How do I add tiles to allow for added shortcuts?

On the new tab page I have set for 4 rows of shortcuts. In the fourth row I have 3 open spaces for tiles/shortcuts. There is no way to add the tiles whereas there was … (read more)

On the new tab page I have set for 4 rows of shortcuts. In the fourth row I have 3 open spaces for tiles/shortcuts. There is no way to add the tiles whereas there was previously a tile that would show that said "+add shortcut". Given I have room in the row to add 3 shortcuts, how do I add tiles to allow for added shortcuts?

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Firefox New tab

Make home page shortcuts bookmarked sites only, not searches.

Hi, the home page shortcuts used to be bookmarked sites I selected, and they stayed in one place. After a recent update Firefox litters the page with recent searches, dis… (read more)

Hi, the home page shortcuts used to be bookmarked sites I selected, and they stayed in one place. After a recent update Firefox litters the page with recent searches, displacing the ones I saved. I can't see a setting to select recent search shortcuts ON/OFF, how to restore the old (and very useful) shortcuts?

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Firefox New tab