Unable to edit lovelace after installing core-2021.3.3

I have just updated to core-2021.3.3. After restarting HA I can not longer edit my lovelace, other than to create or delete views and move existing badges from one view to another.

I am unable to edit existing cards or add new ones!

Is this because your theme is hiding the edit bar at the bottom of the card?

Try the default theme.

Hi Tom,

I can see the edit button on each card:


I managed to fix it but clearing cookies in my browser!