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The latest Safari 15 available for macOS Catalina and Big Sur is now also part of macOS Monterey. The recent design changes include an active tab extension, it tells which Safari 15 Tab is active.
Though the recent design updates may seem controversial, Apple has responded to its user feedback and reversed some of the features or made them optional. Many users were not able to easily identify an active tab from a background tab on a Mac browser due to the inverted shading.
Apple has not addressed this issue in Safari 15.1 beta or the latest version of the experimental Safari Technology Preview browser.
Thankfully, developer Zhenyi Tan was inspired by John Gruber’s Daring Fireball article about the issue. He has come up with a simple Safari extension called ActiveTab that Tells Which Safari 15 Tab is active.
The ActiveTab extension makes it easy to spot the active tab in Safari on Mac by drawing a line below it. You can choose from the eight colors available and you can also customize the line below the tab to be between 1 and 7 pixels wide.According to Zhenyi, the extension works best with the “Separate” tab layout selected and “Show color in tab bar” disabled in the Tab section of Safari’s Preferences. He also cautions the extension will not work reliably if you have too many tabs in a window that the tab bar becomes scrollable.
You can purchase the ActiveTab extension for $1.99 on the Mac App Store, with no in-app purchases, no ads, and no tracking.