I wanted to have a static home page, but showing the latest post. Gutenberg Editor has Recent post block that does the job without need for additional plugins. How to Display Recent Posts in WordPress (wpbeginner.com)
Hide date in wordpress posts
To remove both the date and comment, you can add the below code in your theme’s style.css. (Use browser’s development tool to identify elements.) .post-details{display:none;} Instead of changing themes’s style.css it’s recommended to use child theme.
Hide admin bar in WordPress
Admin bar should appear only for logged user, but for some reasons it’s shown all the time. I tried few plugins, but remove the admin bar for all user, preventing frond end changes. To remove the admin bar only for
Multi Language WordPress Site
Polylang plugin https://wordpress.org/plugins/polylang/ does pretty good job. After activating the plugin all the content with no defined language disappears, so you have to manually specify the language for each post or pages. Also you need to create additional menus for each