Classic and Modern Review Tab Styles
Contemporary stores and businesses can now enable the Modern Tabs feature, giving the Review Tab widget a cleaner, more modern look. For the softer, more traditional look, you can continue to use our Classic look.
Modern Tabs (with square corners)

Classic Tabs (with round corners)

Go to Display > Widgets | Product tabs
Scroll down until you see Tab Style
Select style
Save

We also recommend reading:
Hide/show tab filters
Hide/show Review Summary Rating and Chart
Media reviews
Customer Review Media Gallery
Modern Tabs (with square corners)

Classic Tabs (with round corners)

How to change Tab style
Go to Display > Widgets | Product tabs
Scroll down until you see Tab Style
Select style
Save

We also recommend reading:
Hide/show tab filters
Hide/show Review Summary Rating and Chart
Media reviews
Customer Review Media Gallery
Updated on: 29/07/2022
Thank you!