Created attachment 417017 [details] Exemple HTML (see the simple exemple.html an attachment) A click on the button brings up a dialog box (window.alert, window.confirm, …). The hover's button (represented by the yellow background) doesn't disappear when this dialog is displayed. Even after closing it (with the keyboard). You must to move the mouse for make disappear hover. Thank's
<rdar://problem/73045844>
Thanks for filing, I can reproduce this on Safari 13.1.3 as well as STP118 and Chrome.