I've been switched to the new experience and I'd like to check I'm not alone to have this issue: if I select one cell in a table, the table toolbar is displayed, if I select more than one cell, for example to change the background color of a column, the toolbar disappear !! Verified with Firefox and MS Edge.
Also, icons are very small and why did the Atlassian product management team decided to remove some of them ? Screens are large enough to display those icons, the Undo one for example... do you all work with 11" screens at Atlassian ?