The new Block editor has made a number of major changes. The link below describes some of the changes
The Editor opens with this Welcome screen. Clicking serially on NEXT in the bottom right corner accesses a series of synopsis of the new features. Clicking on the X top right corner closes the Welcome.
When the Welcome closes the screen appears as below.
The Editor screen defaults to Full Screen mode, which removes the top and left hand menu’s. To change to the old Screen mode, click on the three vertical dots to the right of Update to bring up the Editor View menu.
To change to the old Screen mode, click on Full Screen,
To add a new block, click on the blue icon above left
The Post Settings ( on the right) shows the Block parameters and is the default.
Selecting Document allows access to the documents settings.
