Link color setting has been added as an experimental feature in Gutenberg8.3. The theme has this feature enabled.

Group blocks can use custom classes to change the layout. grid class You can use the grid class to display the blocks contained in a group in a grid. Enhanced layout with GRID class added to group block If you want to include multiple blocks such as titles and paragraphs in the grid, select them all to create child blocks or column blocks. You can add a block width class to a […]