diff --git a/package-lock.json b/package-lock.json
index 163afc1f..5c91495d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,15 +16,15 @@
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-        "@mcschema/java-1.19.3": "^0.0.15",
-        "@mcschema/java-1.19.4": "^0.1.19",
-        "@mcschema/java-1.20": "^0.0.22",
-        "@mcschema/java-1.20.2": "^0.0.12",
-        "@mcschema/java-1.20.3": "^0.0.13",
-        "@mcschema/java-1.20.5": "^0.0.37",
-        "@mcschema/java-1.21": "^0.0.22",
-        "@mcschema/java-1.21.2": "^0.0.3",
+        "@mcschema/java-1.19": "^0.1.53",
+        "@mcschema/java-1.19.3": "^0.0.16",
+        "@mcschema/java-1.19.4": "^0.1.20",
+        "@mcschema/java-1.20": "^0.0.23",
+        "@mcschema/java-1.20.2": "^0.0.13",
+        "@mcschema/java-1.20.3": "^0.0.14",
+        "@mcschema/java-1.20.5": "^0.0.38",
+        "@mcschema/java-1.21": "^0.0.23",
+        "@mcschema/java-1.21.2": "^0.0.5",
         "@mcschema/locales": "^0.1.104",
         "@zip.js/zip.js": "^2.4.5",
         "brace": "^0.11.1",
@@ -672,73 +672,73 @@
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+      "version": "0.0.38",
+      "resolved": "https://registry.npmjs.org/@mcschema/java-1.20.5/-/java-1.20.5-0.0.38.tgz",
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       }
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     "node_modules/@mcschema/java-1.21": {
-      "version": "0.0.22",
-      "resolved": "https://registry.npmjs.org/@mcschema/java-1.21/-/java-1.21-0.0.22.tgz",
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+      "version": "0.0.23",
+      "resolved": "https://registry.npmjs.org/@mcschema/java-1.21/-/java-1.21-0.0.23.tgz",
+      "integrity": "sha512-dliWLRX7d2boAmruXBn5SoVcjSLCwMlvFlFgCQJNBDwl0zl+FM64mDyqgofTcjQ98w4tTx4yODIUUE9VNmbAWQ==",
       "dependencies": {
         "@mcschema/core": "^0.13.0"
       }
     },
     "node_modules/@mcschema/java-1.21.2": {
-      "version": "0.0.3",
-      "resolved": "https://registry.npmjs.org/@mcschema/java-1.21.2/-/java-1.21.2-0.0.3.tgz",
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+      "version": "0.0.5",
+      "resolved": "https://registry.npmjs.org/@mcschema/java-1.21.2/-/java-1.21.2-0.0.5.tgz",
+      "integrity": "sha512-j1sGl43xr+gdYzF2MaqSUC9Nex05ZK/btJGYUj8lzqUoaWU7XXQNSHx39nBQjR0Z9TpMnjuryQ3nhX6DQAsnQw==",
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@@ -4793,73 +4793,73 @@
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+      "version": "0.1.53",
+      "resolved": "https://registry.npmjs.org/@mcschema/java-1.19/-/java-1.19-0.1.53.tgz",
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       "requires": {
         "@mcschema/core": "^0.13.0"
       }
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-      "version": "0.0.15",
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+      "version": "0.0.16",
+      "resolved": "https://registry.npmjs.org/@mcschema/java-1.19.3/-/java-1.19.3-0.0.16.tgz",
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+      "version": "0.1.20",
+      "resolved": "https://registry.npmjs.org/@mcschema/java-1.19.4/-/java-1.19.4-0.1.20.tgz",
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+      "resolved": "https://registry.npmjs.org/@mcschema/java-1.20.3/-/java-1.20.3-0.0.14.tgz",
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+      "resolved": "https://registry.npmjs.org/@mcschema/java-1.21/-/java-1.21-0.0.23.tgz",
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       }
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     "@mcschema/java-1.21.2": {
-      "version": "0.0.3",
-      "resolved": "https://registry.npmjs.org/@mcschema/java-1.21.2/-/java-1.21.2-0.0.3.tgz",
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+      "version": "0.0.5",
+      "resolved": "https://registry.npmjs.org/@mcschema/java-1.21.2/-/java-1.21.2-0.0.5.tgz",
+      "integrity": "sha512-j1sGl43xr+gdYzF2MaqSUC9Nex05ZK/btJGYUj8lzqUoaWU7XXQNSHx39nBQjR0Z9TpMnjuryQ3nhX6DQAsnQw==",
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       }
diff --git a/package.json b/package.json
index 7a82a53a..25eed559 100644
--- a/package.json
+++ b/package.json
@@ -22,15 +22,15 @@
     "@mcschema/java-1.17": "^0.2.40",
     "@mcschema/java-1.18": "^0.3.16",
     "@mcschema/java-1.18.2": "^0.1.25",
-    "@mcschema/java-1.19": "^0.1.52",
-    "@mcschema/java-1.19.3": "^0.0.15",
-    "@mcschema/java-1.19.4": "^0.1.19",
-    "@mcschema/java-1.20": "^0.0.22",
-    "@mcschema/java-1.20.2": "^0.0.12",
-    "@mcschema/java-1.20.3": "^0.0.13",
-    "@mcschema/java-1.20.5": "^0.0.37",
-    "@mcschema/java-1.21": "^0.0.22",
-    "@mcschema/java-1.21.2": "^0.0.3",
+    "@mcschema/java-1.19": "^0.1.53",
+    "@mcschema/java-1.19.3": "^0.0.16",
+    "@mcschema/java-1.19.4": "^0.1.20",
+    "@mcschema/java-1.20": "^0.0.23",
+    "@mcschema/java-1.20.2": "^0.0.13",
+    "@mcschema/java-1.20.3": "^0.0.14",
+    "@mcschema/java-1.20.5": "^0.0.38",
+    "@mcschema/java-1.21": "^0.0.23",
+    "@mcschema/java-1.21.2": "^0.0.5",
     "@mcschema/locales": "^0.1.104",
     "@zip.js/zip.js": "^2.4.5",
     "brace": "^0.11.1",
diff --git a/src/config.json b/src/config.json
index 7e2177e3..b78a7d74 100644
--- a/src/config.json
+++ b/src/config.json
@@ -163,7 +163,7 @@
       "id": "1.21.2",
       "dynamic": true,
       "name": "1.21.2",
-      "pack_format": 49,
+      "pack_format": 52,
       "show": true
     }
   ],
@@ -278,6 +278,12 @@
       "schema": "instrument",
       "minVersion": "1.21.2"
     },
+    {
+      "id": "trial_spawner",
+      "url": "trial-spawner",
+      "schema": "trial_spawner",
+      "minVersion": "1.21.2"
+    },
     {
       "id": "pack_mcmeta",
       "url": "pack-mcmeta",
diff --git a/src/locales/en.json b/src/locales/en.json
index 44e61f94..2f2d3312 100644
--- a/src/locales/en.json
+++ b/src/locales/en.json
@@ -101,8 +101,9 @@
   "generator.tag/worldgen/structure_set": "Structure Set Tag",
   "generator.tag/worldgen/world_preset": "World Preset Tag",
   "generator.text_component": "Text Component",
-  "generator.trim_material": "Trim material",
-  "generator.trim_pattern": "Trim pattern",
+  "generator.trial_spawner": "Trial Spawner",
+  "generator.trim_material": "Trim Material",
+  "generator.trim_pattern": "Trim Pattern",
   "generator.wolf_variant": "Wolf Variant",
   "generator.world": "World Settings",
   "generator.worldgen/biome": "Biome",