WordPress 5.2 is out now and it brings several useful new features, both large and small.
One of the nice small improvements is the ability to disable unwanted blocks. By default, WordPress arrives with dozens of blocks and every time you install a plugin, there's a chance that the plugin will add many more.
If your site ends up with hundreds of blocks, your writing interface will be slow and confusing. Here's a preview of all the block areas, even in a default WordPress site: