Stable version check

.vscode/settings.json

@@ -23,5 +23,11 @@
     "exportall.config.folderListener": [
         "/src/pagesView/state/atom",
         "/src/pagesView/state/selectors"
+    ],
+    "frontMatter.content.pageFolders": [
+        {
+            "title": "documentation",
+            "path": "[[workspace]]/docs/content/docs"
+        }
     ]
 }

src/extension.ts

@@ -27,7 +27,7 @@ export async function activate({ subscriptions, extensionUri, extensionPath, glo
 	if (basename(globalStorageUri.fsPath) === EXTENSION_BETA_ID) {
 		const mainVersion = vscode.extensions.getExtension(EXTENSION_ID);
 
-		if (!mainVersion) {
+		if (mainVersion) {
 			Notifications.error(`Front Matter BETA cannot be used while the main version is installed. Please ensure that you have only over version installed.`);
 			return undefined;
 		}