JDK 14

JDK 14 is the open-source reference implementation of version 14 of the Java SE Platform as specified by by JSR 389 in the Java Community Process.

JDK 14 reached General Availability on 17 March 2020. Production-ready binaries under the GPL are available from Oracle; binaries from other vendors will follow shortly.

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

Features

305:	Pattern Matching for instanceof (Preview)
343:	Packaging Tool (Incubator)
345:	NUMA-Aware Memory Allocation for G1
349:	JFR Event Streaming
352:	Non-Volatile Mapped Byte Buffers
358:	Helpful NullPointerExceptions
359:	Records (Preview)
361:	Switch Expressions (Standard)
362:	Deprecate the Solaris and SPARC Ports
363:	Remove the Concurrent Mark Sweep (CMS) Garbage Collector
364:	ZGC on macOS
365:	ZGC on Windows
366:	Deprecate the ParallelScavenge + SerialOld GC Combination
367:	Remove the Pack200 Tools and API
368:	Text Blocks (Second Preview)
370:	Foreign-Memory Access API (Incubator)

Schedule

2019/12/12	Rampdown Phase One (fork from main line)
2020/01/16	Rampdown Phase Two
2020/02/06	Initial Release Candidate
2020/02/20	Final Release Candidate
2020/03/17	General Availability