If you update to version 20230111, please note that: * The theming has slightly been changed. Now there is distinction between bundled and custom themes. * The previously bundled dark and light themes have been renamed. So if you used these themes, you now have to manually update these themes to the new pgc-dark and pgc-light themes. * The popup theme has been removed. This can now be set in your custom theme. See for details about this release: https://blog.michielvaneerd.nl/wordpress-plugins/private-google-calendars/version-20230111-details/ This plugin can display multiple private (and public) Google calendars with a shortcode, Gutenberg block or as a widget. See the webpage for more information. Features Access to private (and public) calendars by using OAuth2 or an API key. Adjustable caching – this can greatly improve the performance. It uses the FullCalendar library to show the calendar and can be fully customized within the Gutenberg block, shorcode attributes and the widget settings. Calendar filtering.