I created and ran Flutter projects. but today, while I'm creating new Flutter projects. I'm getting this kind of error when doing flutter run, I updated my flutter with the latest version. What went wrong with this

flutter 3.13.9 • channel stable • https://github.com/flutter/flutter.git
Framework • revision d211f42860 (2 weeks ago) • 2023-10-25 13:42:25 -0700
Engine • revision 0545f8705d
Tools • Dart 3.1.5 • DevTools 2.25.0

I created an issue Flutter on GitHub - issue link

the error I'm getting,

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[1]: macOS (macos)
[2]: Chrome (chrome)
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Launching lib/main.dart on Chrome in debug mode...
../../../../../Developer/flutter/packages/flutter/lib/src/widgets/placeholder.dart:56:3: Error: Getters, setters and methods can't be declared to be
'const'.
Try removing the 'const' keyword.
  const CounterPagePlaceholder({
  ^^^^^
../../../../../Developer/flutter/packages/flutter/lib/src/widgets/placeholder.dart:54:7: Error: The non-abstract class 'Placeholder' is missing
implementations for these members:
 - Placeholder.CounterPagePlaceholder
Try to either
 - provide an implementation,
 - inherit an implementation from a superclass or mixin,
 - mark the class as abstract, or
 - provide a 'noSuchMethod' implementation.

class Placeholder extends StatelessWidget {
      ^^^^^^^^^^^
../../../../../Developer/flutter/packages/flutter/lib/src/widgets/placeholder.dart:56:9: Context: 'Placeholder.CounterPagePlaceholder' is defined here.
  const CounterPagePlaceholder({
        ^^^^^^^^^^^^^^^^^^^^^^
../../../../../Developer/flutter/packages/flutter/lib/src/widgets/image.dart:1238:13: Error: No named parameter with the name 'color'.
            color: Color(0xCF8D021F),
            ^^^^^
../../../../../Developer/flutter/packages/flutter/lib/src/widgets/placeholder.dart:54:7: Context: The class 'Placeholder' has a constructor that takes
no arguments.
class Placeholder extends StatelessWidget {
      ^
../../../../../Developer/flutter/packages/flutter/lib/src/widgets/placeholder.dart:57:5: Error: Super-initializer formal parameters can only be used in
generative constructors.
Try removing 'super.'.
    super.key,
    ^^^^^
../../../../../Developer/flutter/packages/flutter/lib/src/widgets/placeholder.dart:58:5: Error: Field formal parameters can only be used in a
constructor.
Try removing 'this.'.
    this.color = const Color(0xFF455A64), // Blue Grey 700
    ^^^^
../../../../../Developer/flutter/packages/flutter/lib/src/widgets/placeholder.dart:59:5: Error: Field formal parameters can only be used in a
constructor.
Try removing 'this.'.
    this.strokeWidth = 2.0,
    ^^^^
../../../../../Developer/flutter/packages/flutter/lib/src/widgets/placeholder.dart:60:5: Error: Field formal parameters can only be used in a
constructor.
Try removing 'this.'.
    this.fallbackWidth = 400.0,
    ^^^^
../../../../../Developer/flutter/packages/flutter/lib/src/widgets/placeholder.dart:61:5: Error: Field formal parameters can only be used in a
constructor.
Try removing 'this.'.
    this.fallbackHeight = 400.0,
    ^^^^
../../../../../Developer/flutter/packages/flutter/lib/src/widgets/placeholder.dart:62:5: Error: Field formal parameters can only be used in a
constructor.
Try removing 'this.'.
    this.child
    ^^^^
../../../../../Developer/flutter/packages/flutter/lib/src/widgets/placeholder.dart:66:15: Error: Final field 'color' is not initialized.
Try to initialize the field in the declaration or in every constructor.
  final Color color;
              ^^^^^
../../../../../Developer/flutter/packages/flutter/lib/src/widgets/placeholder.dart:69:16: Error: Final field 'strokeWidth' is not initialized.
Try to initialize the field in the declaration or in every constructor.
  final double strokeWidth;
               ^^^^^^^^^^^
../../../../../Developer/flutter/packages/flutter/lib/src/widgets/placeholder.dart:77:16: Error: Final field 'fallbackWidth' is not initialized.
Try to initialize the field in the declaration or in every constructor.
  final double fallbackWidth;
               ^^^^^^^^^^^^^
../../../../../Developer/flutter/packages/flutter/lib/src/widgets/placeholder.dart:85:16: Error: Final field 'fallbackHeight' is not initialized.
Try to initialize the field in the declaration or in every constructor.
  final double fallbackHeight;
               ^^^^^^^^^^^^^^
../../../../../Developer/flutter/packages/flutter/lib/src/widgets/placeholder.dart:90:17: Error: Final field 'child' is not initialized.
Try to initialize the field in the declaration or in every constructor.
  final Widget? child;
                ^^^^^
Waiting for connection from debug service on Chrome...             10.6s
Failed to compile application.
0

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