Per the JDK 17 schedule , we are in Rampdown Phase One [1]. Please advise if you find any issues while testing the latest Early Access builds. * Schedule: * 2021/06/10 Rampdown Phase One * 2021/07/15 Rampdown Phase Two * 2021/08/05 Initial Release Candidate * 2021/08/19 Final Release Candidate * 2021/09/14 General Availability The overall feature set is frozen. No further JEPs will be targeted to this release. * Important JEPs have been integrated – Attention Required! · JEP 411: Deprecate the Security Manager for Removal<https://openjdk.java.net/jeps/411> o Deprecate, for removal, most Security Manager related classes and methods. o Warning message at startup if the Security Manager is enabled on the command line. o Warning message at run time if a Java application or library installs a Security Manager dynamically. o Deprecation is in concert with the legacy Applet API (JEP 398). · JEP 407: Remove RMI Activation<https://openjdk.java.net/jeps/407> o Removal the Remote Method Invocation (RMI) Activation mechanism, while preserving the rest of RMI. o It was deprecated for removal by JEP 385<https://openjdk.java.net/jeps/385> in Java SE 15. · JEP 403: Strongly Encapsulate JDK Internals<https://openjdk.java.net/jeps/403> o Strongly encapsulate all internal elements of the JDK, except for critical internal APIs such as sun.misc.Unsafe. o It will no longer be possible to relax the strong encapsulation of internal elements via a single command-line option. * Other features integrated in JDK 17: * JEP 306: Restore Always-Strict Floating-Point Semantics<https://openjdk.java.net/jeps/306> * JEP 356: Enhanced Pseudo-Random Number Generators<https://openjdk.java.net/jeps/356> * JEP 382: New macOS Rendering Pipeline<https://openjdk.java.net/jeps/382> * JEP 391: macOS/AArch64 Port<https://openjdk.java.net/jeps/391> * JEP 398: Deprecate the Applet API for Removal<https://openjdk.java.net/jeps/398> * JEP 406: Pattern Matching for switch (Preview)<https://openjdk.java.net/jeps/406> * JEP 409: Sealed Classes<https://openjdk.java.net/jeps/409> * JEP 410: Remove the Experimental AOT and JIT Compiler<https://openjdk.java.net/jeps/410> * JEP 412: Foreign Function & Memory API (Incubator)<https://openjdk.java.net/jeps/412> * JEP 414: Vector API (Second Incubator)<https://openjdk.java.net/jeps/414> * JEP 415: Context-Specific Deserialization Filters<https://openjdk.java.net/jeps/415> OpenJDK 17 Early Access build 26 is available at https://jdk.java.net/17 * These early-access , open-source builds are provided under the * GNU General Public License, version 2, with the Classpath Exception<https://openjdk.java.net/legal/gplv2+ce.html> * Release Notes are available at https://jdk.java.net/17/release-notes * Changes in recent builds that maybe of interest: * Build 26: o JDK-8268241: deprecate JVM TI Heap functions 1.0 o JDK-8266846: Add java.time.InstantSource o JDK-8248268: Support KWP in addition to KW o JDK-8204686: Dynamic parallel reference processing support for Parallel GC o JDK-8259530: Generated docs contain MIT/GPL-licenced works without reproducing the licence [Reported by Apache Maven] o JDK-8266766: Arrays of types that cannot be an annotation member do not yield exceptions [Reported by ByteBuddy] o JDK-8266598: Exception values for AnnotationTypeMismatchException are not always informative [Reported by ByteBuddy] · Build 25 o JDK-8266653: Change update mode for JDK rpm/deb installers as it breaks "yum update" for JDK11+ o JDK-8263202: Update Hebrew/Indonesian/Yiddish ISO 639 language codes to current o JDK-8229517: Support for optional asynchronous/buffered logging o JDK-8182043: Access to Windows Large Icons OpenJDK 18 Early Access build 1 is now available at https://jdk.java.net/18 * These early-access , open-source builds are provided under the * GNU General Public License, version 2, with the Classpath Exception<https://openjdk.java.net/legal/gplv2+ce.html> · Issues addressed in this build - here<https://github.com/openjdk/jdk/compare/jdk-18%2B0...jdk-18%2B1> Other Topics which might be of Interest: * Java Cryptographic Roadmap [2] has been updated. * Inside Java Newscast #6 [3] * a closer look at the list of JEPs of JDK 17 as well as the development process * Inside Java Podcast #7 [4] * discusses in greater detail `pattern matching for switch`, previewed in JDK 17 Rgds, Deepak [1] https://mail.openjdk.java.net/pipermail/jdk-dev/2021-June/005690.html <https://mail.openjdk.java.net/pipermail/jdk-dev/2021-June/005690.html> [2] https://java.com/en/jre-jdk-cryptoroadmap.html [3] https://inside.java/2021/06/10/insidejava-newscast-006/ [4] https://inside.java/2021/06/13/podcast-017/