Some types of features we might expect based on trends in recent Java updates and the ongoing roadmap:
Project Loom: Enhancements related to Project Loom may include improved support for lightweight concurrency models, such as fibers and continuations. This would make it easier to write concurrent code without the complexities of managing threads and synchronization.
Project Panama: This project aims to improve the connection between Java and native code. New features in this area might include enhancements to the Foreign Function & Memory API, making it easier to interface with native libraries and manage memory.
Project Amber: This project focuses on improving the Java programming model with new language features. Potential updates could include further improvements to pattern matching, record types, and other features designed to simplify code and reduce boilerplate.
Project Valhalla: While this project is more long-term, Java 23 might include incremental improvements related to value types and generic specializations. These enhancements aim to improve performance and efficiency for Java applications.
Performance Improvements: As always, updates to the Java Virtual Machine (JVM) and Java libraries are likely to include performance optimizations and efficiency improvements.
Standard Library Updates: Expect updates to the standard library, including new methods, classes, and utilities that improve functionality or usability.
Security Enhancements: Ongoing improvements to Java’s security model and APIs to address new security challenges and vulnerabilities.
For the most accurate and detailed information, it’s best to refer to the OpenJDK website or the official Java release notes as the release date approaches.