The first features targeted to Java 24 include an improvement to the G1 garbage collector and warnings on unsafe uses of the Java Native Interface.

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JDK 24, set for release on March 18, 2025, will include improvements to the G1 garbage collector and introduce warnings for unsafe uses of the Java Native Interface (JNI). Other potential features could follow previews from JDK 23, such as enhancements to the class-file API, stream gatherers, structured concurrency, and the vector API. JDK 24 will be a non-long-term support release, receiving only six months of Premier-level support.

JDK 24: The new features in Java 24