"Preview Features: A Look Back and A Look Ahead" with Alex Buckley
Inside Java21 Maalis 2023

"Preview Features: A Look Back and A Look Ahead" with Alex Buckley

Preview Features have been essential to the delivery of Java for the past 5 years, and Java 20 is no exception with second previews of both Virtual Threads and the Foreign Function & Memory API.

Chad discussing the importance of Preview Features with Alex Buckley, as well as an Informational JEP that added some further clarification for Preview Features with large surface areas.

Some show notes:

JDK 20 is out today: https://openjdk.org/projects/jdk/20/

JEP 12: Preview Features https://openjdk.org/jeps/12

A look ahead: https://openjdk.org/jeps/8300604

Tämä jakso on lisätty Podme-palveluun avoimen RSS-syötteen kautta eikä se ole Podmen omaa tuotantoa. Siksi jakso saattaa sisältää mainontaa.

Jaksot(71)

"Security in Java" [AtA]

"Security in Java" [AtA]

Given how prevalent Java is on web servers throughout the internet, security in Java is of critical importance. There's the security of the JDK itself, of course, which is overseen by the OpenJDK Secu...

24 Syys 33min

"AOT Caching - Netflix' Practice vs OpenJDK's Theory" [I/O]

"AOT Caching - Netflix' Practice vs OpenJDK's Theory" [I/O]

Java projects that want to reduce their launch times need to look into Java's new ahead-of-time capabilities. A training run is used to populate a cache that, in production, allows the JVM to short-ci...

17 Syys 1h 11min

"Declassifying the Java 27 Release!" [IJN]

"Declassifying the Java 27 Release!" [IJN]

Java 27 is heading for release on September 15th. As with every release of the JDK there are a host of changes that will impact developers, from new features, to changes in behavior of existing featur...

10 Syys 15min

"Operator Overloading with Type Classes" [AtA]

"Operator Overloading with Type Classes" [AtA]

OpenJDK's Project Valhalla is improving Java's support for custom numerical types. That goes beyond value types and also encompasses explorations into operator support. While Java is extremely unlikel...

27 Elo 41min

"Keeping Up with the Java Release Train" [I/O]

"Keeping Up with the Java Release Train" [I/O]

20 Elo 34min

"JSON API, Valhalla Progress, LTS ❤️ PQC" [IJN]

"JSON API, Valhalla Progress, LTS ❤️ PQC" [IJN]

JEP 540 proposes to incubate a simple JSON API and is currently proposed to target JDK 28. The pull request for Project Valhalla's JEPs 401 and 539 were merged and value types are available as a previ...

15 Elo 10min

"Embracing Virtual Threads with Helidon" [I/O]

"Embracing Virtual Threads with Helidon" [I/O]

Helidon 4.4 was released in April 2026 and stands out from other web frameworks by embracing new Java features as early as possible, particularly virtual threads and ahead-of-time computation. It is a...

6 Elo 14min

"JIT Compiler From the Ground Up" [AtA]

"JIT Compiler From the Ground Up" [AtA]

While Java programs are deployed as bytecode, performance-relevant code will be compiled, at run time, to machine code whose performance rivals that of any other platform. In the HotSpot JVM, this is ...

30 Heinä 45min