Google revealed the first change to its "G" icon in nearly a decade, putting a new version on its search apps.

The blue and yellow shield is an Icon Overlay. If you wish to remove it ... to bypass UAC from selected programs on your Windows 11/10 computer. For that, you can use the Task Scheduler.

Such is the case right now with people who have noticed a blue Gmail ... "unread message icon," and that's what's causing the change in color. You might also see the number of unread messages ...