Hi,
Our theme didn’t have any automatic update function and it can only be updated manually by the user. If your theme has not been updated manually, please check the WordPress settings or plugins that can affect the themes of your site.
Sorry for the inconvenience. The dark mode was accidentally disabled in our latest release. To enable it you can use our theme CSS Generator or replace style.css and style.min.css files with files from the archive. This issue will be fixed very soon https://drive.google.com/file/d/13P-q4taMVfvXGCqv9-_3Wvb-88sePqlU/view
Kind Regards
XTemos Studio