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 license: BSD-3-Clause.

0/10 points: 20% or more of the public API has dartdoc comments

Dependency resolution failed, unable to run dartdoc.

0/10 points: Package has an example

0/20 points: Platform support detection failed

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

• Running flutter pub outdated failed with the following output:

Because firebase_core_web >=3.9.0 depends on firebase_core_platform_interface ^7.1.0 and firebase_core >=4.12.1 depends on firebase_core_platform_interface ^8.0.0, firebase_core_web >=3.9.0 is incompatible with firebase_core >=4.12.1.
So, because firebase_performance_web depends on both firebase_core ^4.12.1 and firebase_core_web ^3.9.0, version solving failed.

0/10 points: All of the package dependencies are supported in the latest version

• Could not run flutter pub outdated: flutter pub get failed:

OUT:
Resolving dependencies...
ERR:
Because firebase_core_web >=3.9.0 depends on firebase_core_platform_interface ^7.1.0 and firebase_core >=4.12.1 depends on firebase_core_platform_interface ^8.0.0, firebase_core_web >=3.9.0 is in[...]
So, because firebase_performance_web depends on both firebase_core ^4.12.1 and firebase_core_web ^3.9.0, version solving failed.

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

0/20 points: Compatible with dependency constraint lower bounds

flutter pub downgrade failed with:

OUT:
Resolving dependencies...
ERR:
Because firebase_core_web >=3.9.0 depends on firebase_core_platform_interface ^7.1.0 and firebase_core >=4.12.1 depends on firebase_core_platform_interface ^8.0.0, firebase_core_web >=3.9.0 is in[...]
So, because firebase_performance_web depends on both firebase_core ^4.12.1 and firebase_core_web ^3.9.0, version solving failed.

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.