The stable version 39 of Chrome introduced theme-color attribute support for website developers to give their pages unique and colorful looks when you're browsing them on your Android device. However, for the feature to work at the time, users had to have apps and tabs merged, so that each tab was treated as a separate app in the multitasking tray. Later on, the developer version 47 of Chrome added a workaround to enable theme-color support without merged tabs and apps. But only users who knew how to find flag chrome://flags/#enable-theme-color-in-tabbed-mode and activate it were able to enjoy a colorful address bar header in their browsers.

Read More