v1.8.1

Requires Dart sdk: '>=2.15.0-7.0.dev <3.0.0'

• Enable always_use_package_imports
• Enable avoid_double_and_int_checks
• Enable use_is_even_rather_than_modulo
• parameter_assignments is now a warning (was hint)
• missing_required_param is now a error (was warning)
• missing_return is now an error (was warning)
• ignore any errors in auto-generated flutter file lib/generated_plugin_registrant.dart

Package

• Enable library_private_types_in_public_api
• Enable lines_longer_than_80_chars
• Enable prefer_single_quotes

Big thanks to @rydmike for comparing all popular lint packages, identifying missing rules for this lint