diff --git a/manifest.json b/manifest.json
index 53ef378..6a992c0 100644
--- a/manifest.json
+++ b/manifest.json
@@ -30,6 +30,14 @@
         "sourceUrl": "https://git.ajpanton.se/ajp_anton/jellyfin-plugin-repository/raw/branch/main/releases/jellyfin-multilang_0.2.1.0.zip",
         "checksum": "73a17cf6f0fa35708e100d7aa118f8b0",
         "timestamp": "2026-07-16T01:56:37Z"
+      },
+      {
+        "version": "0.3.0.0",
+        "changelog": "Jellyfin 12 RC compatibility build: retarget to .NET 10/Jellyfin 12 packages and use standard Jellyfin authorization headers for plugin and proxied requests.",
+        "targetAbi": "12.0.0.0",
+        "sourceUrl": "https://git.ajpanton.se/ajp_anton/jellyfin-plugin-repository/raw/branch/main/releases/jellyfin-multilang_0.3.0.0.zip",
+        "checksum": "fd3d1ecfdb5bc7307e83d3f584eab9a4",
+        "timestamp": "2026-07-16T00:50:34Z"
       }
     ]
   }
diff --git a/releases/jellyfin-multilang_0.3.0.0.zip b/releases/jellyfin-multilang_0.3.0.0.zip
new file mode 100644
index 0000000..e814701
Binary files /dev/null and b/releases/jellyfin-multilang_0.3.0.0.zip differ