_mv", "technic:solar_array_mv")
diff --git a/technic/tools/init.lua b/technic/tools/init.lua
index e1db7ed..60327a5 100644
--- a/technic/tools/init.lua
+++ b/technic/tools/init.lua
@@ -14,3 +14,8 @@ dofile(path.."/chainsaw.lua")
 dofile(path.."/tree_tap.lua")
 dofile(path.."/sonic_screwdriver.lua")
 
+if minetest.get_modpath("screwdriver") then
+	-- compatibility alias
+	minetest.register_alias("technic:screwdriver", "screwdriver:screwdriver")
+end
+
diff --git a/technic_worldgen/init.lua b/technic_worldgen/init.lua
index 16334ff..7e80fd3 100644
--- a/technic_worldgen/init.lua
+++ b/technic_worldgen/init.lua
@@ -14,6 +14,10 @@ dofile(modpath.."/crafts.lua")
 -- Rubber trees, moretrees also supplies these
 if not minetest.get_modpath("moretrees") then
 	dofile(modpath.."/rubber.lua")
+else
+	-- older versions of technic provided rubber trees regardless
+	minetest.register_alias("technic:rubber_sapling", "moretrees:rubber_tree_sapling")
+	minetest.register_alias("technic:rubber_tree_empty", "moretrees:rubber_tree_trunk_empty")
 end
 
 -- mg suppport
diff --git a/technic_worldgen/nodes.lua b/technic_worldgen/nodes.lua
index 5ecae7b..07ec4af 100644
--- a/technic_worldgen/nodes.lua
+++ b/technic_worldgen/nodes.lua
@@ -101,4 +101,6 @@ minetest.register_craft({
 })
 
 minetest.register_alias("technic:diamond_block", "default:diamondblock")
+minetest.register_alias("technic:diamond", "default:diamond")
+minetest.register_alias("technic:mineral_diamond", "default:stone_with_diamond")