На самом деле, все вопросы актуальные, если чуть исправить.
- when was ZIO 1.0.0-RC21-2 released?
- why is ZIO2 better than CE3 while running on a similar Tokio-based runtime?
- what are the benefits of ZIO's dynamic context being passed in FiberRef?
- why is not ZIO nor CE3 ready for solving real business problems in production?
- who is Boris von Vladimirovitch?