Hi David,
On Mon, Mar 28, 2022 at 1:25 PM David Delabassee < david.delabas...@oracle.com> wrote: > Greetings! > > JDK 18 has been released (General Availability) on March 22nd as > planned, the release cadence is working like clockwork! As a small token > of gratitude, some of you have been specifically acknowledged in the > "The Arrival of Java 18" announcement [1]. On behalf of the entire team, > let me extend our thanks to all of you. > Congratulations to everyone involved! > > With JDK 18 released, the focus should now be on making sure your > project(s) compile and work on JDK 19. As always, if you face any issue > with early-access builds of JDK 19 please let us know. To help you in > this task, we have just released a GitHub action to install the OpenJDK > Early-Access builds. For more information, please check the heads-up below. > > I'll conclude with a short teaser, i.e. JavaOne is Back! [2] Stay tuned > for more details. > > [1] https://inside.java/2022/03/22/the-arrival-of-java18/ > [2] https://www.oracle.com/cloudworld/javaone/ > > > ## Heads-Up: oracle-actions/setup-java > Already enabled for ASF projects: https://issues.apache.org/jira/browse/INFRA-23025 ! And in use by Apache Avro Java SDK: https://github.com/apache/avro/commit/c2acf468f206cba00a77dc2da462ac3029640cba Regards, Martin > > To help you test your project(s), we have released a GitHub Action [3] > to download and install various JDK builds produced by Oracle. In > addition to the latest OpenJDK GA builds (GPL v2 W/CPE) and the Oracle > JDK builds (NFTC license), this action can also download and install > OpenJDK early-access builds, and early-access builds of OpenJDK projects > (ex. Project Loom, Project Valhalla, etc.). > > When doing tests using EA builds, it is key to always use the upstream > EA builds from jdk.java.net as issues should be logged against those > upstream builds, and ideally against a specific build version. This > GitHub action is actively following the OpenJDK EA builds releases. > Please make sure to check the announcement [4] for more details, and > short FAQ. > > To help you isolate regression between different EA builds, we are > working to add support for archived builds. If you have feedback, please > either issue the Issue tracker [5] or just send me a mail. > > [3] > > https://github.com/marketplace/actions/setup-java-development-kits-built-by-oracle > [4] https://inside.java/2022/03/11/setup-java/ > [5] https://github.com/oracle-actions/setup-java/issues > > > ## General Availability of Java 18 / JDK 18 > > JDK 18 is now Generally Available [6]. The OpenJDK builds which are > provided under the GNU General Public License v2, with the Classpath > Exception are available [7], the JDK 18 Release Notes are also available > [8]. > > [6] https://mail.openjdk.java.net/pipermail/jdk-dev/2022-March/006458.html > [7] https://jdk.java.net/18/ > [8] https://jdk.java.net/18/release-notes > > Along with hundreds of smaller enhancements and over a thousand bug > fixes, JDK 18 includes following JEPs: > - JEP 400: UTF-8 by Default > - JEP 408: Simple Web Server > - JEP 413: Code Snippets in Java API Documentation > - JEP 416: Reimplement Core Reflection with Method Handles > - JEP 417: Vector API (Third Incubator) > - JEP 418: Internet-Address Resolution SPI > - JEP 419: Foreign Function & Memory API (Second Incubator) > - JEP 420: Pattern Matching for switch (Second Preview) > - JEP 421: Deprecate Finalization for Removal > > Thanks to everyone who contributed to JDK 18, whether by designing and > implementing features or enhancements, by fixing bugs, or by downloading > and testing the early-access builds. > > > ## JDK 19 Early-Access builds > > JDK 19 Early-Access builds 15 are now available [9], and are provided > under the GNU General Public License v2, with the Classpath Exception. > The Release Notes are also available [10]. > > [9] https://jdk.java.net/19/ > [10] https://jdk.java.net/19/release-notes > > ### JEPs targeted to JDK 19, so far: > - JEP 422: Linux/RISC-V Port https://openjdk.java.net/jeps/422 > > ### Recent changes that maybe of interest: > - JDK-8283415: Update java.lang.ref to use sealed classes > - JDK-8280494: (D)TLS signature schemes > - JDK-8282081: java.time.DateTimeFormatter: wrong definition of symbol F > - JDK-8281181: Do not use CPU Shares to compute active processor count > - JDK-7192189: Support endpoint identification algorithm in RFC 6125 > - JDK-8277474: jarsigner does not check if algorithm parameters are > disabled > - JDK-8280357: If the users home directory is invalid, system property > user.home is set to $HOME > - JDK-8277204: Implement PAC-RET branch protection on Linux/AArch64 > - JDK-8282411: Add useful predicates to ElementKind > - JDK-8282131: java.time.ZoneId should be a sealed abstract class > - JDK-8281375: Accelerate bitCount operation for AVX2 and AVX512 target > > > ## Topics of Interest: > > - “Java 18 is Here!” - Inside Java Podcast > https://inside.java/2022/03/22/podcast-023/ > > - “The Simple Web Server” - Inside Java Podcast > https://inside.java/2022/03/04/podcast-022/ > > - “Finalization Deprecation” - Inside Java Podcast > https://inside.java/2022/01/12/podcast-021/ > > - All About JDK 18 - Inside Java Newscast > https://inside.java/2022/03/10/insidejava-newscast-021/ > > - JDK 18 - Security Enhancements > https://seanjmullan.org/blog/2022/03/23/jdk18 > > - JDK 18 - Programmer's Guide to Snippets > https://docs.oracle.com/en/java/javase/18/code-snippet/index.html > > - JDK 18 - G1/Parallel/Serial GC improvements > https://tschatzl.github.io/2022/03/14/jdk18-g1-parallel-gc-changes.html > > - “Java Language Futures: Spring 2022 Edition” (video) > https://www.youtube.com/watch?v=m7Ypbw-xVRo > > - Project Panama : `jextract` Standalone Repository > https://mail.openjdk.java.net/pipermail/panama-dev/2022-March/016632.html > > > Again, 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 > > >
