WordPress had intended to include the menu navigation screen in Gutenberg 9.1 and WordPress 5.6. Development fell behind and it was decided to remove it from WordPress 5.6 and focus on the Gutenberg widgets screen functionality instead.
Gutenberg Navigation Screen
Gutenberg is a WordPress project whose goal is to modernize the process of building websites. Gutenberg uses a drag and drop interface.
The Gutenberg part of WordPress however is still under development, it’s an ongoing project. The different parts of building a website are rolled out one at a time as they are finished.
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