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Support for iOS 26 “Liquid Glass” Design in Cupertino Widgets #170310
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P3Issues that are less important to the Flutter projectIssues that are less important to the Flutter projectc: new featureNothing broken; request for a new capabilityNothing broken; request for a new capabilityc: new widgetMust also have "c: new feature". Request for a new widget.Must also have "c: new feature". Request for a new widget.c: proposalA detailed proposal for a change to FlutterA detailed proposal for a change to Fluttercustomer: crowdAffects or could affect many people, though not necessarily a specific customer.Affects or could affect many people, though not necessarily a specific customer.f: cupertinoflutter/packages/flutter/cupertino repositoryflutter/packages/flutter/cupertino repositoryframeworkflutter/packages/flutter repository. See also f: labels.flutter/packages/flutter repository. See also f: labels.team-designOwned by Design Languages teamOwned by Design Languages teamtriaged-designTriaged by Design Languages teamTriaged by Design Languages team
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P3Issues that are less important to the Flutter projectIssues that are less important to the Flutter projectc: new featureNothing broken; request for a new capabilityNothing broken; request for a new capabilityc: new widgetMust also have "c: new feature". Request for a new widget.Must also have "c: new feature". Request for a new widget.c: proposalA detailed proposal for a change to FlutterA detailed proposal for a change to Fluttercustomer: crowdAffects or could affect many people, though not necessarily a specific customer.Affects or could affect many people, though not necessarily a specific customer.f: cupertinoflutter/packages/flutter/cupertino repositoryflutter/packages/flutter/cupertino repositoryframeworkflutter/packages/flutter repository. See also f: labels.flutter/packages/flutter repository. See also f: labels.team-designOwned by Design Languages teamOwned by Design Languages teamtriaged-designTriaged by Design Languages teamTriaged by Design Languages team
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Please keep comments here to the topic of liquid glass.
These issues may be more appropriate for some of the other conversations that have come up in relation to this:
Update: July 29, 2025
Important
The material and cupertino libraries are being decoupled into standalone packages to accelerate feature development. All new work for iOS26 updates in Cupertino will happen in the new packages once established in flutter/packages.
Track the overall decoupling progress in our main issue: #101479
Update June 10, 2025
Use case
With the introduction of iOS 26, Apple has begun rolling out the new Liquid Glass design language. This introduces significant changes to the visual styling and interaction behavior across native iOS apps. As a result, Flutter apps using the existing Cupertino widgets risk appearing visually outdated on the latest iOS devices, leading to a degraded user experience and a perception of apps being “non-native.”
For developers targeting iOS users who expect modern, fluid design aesthetics, this represents a significant challenge. There is currently no way to adopt these design changes through Flutter’s existing Cupertino widget set.
Problem
• Flutter’s Cupertino widgets are currently modeled after pre-iOS 26 styling.
• With the release of the Liquid design language, Cupertino widgets now look outdated on iOS 26 and beyond.
• Developers may be forced to manually create custom implementations that match Liquid design, fragmenting the ecosystem.
Alternative solutions considered
• Creating custom widgets that mimic the new iOS 26 design language.
• Waiting for a third-party package to attempt a solution (uncertain support and sustainability).
• Forking flutter/cupertino.dart to add our own Liquid components (not ideal for maintainability).
Proposal
This issue aims to open a discussion around supporting Liquid design in Flutter’s Cupertino widget set.
Some ideas to consider:
1. New Widget Set: Introduce a
LiquidGlasswidget set that mirrors the updated design language, living alongside the current Cupertino widgets.2. Adaptive Styling: Update existing Cupertino widgets to adapt their style based on the iOS version — using Liquid design on iOS 26+ and the classic Cupertino design on earlier versions.
3. Configurable Styling: Provide a top-level configuration or theme switch that allows developers to choose which Cupertino styling to adopt (Cupertino vs. Liquid).
4. Fallback Strategy: Ensure a graceful fallback for devices running iOS versions older than 26, if newer styles are implemented.
Would love to hear from the Flutter team and the community:
• Should this be a core framework feature?
• Or something better suited to a standalone package?
• How should we manage backward compatibility?