WordPress 5.7 updated the CSS classes on the Buttons Block to use Flexbox. This means that existing Buttons Blocks that were previously center-aligned ... Read More » about Button Alignment in WordPress 5.7
From the Blog
Create a Reusable Block in WordPress Gutenberg Editor
WordPress 5.0 and up has a new editor for posts and pages---the Gutenberg Editor. It's different from the previous editor, as it puts everything into ... Read More » about Create a Reusable Block in WordPress Gutenberg Editor