diff --git a/hot-metals/changelog.txt b/hot-metals/changelog.txt
index aa6ba0b..8816037 100644
--- a/hot-metals/changelog.txt
+++ b/hot-metals/changelog.txt
@@ -1,16 +1,4 @@
 ---------------------------------------------------------------------------------------------------
-Version: 1.2.7
-Date: 22.08.2025
-  Bug Fixes:
-    - Simplify weight calculation to prevent infinite recursion (https://mods.factorio.com/mod/hot-metals/discussion/68a3a137a86e2ca3d73388fe)
-    - Always show hot variants in filter menus (https://mods.factorio.com/mod/hot-metals/discussion/685ac28c1436373189fc0bff)
----------------------------------------------------------------------------------------------------
-Version: 1.2.6
-Date: 18.04.2025
-  Changes:
-    - Add polish translation (I forgot who did it :-( )
-    - Move technology changes to final fixes stage
----------------------------------------------------------------------------------------------------
 Version: 1.2.5
 Date: 04.02.2025
   Changes:
diff --git a/hot-metals/data-final-fixes.lua b/hot-metals/data-final-fixes.lua
deleted file mode 100644
index 5a61b06..0000000
--- a/hot-metals/data-final-fixes.lua
+++ /dev/null
@@ -1 +0,0 @@
-require("prototypes/hot-metals-final")
\ No newline at end of file
diff --git a/hot-metals/info.json b/hot-metals/info.json
index b1fbb89..1678653 100644
--- a/hot-metals/info.json
+++ b/hot-metals/info.json
@@ -1,10 +1,10 @@
 {
    "name": "hot-metals",
-   "version": "1.2.7",
+   "version": "1.2.5",
    "title": "Hot metals",
    "description": "A furnace doesn't just output cold usable results. You need to wait for them to cool down.",
    "author": "cackling fiend",
-   "homepage": "https://discord.gg/ufvFUJtVwk",
+   "homepage": "",
    "factorio_version": "2.0",
    "dependencies": [
       "base",
diff --git a/hot-metals/locale/pl/strings.cfg b/hot-metals/locale/pl/strings.cfg
deleted file mode 100644
index 01c6fa9..0000000
--- a/hot-metals/locale/pl/strings.cfg
+++ /dev/null
@@ -1,12 +0,0 @@
-[item-name]
-hot=Hot
-
-[mod-setting-name]
-hot-metals-time=Czas stygnięcia 
-hot-metals-plastic=Dodaj gorący plastik
-hot-metals-bricks=dodaj gorące kamienne cegły i beton
-
-[mod-setting-description]
-hot-metals-time=Czas w sekundach, jaki jest potrzebny, aby gorący przedmiot ostygł.  
-hot-metals-plastic=Chociaż temperatura gorącego plastiku jest znacznie niższa w porównaniu do metali, możesz chcieć mieć jego gorącą wersję.  
-hot-metals-bricks=Kamienne cegły i beton nie są domyślnie uwzględnione. Jeśli lubisz grać z gorącymi wariantami, możesz włączyć tę opcję.
\ No newline at end of file
diff --git a/hot-metals/prototypes/hot-metals-final.lua b/hot-metals/prototypes/hot-metals-final.lua
deleted file mode 100644
index 7b42417..0000000
--- a/hot-metals/prototypes/hot-metals-final.lua
+++ /dev/null
@@ -1,9 +0,0 @@
--- Change technology triggers
-for _, tech in pairs(data.raw.technology) do
-    if tech.research_trigger then
-        local item = data.raw.item[tech.research_trigger.item]
-        if item and item.hot_item and not contains(HotMetals.skipTechUnlocksFor, item.name) then
-            tech.research_trigger.item = item.hot_item
-        end
-    end
-end
\ No newline at end of file
diff --git a/hot-metals/prototypes/hot-metals.lua b/hot-metals/prototypes/hot-metals.lua
index 4c7bec5..d6ab1a1 100644
--- a/hot-metals/prototypes/hot-metals.lua
+++ b/hot-metals/prototypes/hot-metals.lua
@@ -1,5 +1,52 @@
 local defaultSpoilTicks = settings.startup["hot-metals-time"].value * 60
 
+---@param name data.ItemID
+---@return data.ItemPrototype?
+function getItem(name)
+    if data.raw.item[name] then
+        return data.raw.item[name] --[[@as data.ItemPrototype]]
+    end
+    for item_type in pairs(defines.prototypes.item) do
+        local type_lookup = data.raw[item_type]
+        if type_lookup and type_lookup[name] then
+            return type_lookup[name] --[[@as data.ItemPrototype]]
+        end
+    end
+end
+
+---@param table item
+---@return number
+function getWeight(item)
+    if type(item) == "string" then
+        item = getItem(item)
+    end
+    if item.weight then return item.weight end
+    local factor = item.ingredient_to_weight_coefficient or 0.5
+    for _, recipe in pairs(data.raw.recipe) do
+        if recipe.results == nil then
+            goto continue
+        end
+        local function isResultMatch(result)
+            return result.name == item.name
+        end
+        local results = table.filter(recipe.results, isResultMatch)
+        if #results > 0 then
+            for _, ingredient in pairs(recipe.ingredients) do
+                if ingredient.type == "item" then
+                    local weight = data.raw.item[ingredient.name].weight or getWeight(data.raw.item[ingredient.name])
+                    local amount = ingredient.amount
+                    if ingredient.amount_min and ingredient.amount_max then
+                        amount = (ingredient.amount_min + ingredient.amount_max) / 2
+                    end
+                    return amount * weight * factor
+                end
+            end
+        end
+        ::continue::
+    end
+    return 100
+end
+
 function createHotVariant(config)
     local itemName = config
     local spoilTicks = defaultSpoilTicks
@@ -11,13 +58,13 @@ function createHotVariant(config)
         iconFolder = config.iconFolder or iconFolder
     end
     local item = data.raw.item[itemName]
-    item.weight = item.weight or 10000
+    item.weight = getWeight(item)
 
     -- Create new item
     local hotItem = table.deepcopy(data.raw.item[itemName])
     hotItem.name = "hot-" .. itemName
     hotItem.localised_name = { "", { "item-name.hot" }, " ", { "item-name." .. itemName } }
-    if config.icons then
+    if (config.icons) then
         hotItem.icons = config.icons
     else
         hotItem.icon = iconFolder .. "hot-" .. itemName .. ".png"
@@ -27,15 +74,8 @@ function createHotVariant(config)
     hotItem.weight = item.weight
     hotItem.spoil_result = itemName
     hotItem.spoil_ticks = spoilTicks
-    hotItem.flags = hotItem.flags or {}
-    if not table.contains(hotItem.flags, "always-show") then
-        table.insert(hotItem.flags, "always-show")
-    end
-
     data:extend({ hotItem })
 
-    item.hot_item = hotItem.name
-
     -- Change recipes
     for _, recipe in pairs(data.raw.recipe) do
         if contains(HotMetals.craftingCategories, recipe.category) then
@@ -61,6 +101,13 @@ function createHotVariant(config)
             end
         end
     end
+
+    -- Change technology triggers
+    for _, tech in pairs(data.raw.technology) do
+        if tech.research_trigger and tech.research_trigger.item == itemName and not contains(HotMetals.skipTechUnlocksFor, itemName) then
+            tech.research_trigger.item = hotItem.name
+        end
+    end
 end
 
 -- Checks if a table contains a certain value