Here’s How iOS 27’s New Liquid Glass Slider Works
Apple’s bold “Liquid Design” aesthetic, introduced with iOS 26, turned a lot of heads — but not always for the right reasons. Since its debut, users have complained that the translucent, glass-like toolbars were difficult to read, lacking sufficient contrast and opacity to make labels and buttons legible in everyday use.
Apple has been quietly tweaking the design over the past year, but at WWDC 2026, the company finally delivered something users have been asking for: real control over the look.
What Is the Liquid Glass Slider?
Starting with iOS 27, Apple is introducing a dedicated slider that lets you adjust the transparency level of Liquid Glass elements — like toolbars, menus, and navigation bars — directly from your settings.
Slide it one way, and the interface becomes more transparent and immersive. Slide it all the way to the other end, and Liquid Glass is essentially disabled, leaving you with a fully opaque toolbar for maximum readability.
Apple is also making Liquid Glass less transparent by default in iOS 27, which should immediately improve legibility for everyone — even those who never touch the setting.
A Big Win for Accessibility
This update is more than just a cosmetic preference. For users with visual impairments, older eyes, or anyone using their iPhone in bright sunlight, the lack of contrast in iOS 26’s Liquid Design was a genuine accessibility problem.
By giving users a slider rather than just a toggle, Apple is acknowledging that accessibility isn’t one-size-fits-all. You can dial in exactly the level of transparency that works best for you.
macOS Is Getting the Liquid Glass Treatment Too
On the Mac side, Apple said it is “reincorporating” classic macOS design elements back into the Liquid Glass aesthetic. Details are still sparse, but two confirmed changes stand out:
- Color is returning to sidebar icons, making it easier to quickly identify apps and folders at a glance.
- Rounded corners will now be enforced system-wide, even for apps whose developers haven’t pushed an update yet. Apple will handle this at the system level.
This suggests Apple is listening to the criticism that Liquid Glass felt stripped-down and overly minimal compared to previous macOS versions.
App Icons Are Getting Depth and Dimension
iOS 27 also brings a significant change to how app icons are rendered. Apple’s own icons will now feature layered Liquid Glass elements between different parts of the icon, creating a sense of depth and dimension that wasn’t possible before.
This effect works across all icon modes, including Tinted mode and Clear mode. Third-party developers will also be able to adopt this new layered icon system, so expect to see a wave of updated app icons rolling out in the months ahead.
When Can You Try It?
iOS 27 is currently available in beta following its announcement at WWDC 2026. A public beta is expected soon, with a full release typically arriving in the fall alongside new iPhone hardware.
For a full breakdown of everything announced at WWDC 2026, check out the original reporting from Lifehacker.
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