To update the WebCatalog app:
Open the app.
Select "Check for Updates" from the sidebar.
If an update is available, WebCatalog app will download it automatically. After the update is downloaded, the app will prompt to restart. Restart the app to complete.
If the app updater does not work, you can manually download and install the latest version of WebCatalog Desktop from https://desktop.webcatalog.io/. Your data won't be affected.