Hi David & Richard, *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: o *2021/06/10       Rampdown Phase One* o 2021/07/15        Rampdown Phase Two o 2021/08/05        Initial Release Candidate o 2021/08/19        Final Release Candidate o 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: o *JEP 306: **Restore Always-Strict Floating-Point Semantics*<https://openjdk.java.net/jeps/306> o JEP 356: Enhanced Pseudo-Random Number Generators<https://openjdk.java.net/jeps/356> o JEP 382: New macOS Rendering Pipeline<https://openjdk.java.net/jeps/382> o JEP 391: macOS/AArch64 Port<https://openjdk.java.net/jeps/391> o JEP 398: Deprecate the Applet API for Removal<https://openjdk.java.net/jeps/398> o *JEP 406: **Pattern Matching for switch (Preview)*<https://openjdk.java.net/jeps/406> o JEP 409: Sealed Classes<https://openjdk.java.net/jeps/409> o JEP 410: Remove the Experimental AOT and JIT Compiler<https://openjdk.java.net/jeps/410> o JEP 412: Foreign Function & Memory API (Incubator)<https://openjdk.java.net/jeps/412> o *JEP 414: **Vector API (Second Incubator)*<https://openjdk.java.net/jeps/414> o *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*<https://jdk.java.net/17> * These early-access , open-source builds are provided under the o 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<https://jdk.java.net/17/release-... * 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* <https://jdk.java.net/18> * These early-access , open-source builds are provided under the o 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] o a closer look at the list of JEPs of JDK 17 as well as the development process * Inside Java Newscast #7 [4] o discusses in greater detail `pattern matching for switch`, previewed in JDK 17 Rgds,Rory [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 <https://java.com/en/jre-jdk-cryptoroadmap.html> [3] https://inside.java/2021/06/10/insidejava-newscast-006/ <https://inside.java/2021/06/10/insidejava-newscast-006/> [4] https://inside.java/2021/06/13/podcast-017/ <https://inside.java/2021/06/13/podcast-017/> -- Rgds, Rory O'Donnell Quality Engineering Manager Oracle EMEA, Dublin, Ireland