Fix 1

overworld/biomes/temperate-island.json

@@ -0,0 +1,45 @@
+{
+  "name": "Test Island",
+  "layers": [
+    {
+      "minHeight": 2,
+      "maxHeight": 3,
+      "palette": [
+        "SAND"
+      ]
+    },
+    {
+      "palette": [
+        "DIRT"
+      ]
+    },
+    {
+      "minHeight": 1,
+      "maxHeight": 3,
+      "palette": [
+        "DIRT",
+        "DIRT",
+        "COARSE_DIRT"
+      ]
+    }
+  ],
+  "generators": [
+    {
+      "generator": "sharper",
+      "min": -1,
+      "max": 3
+    }
+  ],
+  "slab": {
+    "style": {
+      "style": "STATIC"
+    },
+    "palette": [
+      "minecraft:sandstone_slab[type=bottom,waterlogged=false]",
+      "minecraft:smooth_sandstone_slab[type=bottom,waterlogged=false]",
+      "AIR",
+      "AIR"
+    ]
+  },
+  "derivative": "SNOWY_BEACH"
+}

overworld/dimensions/overworld.json

@@ -204,6 +204,9 @@
     "continentalStyle": {
         "style": "CELLULAR_IRIS_DOUBLE"
     },
+    "continentalHeightStyle": {
+        "style": "CELLULAR_HEIGHT_IRIS_DOUBLE"
+    },
     "continentZoom": 1,
     "dimensionAngleDeg": 19,
     "terrainZoom": 1,

overworld/generators/plain.json

@@ -3,7 +3,6 @@
     "interpolationScale": 272,
     "seed": 7246661,
     "composite": [{
-
         "style": {
             "style": "IRIS_DOUBLE",
             "zoom": 0.87,

overworld/regions/temperate.json

@@ -17,6 +17,9 @@
     "shoreBiomes": [
         "temperate-beach"
     ],
+    "islandBiomes": [
+        "temperate-island"
+    ],
     "deposits":[
         {
             "minHeight": 15,