What's New, Noteworthy, and Enhanced in Java 15?

Now that Java 15 has been released, let’s take a look at what’s new!

Here on foojay, the fixes that went into the release are listed, giving you a unique and readable changelog in helpful categories, with the invitation for you to vote on those that are most relevant to you:

New Features

JVM

• Disable and Deprecate Biased Locking ( JEP 374 )
• ZGC ( JEP 377 )
• Shenandoah GC ( JEP 379 )
• Remove the Solaris and SPARC Ports ( JEP 381 )

Language

• Pattern Matching for instanceof Preview ( JEP 375 )
• Text Blocks ( JEP 378 )
• Records Preview ( JEP 384 )

API

• Edwards-Curve Digital Signature Algorithm (EdDSA) ( JEP 339 )
• Sealed Classes Preview ( JEP 360 )
• Hidden Classes ( JEP 371 )
• Remove the Nashorn JavaScript Engine ( JEP 372 )
• Reimplement the Legacy DatagramSocket API ( JEP 373 )
• Foreign-Memory Access API (Second Incubator) ( JEP 383 )
• Deprecate RMI Activation for Removal ( JEP 385 )

Go here for foojay’s almanac of all the info about where to go to download Java 15, including a comparison of Java 15 APIs versus those from previous releases: foojay.io/almanac/jdk-15