v2.0.0

Transition to a federated package structure

• Breaking: rebranding to slang
• Breaking: add slang_build_runner, slang_flutter depending on your use case
• Breaking: remove output_file_pattern (was deprecated)
• feat: dart-only support (flutter_integration: false)
• feat: multiple package support
• feat: RichText support

Thanks to @fzyzcjy.

You can read the detailed migration guide here.