Add Tahoe icon, do now show multiple betas on latest installers listing

opencore_legacy_patcher/constants.py

@@ -806,6 +806,10 @@ class Constants:
     def icon_path_macos_sequoia(self):
         return self.icns_resource_path / Path("Sequoia.icns")
 
+    @property
+    def icon_path_macos_tahoe(self):
+        return self.icns_resource_path / Path("Tahoe.icns")
+
     @property
     def gui_path(self):
         return self.payload_path / Path("Icon/Resources.zip")
@@ -840,6 +844,7 @@ class Constants:
             str(self.icon_path_macos_ventura),
             str(self.icon_path_macos_sonoma),
             str(self.icon_path_macos_sequoia),
+            str(self.icon_path_macos_tahoe),
         ]
 
     sbm_values = [

opencore_legacy_patcher/sucatalog/products.py

@@ -249,6 +249,17 @@ class CatalogProducts:
                         if installer in products_copy:
                             products_copy.pop(products_copy.index(installer))
 
+        # Remove duplicates of the same version (i.e. multiple betas still in catalog), keep only latest
+        version_map = {}
+        for installer in products_copy:
+            version = installer.get("Version")
+            post_date = installer.get("PostDate")
+            if version is None:
+                continue
+            if version not in version_map or post_date > version_map[version].get("PostDate", ""):
+                version_map[version] = installer
+
+        products_copy = list(version_map.values())
 
         # Remove EOL versions (older than n-3)
         for installer in products: