diff --git a/index.html b/index.html
index d3aafdfd..5b6c4d42 100644
--- a/index.html
+++ b/index.html
@@ -28,6 +28,7 @@
           <div id="versionList" class="dropdown-menu">
             <a class="dropdown-item" onclick="changeVersion('1.13')">1.13</a>
             <a class="dropdown-item" onclick="changeVersion('1.14')">1.14</a>
+            <a class="dropdown-item" onclick="changeVersion('1.15')">1.15</a>
           </div>
         </li>
         <li class="nav-item dropdown">
diff --git a/locales/en.json b/locales/en.json
index 8895e6bd..3d56ede5 100644
--- a/locales/en.json
+++ b/locales/en.json
@@ -129,6 +129,7 @@
 			"fill_player_head": "Fill Player Head",
 			"copy_name": "Copy Name",
 			"copy_nbt": "Copy NBT",
+			"copy_state": "Copy Block States",
 			"apply_bonus": "Apply Bonus",
 			"exploration_map": "Exploration Map Properties",
 			"set_stew_effect": "Set Stew Effect"
@@ -143,6 +144,8 @@
 		"levels": "Levels",
 		"treasure": "Treasure",
 		"limit": "Limit",
+		"block": "Block",
+		"properties": "Properties",
 		"entity": "Entity",
 		"source": "Source",
 		"replace": "Replace",
diff --git a/locales/ru.json b/locales/ru.json
index 8999af85..16424159 100644
--- a/locales/ru.json
+++ b/locales/ru.json
@@ -140,6 +140,7 @@
 		"levels": "Уровень",
 		"treasure": "Чары-сокровища",
 		"limit": "Ограничение",
+		"block": "Блок",
 		"entity": "Сущность",
 		"source": "Источник",
 		"replace": "Заменить старое",
diff --git a/locales/zh-CN.json b/locales/zh-CN.json
index 9699652f..33edd3bd 100644
--- a/locales/zh-CN.json
+++ b/locales/zh-CN.json
@@ -140,6 +140,7 @@
 		"levels": "等级",
 		"treasure": "宝藏型附魔",
 		"limit": "限制",
+		"block": "方块",
 		"entity": "实体",
 		"source": "源",
 		"replace": "覆盖",
diff --git a/model.js b/model.js
index b2cbb8f7..b04b39e5 100644
--- a/model.js
+++ b/model.js
@@ -283,7 +283,7 @@ function updateField(el) {
   let type = getType(el);
   let value = undefined;
 
-  if (type === 'string' || type === 'int' || type === 'float' || type === 'enum' || type === 'json' || type === 'nbt' || type === 'chance-list') {
+  if (type === 'string' || type === 'int' || type === 'float' || type === 'enum' || type === 'json' || type === 'nbt' || type === 'string-list' || type === 'chance-list') {
     value = $(el).val();
   }
   if (type === 'int') {
@@ -296,19 +296,21 @@ function updateField(el) {
     if (isNaN(value)) {
       value = '';
     }
-  } else if (type === 'chance-list') {
-    value = '[' + value + ']';
-    try {
-      value = JSON.parse(value);
-      for (let i = 0; i < value.length; i += 1) {
+  } else if (type === 'string-list' || type === 'chance-list') {
+    value = value.split(',');
+    for (let i = 0; i < value.length; i += 1) {
+      value[i] = value[i].trim();
+      if (type === 'chance-list') {
+        if (isNaN(value[i])) {
+          value = [];
+          break;
+        }
         if (value[i] > 1) {
           value[i] = 1;
         } else if (value[i] < 0) {
           value[i] = 0;
         }
       }
-    } catch(e) {
-      value = [];
     }
   } else if (type === 'enum') {
     if (value === 'unset') {
diff --git a/schemas/1.15.json b/schemas/1.15.json
index b35b1e23..c489f27e 100644
--- a/schemas/1.15.json
+++ b/schemas/1.15.json
@@ -174,6 +174,7 @@
             "minecraft:fill_player_head",
             "minecraft:copy_name",
             "minecraft:copy_nbt",
+            "minecraft:copy_state",
             "minecraft:apply_bonus",
             "minecraft:exploration_map",
             "minecraft:set_stew_effect"
@@ -306,6 +307,22 @@
             "minecraft:set_stew_effect"
           ]
         },
+        {
+          "id": "block",
+          "type": "string",
+          "translate": "$function.block",
+          "require":  [
+            "minecraft:copy_state"
+          ]
+        },
+        {
+          "id": "properties",
+          "type": "string-list",
+          "translate": "$function.properties",
+          "require":  [
+            "minecraft:copy_state"
+          ]
+        },
         {
           "id": "entity",
           "type": "enum",
diff --git a/view.js b/view.js
index 7062ab23..0357089e 100644
--- a/view.js
+++ b/view.js
@@ -70,6 +70,7 @@ function generateComponent(data, struct) {
     case 'string': return generateString(data, struct);
     case 'int': return generateString(data, struct);
     case 'float': return generateString(data, struct);
+    case 'string-list': return generateString(data, struct);
     case 'chance-list': return generateString(data, struct);
     case 'boolean': return generateBoolean(data, struct);
     case 'random': return generateRandom(data, struct);