123878 Here

In the transition from Material 2 to Material 3, the way elevation is handled changed significantly. Used shadows to indicate elevation. Material 3: Uses a surface tint color overlay.

The Flutter community is highly active, and issues like usually lead to more robust rendering logic in future stable releases. For now, keep an eye on the official issue tracker for updates from the Flutter team. 123878

The bug reported in issue #123878 highlights that on newer Android versions, the app bar elevation change simply doesn't activate when the user scrolls, leaving the UI feeling static and flat. Why It Matters In the transition from Material 2 to Material

As noted in the GitHub report, this is particularly prevalent on devices running API 30 and above. Testing on an older emulator can help you confirm if the issue is framework-deep or OS-specific. The Road Ahead The Flutter community is highly active, and issues

💡 If your app bar feels "broken" in Material 3, check your elevation logic against the new surface tint standards.

Understanding the specific request for "subject 123878" requires looking at the technical landscape, as this number is most prominently associated with a significant framework issue regarding the Material 3 App Bar .