diff --git a/src/app/Router.ts b/src/app/Router.ts
index 818e1e7b..4f6b3d91 100644
--- a/src/app/Router.ts
+++ b/src/app/Router.ts
@@ -1,4 +1,4 @@
-import { App, Models } from './App';
+import { App, checkVersion, Models } from './App';
 import { View } from './views/View';
 import { Home } from './views/Home'
 import { FieldSettings } from './views/FieldSettings'
@@ -42,7 +42,10 @@ const router = async () => {
     }
   }
 
-  document.title = locale('title.suffix', [title])
+  const versions = config.versions
+    .filter(v => checkVersion(v.id, App.model.get()?.minVersion))
+    .map(v => v.id).join(', ')
+  document.title = `${title} Minecraft ${versions}`
   App.mobilePanel.set(panel)
   const view = new View()
   view.mount(target, renderer(view), true)
diff --git a/src/app/preview/DecoratorPreview.ts b/src/app/preview/DecoratorPreview.ts
index 2e5f80b2..acaa1ffa 100644
--- a/src/app/preview/DecoratorPreview.ts
+++ b/src/app/preview/DecoratorPreview.ts
@@ -203,6 +203,14 @@ export class DecoratorPreview extends Preview {
       }
       return new Array(count).fill(pos)
     },
+    count_multilayer: (config, pos) => {
+      return new Array(this.sampleUniformInt(config?.count ?? 1)).fill(pos)
+        .map(p => [
+          p[0] + this.nextInt(16),
+          p[1], 
+          p[2] + this.nextInt(16)
+        ])
+    },
     count_noise: (config, pos) => {
       const noise = this.biomeInfoNoise.getValue(pos[0] / 200, 0, pos[2] / 200)
       const count = noise < config.noise_level ? config.below_noise : config.above_noise
diff --git a/src/index.html b/src/index.html
index 3ef63d53..6ef14436 100644
--- a/src/index.html
+++ b/src/index.html
@@ -21,7 +21,6 @@
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <meta name="description" content="<%= htmlWebpackPlugin.options.title %>. Generate JSON and use it in data packs.">
   <meta name="og:title" content="<%= htmlWebpackPlugin.options.title %>">
-  <meta name="og:description" content="<%= htmlWebpackPlugin.options.title %>. Generate JSON and use it in data packs.">
   <title><%= htmlWebpackPlugin.options.title %></title>
   <link rel="icon" href="/favicon-32.png" sizes="32x32">
   <link rel="stylesheet" href="<%= htmlWebpackPlugin.files.publicPath %>styles/global.css">
diff --git a/src/locales/en.json b/src/locales/en.json
index 6c2fcac9..888662e6 100644
--- a/src/locales/en.json
+++ b/src/locales/en.json
@@ -26,7 +26,6 @@
   "share": "Share",
   "title.generator": "%0% Generator",
   "title.home": "Data Pack Generators",
-  "title.suffix": "%0% Minecraft 1.15, 1.16, 1.17",
   "presets": "Presets",
   "preview": "Visualize",
   "preview.show_density": "Show Density",
diff --git a/src/locales/zh-cn.json b/src/locales/zh-cn.json
index 1987b9c1..c7d2f67e 100644
--- a/src/locales/zh-cn.json
+++ b/src/locales/zh-cn.json
@@ -22,7 +22,6 @@
   "share": "分享",
   "title.generator": "%0% 生成器",
   "title.home": "数据包生成器",
-  "title.suffix": "%0% Minecraft 1.15, 1.16, 1.17",
   "undo": "撤销",
   "world": "世界设置",
   "worldgen/biome": "生物群系",
diff --git a/src/locales/zh-tw.json b/src/locales/zh-tw.json
index 275f9c59..020d286c 100644
--- a/src/locales/zh-tw.json
+++ b/src/locales/zh-tw.json
@@ -22,7 +22,6 @@
   "share": "分享",
   "title.generator": "%0% 生成器",
   "title.home": "資料包生成器",
-  "title.suffix": "%0% Minecraft 1.15, 1.16, 1.17",
   "undo": "復原",
   "world": "世界設定",
   "worldgen/biome": "生態域",
diff --git a/webpack.config.js b/webpack.config.js
index aa5c6713..09b74b46 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -55,9 +55,15 @@ module.exports = (env, argv) => ({
       template: 'src/index.html'
     }),
     ...config.models.map(m => new HtmlWebpackPlugin({
-      title: `${m.name} Generator${m.category === true ? 's' : ''} Minecraft 1.15, 1.16, 1.17`,
+      title: getTitle(m),
       filename: `${m.id}/index.html`,
       template: 'src/index.html'
     }))
   ]
 })
+
+function getTitle(m) {
+  const minVersion = Math.max(0, config.versions.findIndex(v => m.minVersion === v.id))
+  const versions = config.versions.slice(minVersion).map(v => v.id).join(', ')
+  return `${m.name} Generator${m.category === true ? 's' : ''} Minecraft ${versions}`
+}