> ... I care about Ruby’s future. The reason why I decided to write a book is that explaining all the new concepts we’ve introduced in various libraries is clos

> ... I care about Ruby’s future. The reason why I decided to write a book is that explaining all the new concepts we’ve introduced in various libraries is close-to-impossible without a book. Thank-you. Any word on the book he has been working on? Last post was February 2022.