[chuzz]

Good post, for what is worth Java is slowly and painfully correcting course with features like records and project Valhalla. As with the other language improvements though we will have to live with the tech debt for decades to come…

[Timwi]

While C# certainly has tech debt too, the specific feature the author mentions (value types) has been there since version 1. C# pioneered async/await in version 5, and has a plethora of functional features like generics, type inference and pattern matching now. Java is lagging behind like a wounded cow...