17 years is a rookie number. Take C# auto-properties, for example: 19 years ago!
Now try asking, "When did Java get auto-properties?"
Now try asking, "When did Java get auto-properties?"
I missed generators like that virtual threading for example.
btw: i was referring a single point when oracle bought sun and "closed java".
Language that runs on the explicit design philosophy of letting other languages experiment first and then incorporating their lessons learned once the dust has settled is late to implement a feature.