The Lovelace calendar card seems to be unpleasantly compressed in the latest update - as if it has been optimised for a mobile phone. On a tablet it used to occupy most of a landscape screen.
Also it no longer seems to be possible to edit the card via the UI with the new compressed header. The edit dots top right have been replaced by the refresh button.
I was going to try deleting the card and re-creating it, but of course you can’t without the edit menu.