Add metadata for NetBeans 12.1 release and 12.1-beta1
diff --git a/meta/netbeansrelease.json b/meta/netbeansrelease.json
index 9de188d..5575e55 100644
--- a/meta/netbeansrelease.json
+++ b/meta/netbeansrelease.json
@@ -258,6 +258,35 @@
             "year": "2020"
         }
     },
+    "release121": {
+        "position": "8",
+        "ant": "Ant (latest)",
+        "jdk": "JDK 1.8 (latest)",
+        "jdk_apidoc": "https://docs.oracle.com/javase/8/docs/api/",
+        "maven": "Maven 3.3.9",
+        "versionName": "12.1",
+        "mavenversion": "RELEASE121",
+        "tlp": "true",
+        "apidocurl": "https://bits.netbeans.org/12.1/javadoc",
+        "update_url": "https://netbeans.apache.org/nb/updates/12.1/updates.xml.gz?{$netbeans.hash.code}",
+        "plugin_url": "https://netbeans.apache.org/nb/plugins/12.1/catalog.xml.gz",
+        "milestones": {
+            "08d65f163be3bb1232098cc66b558438e90ddc01": {
+                "version": "beta1",
+                "position": "1"
+            }
+        },
+        "releasedate": {
+            "day": "-",
+            "month": "-",
+            "year": "-"
+        },
+        "previousreleasedate": {
+            "day": "04",
+            "month": "06",
+            "year": "2020"
+        }
+    },
     "master": {
         "position": "50000",
         "ant": "Ant (latest)",