Hi David, Apache Wicket build and tests pass successfully with JDK 19-ea+26-2060 on both Linux x86_64 and aarch64!
Regards, Martin On Mon, Jun 13, 2022 at 4:42 PM David Delabassee < david.delabas...@oracle.com> wrote: > Greetings! > > JDK 19 has now entered Rampdown Phase One (RDP1) [1], which means that > the main-line has been forked into a dedicated JDK 19 stabilization > repository. At this point, the overall JDK 19 feature set is frozen and > no additional JEPs will be targeted to JDK 19. The stabilization > repository is open for select bug fixes and, with approval, late > low-risk enhancements per the JDK Release Process [2]. Any change pushed > to the main line is now bound for JDK 20, unless it is explicitly > back-ported to JDK 19. > > The next few weeks should be leveraged to try to identify and resolve as > many issues as possible, i.e. before JDK 19 enters the Release > Candidates phase. Moreover, we encourage you to test your project with > the `enable-preview` flag as described in this Quality Outreach Heads-up > [3], and even if you don't intend to use Virtual Threads in the near > future. > > [1] https://mail.openjdk.java.net/pipermail/jdk-dev/2022-June/006735.html > [2] https://openjdk.java.net/jeps/3 > [3] https://inside.java/2022/05/16/quality-heads-up/ > > > ## Heads-up - openjdk.java.net ➜ openjdk.org DNS transition > > The OpenJDK infrastructure is moving from the old openjdk.java.net > subdomain to the openjdk.org top-level domain. This will affect all > active subdomains (i.e., bugs, cr, db, git, hg, mail, and wiki) and the > old hostnames (*.openjdk.java.net) will now act as aliases for the new > names. No actions are required as this transition should be transparent > and is mostly done. It should be mentioned that https://jdk.java.net/ is > not changing. > > More infirmation can be found in the original proposal > https://mail.openjdk.java.net/pipermail/discuss/2022-May/006089.html > > > ## JDK 19 Early-Access builds > > JDK 19 Early-Access builds 26 are now available [4], and are provided > under the GNU General Public License v2, with the Classpath Exception. > The Release Notes are available here [5]. Given that JDK 19 is now in > RDP1, the initial JDK 20 Early-Access builds are now also available [6]. > > [4] https://jdk.java.net/19/ > [5] https://jdk.java.net/19/release-notes > [6] https://jdk.java.net/20/ > > > ### JEPs integrated to JDK 19: > - JEP 405: Record Patterns (Preview) > - JEP 422: Linux/RISC-V Port > - JEP 424: Foreign Function & Memory API (Preview) > - JEP 425: Virtual Threads (Preview) > - JEP 426: Vector API (Fourth Incubator) > - JEP 427: Pattern Matching for switch (Third Preview) > - JEP 428: Structured Concurrency (Incubator) > > ### Recent changes that may be of interest: > > Build 26: > - JDK-8284199: Implementation of Structured Concurrency (Incubator) > - JDK-8282662: Use List.of() factory method to reduce memory consumption > - JDK-8284780: Need methods to create pre-sized HashSet and LinkedHashSet > - JDK-8250950: Allow per-user and system wide configuration of a > jpackaged app > - JDK-8236569: -Xss not multiple of 4K does not work for the main thread > on macOS > - JDK-4511638: Double.toString(double) sometimes produces incorrect results > - JDK-8287714: Improve handling of JAVA_ARGS > - JDK-8286850: [macos] Add support for signing user provided app image > - JDK-8287425: Remove unnecessary register push for > MacroAssembler::check_k… > - JDK-8283694: Improve bit manipulation and boolean to integer conversion > o… > - JDK-8287522: StringConcatFactory: Add in prependers and mixers in batches > > Build 25: > - JDK-8284960: Integration of JEP 426: Vector API (Fourth Incubator) > - JDK-8287244: Add bound check in indexed memory access var handle > - JDK-8287292: Improve TransformKey to pack more kinds of transforms > effici… > - JDK-8287003: InputStreamReader::read() can return zero despite writing a > … > - JDK-8287064: Modernize ProxyGenerator.PrimitiveTypeInfo > > Build 24: > - JDK-8286908: ECDSA signature should not return parameters > - JDK-8261768: SelfDestructTimer should accept seconds > - JDK-8286304: Removal of diagnostic flag GCParallelVerificationEnabled > - JDK-8267038: Update IANA Language Subtag Registry to Version 2022-03-02 > - JDK-8285517: System.getenv() returns unexpected value if environment > vari… > - JDK-8285513: JFR: Add more static support for event classes > - JDK-8287024: G1: Improve the API boundary between HeapRegionRemSet and > G1… > - JDK-8287139: aarch64 intrinsic for unsignedMultiplyHigh > > Build 23: > - JDK-8282191: Implementation of Foreign Function & Memory API (Preview) > - JDK-8286090: Add RC2/RC4 to jdk.security.legacyAlgorithms > - JDK-8282080: Lambda deserialization fails for Object method references > on interfaces > - JDK-6782021: It is not possible to read local computer certificates > with the SunMSCAPI provider > - JDK-8282191: Implementation of Foreign Function & Memory API (Preview) > - JDK-8284194: Allow empty subject fields in keytool > - JDK-8209137: Add ability to bind to specific local address to HTTP client > - JDK-8286841: Add BigDecimal.TWO > - JDK-8287139: aarch64 intrinsic for unsignedMultiplyHigh > - JDK-8282160: JShell circularly-required classes cannot be defined > - JDK-8282280: Update Xerces to Version 2.12.2 > > > ## Topics of Interest > > * Replacing Finalizers with Cleaners > https://inside.java/2022/05/25/clean-cleaner/ > > * Testing Clean Cleaner Cleanup > https://inside.java/2022/05/27/testing-clean-cleaner-cleanup/ > > * Improved JFR Ergonomics > https://egahlin.github.io/2022/05/31/improved-ergonomics.html > > * Java 19 Virtual Threads - JEP Café > https://inside.java/2022/06/08/jepcafe11/ > > * Deconstructing Records in Pattern Matching - Inside Java Newscast > https://inside.java/2022/06/02/insidejava-newscast-026/ > > * Concurrent Thread-stack Processing in the Z Garbage Collector > https://inside.java/2022/05/31/zgc-concurrent-thread-stack-processing/ > > > As usual, let us know if you find any issues while testing your > project(s) on the latest JDK early-access builds. Thanks for your support! > > --David > > > >
