10/10 points: Provide a valid pubspec.yaml

5/5 points: Provide a valid README.md

5/5 points: Provide a valid CHANGELOG.md

10/10 points: Use an OSI-approved license

Detected licenses: BSD-3-Clause, MIT.

10/10 points: 20% or more of the public API has dartdoc comments

90 out of 125 API elements (72.0 %) have documentation comments.

Some symbols that are missing documentation: action_text_style, action_text_style.ActionTappedCallback, action_text_style.ActionTextStyle.ActionTextStyle.new, auto_size_styled_text, custom_style.

10/10 points: Package has an example

20/20 points: Supports 6 of 6 possible platforms (iOS, Android, Web, Windows, macOS, Linux)

• ✓ Android

• ✓ iOS

• ✓ Windows

• ✓ Linux

• ✓ macOS

• ✓ Web

0/50 points: code has no errors, warnings, lints, or formatting issues

Found 10 issues. Showing the first 2:

  ╷
8 │ class CustomStyle with Diagnosticable implements TextStyle {
  │       ^^^^^^^^^^^
  ╵

   ╷
17 │   TextStyle apply({
   │             ^^^^^
   ╵

10/10 points: All of the package dependencies are supported in the latest version

To reproduce run dart pub outdated --no-dev-dependencies --up-to-date --no-dependency-overrides.

10/10 points: Package supports latest stable Dart and Flutter SDKs

0/20 points: Compatible with dependency constraint lower bounds

downgrade analysis failed failed with 6 errors:

• NON_ABSTRACT_CLASS_INHERITS_ABSTRACT_MEMBER - lib/custom_style.dart:8:7 - Missing concrete implementation of 'getter class TextStyle with Diagnosticable.fontVariations'.
• INVALID_OVERRIDE - lib/custom_style.dart:17:13 - 'CustomStyle.apply' ('TextStyle Function({Color? backgroundColor, Color? color, TextDecoration? decoration, Color? decorationColor, TextDecorationStyle? decorationStyle, double decorationThicknessDelta, double decorationThicknessFactor, String? fontFamily, List
• INVALID_OVERRIDE - lib/custom_style.dart:88:13 - 'CustomStyle.copyWith' ('TextStyle Function({Paint? background, Color? backgroundColor, Color? color, String? debugLabel, TextDecoration? decoration, Color? decorationColor, TextDecorationStyle? decorationStyle, double? decorationThickness, String? fontFamily, List

Run flutter pub downgrade and then flutter analyze to reproduce the above problem.

You may run dart pub upgrade --tighten to update your dependency constraints, see dart.dev/go/downgrade-testing for details.