JDK 17

JDK 17 is the open-source reference implementation ofversion 17 of the Java SE Platform, as specified by byJSR 390 in the Java Community Process.

JDK 17 reachedGeneralAvailability on 14 September 2021. Production-readybinaries under the GPL areavailable from Oracle; binaries fromother vendorswill follow shortly.

The features and schedule of this release were proposed andtracked via theJEP Process, as amended by theJEP 2.0proposal. The release was produced using theJDK Release Process (JEP 3).

Features

306:	RestoreAlways-Strict Floating-Point Semantics
356:	EnhancedPseudo-Random Number Generators
382:	New macOS RenderingPipeline
391:	macOS/AArch64Port
398:	Deprecate theApplet API for Removal
403:	StronglyEncapsulate JDK Internals
406:	Pattern Matchingfor switch (Preview)
407:	Remove RMIActivation
409:	SealedClasses
410:	Remove theExperimental AOT and JIT Compiler
411:	Deprecate theSecurity Manager for Removal
412:	Foreign Function& Memory API (Incubator)
414:	Vector API (SecondIncubator)
415:	Context-SpecificDeserialization Filters

JDK 17 will be a long-term support (LTS) release from mostvendors. For a complete list of the JEPs integrated since theprevious LTS release, JDK 11, please seehere.

Schedule

2021/06/10		Rampdown Phase One(fork from main line)
2021/07/15		Rampdown PhaseTwo
2021/08/05		Initial ReleaseCandidate
2021/08/19		Final ReleaseCandidate
2021/09/14		General Availability