On Fri, Jul 28, 2023 at 11:33 AM David Delabassee <david.delabas...@oracle.com> wrote: > > Welcome to the OpenJDK Quality Outreach summer update. > > JDK 21 is now in Rampdown Phase Two [1], its overall feature has been frozen > a few weeks ago. Per the JDK Release Process [2] we have now turned our focus > to P1 and P2 bugs, which can be fixed with approval [3]. Late enhancements > are still possible, with approval, but the bar is now extraordinarily high > [4]. That also means that the JDK 21 Initial Release Candidates are fast > approaching, i.e., August 10 [5]. So, and in addition to testing your > projects with the latest JDK 21 early-access builds, it is now also a good > time to start testing with the JDK 22 early-access builds. > > [1] https://mail.openjdk.org/pipermail/jdk-dev/2023-July/008034.html > [2] https://openjdk.org/jeps/3 > [3] https://openjdk.org/jeps/3#Fix-Request-Process > [4] https://openjdk.org/jeps/3#Late-Enhancement-Request-Process > [5] https://openjdk.org/projects/jdk/21/ > > > ## Heads-up - JDK 21 & JDK 22: Note if implicit annotation processing is > being used > > Annotation processing by javac is enabled by default, including when no > annotation processing configuration options are present. We are considering > disabling implicit annotation processing by default in a future release, > possibly as early as JDK 22 [6]. To alert javac users of this possibility, as > of JDK 21 b29 and JDK 22 b04, javac prints a note if implicit annotation > processing is being used [7]. The reported note is: > > Annotation processing is enabled because one or more processors were > found on the class path. A future release of javac may disable > annotation processing unless at least one processor is specified by > name (-processor), or a search path is specified (--processor-path, > --processor-module-path), or annotation processing is enabled > explicitly (-proc:only, -proc:full). > Use -Xlint:-options to suppress this message. > Use -proc:none to disable annotation processing. > > Good build hygiene includes explicitly configuring annotation processing. To > ease the transition to a different default policy in the future, the > new-in-JDK-21 `-proc:full` javac option requests the current default behavior > of looking for annotation processors on the class path. > > [6] https://bugs.openjdk.org/browse/JDK-8306819 > [7] https://bugs.openjdk.org/browse/JDK-8310061 > > > ## Heads-up - JDK 22: JLine is now the Default Console Provider > > In JDK 22, `System.console()` has been changed [8] to return a `Console` with > enhanced editing features that improve the experience of programs that use > the `Console` API. In addition, `System.console()` now returns a `Console` > object when the standard streams are redirected or connected to a virtual > terminal. Prior to JDK 22, `System.console()` instead returned `null` for > these cases. This change may impact code that checks the return from > `System.console()` to test if the JVM is connected to a terminal. If > required, the `-Djdk.console=java.base` flag will restore the old behavior > where the console is only returned when it is connected to a terminal. > Starting JDK 22, one could also use the new `Console.isTerminal()` method to > test if the console is connected to a terminal. > > [8] https://bugs.openjdk.org/browse/JDK-8308591 > > > ## JDK 21 Early-Access Builds > > The JDK 21 early-access builds 33 are available [9], and are provided under > the GNU General Public License v2, with the Classpath Exception. The Release > Notes are available here [10] and the Javadoc here [11]. > > [9] https://jdk.java.net/21/ > [10] https://jdk.java.net/21/release-notes > [11] https://download.java.net/java/early_access/jdk21/docs/api/ > > > ## JDK 22 Early-Access Builds > > The JDK 22 early-access builds 8 are available [12], and are provided under > the GNU General Public License v2, with the Classpath Exception. The Release > Notes are available here [13]. > > [12] https://openjdk.org/projects/jdk/22 > [13] https://jdk.java.net/22/release-notes > > ### Changes in recent JDK 22 builds (b2-b8) that may be of interest:
Although I'm on vacation, I saw the big news that Panama is supposed to be non preview in Java 22. Unfortunately the next LTS will be some time away. https://openjdk.org/jeps/8310626 Rémy > Note that this is only a curated list of changes, make sure to check [14] for > additional changes. > > - JDK-8309882: LinkedHashMap adds an errant serializable field [Reported by > Eclipse Collections] > - JDK-8312366: [arm32] Build crashes after JDK-8310233 [Reported by JaCoCo] > - JDK-8167252: Some of Charset.availableCharsets() does not contain itself > [Reported by IntelliJ] > - JDK-8310061: Note if implicit annotation processing is being used > - JDK-8308591: JLine as the default Console provider > - JDK-8312019: Simplify and modernize java.util.BitSet.equals > - JDK-8308593: Add KEEPALIVE Extended Socket Options Support for Windows > - JDK-8227229: Deprecate the launcher -Xdebug/-debug flags that have not done > anything since Java 6 > - JDK-6983726: Reimplement MethodHandleProxies.asInterfaceInstance > - JDK-8281658: Add a security category to the java -XshowSettings option > - JDK-8310201: Reduce verbose locale output in -XshowSettings launcher option > - JDK-8295894: Remove SECOM certificate that is expiring in September 2023 > - JDK-8027711: Unify wildcarding syntax for CompileCommand and CompileOnly > - JDK-8282797: CompileCommand parsing errors should exit VM > - JDK-8305104: Remove the old core reflection implementation > - JDK-8310460: Remove jdeps -profile option > - JDK-8309032: jpackage does not work for module projects unless > --module-path is specified > - JDK-8291065: Creating a VarHandle for a static field triggers class > initialization > - JDK-8312072: Deprecate for removal the -Xnoagent option > - JDK-8304885: Reuse stale data to improve DNS resolver resiliency= > - JDK-8310047: Add UTF-32 based Charsets into StandardCharsets > - JDK-8302483: Enhance ZIP performance > - JDK-8300596: New System Property to Control the Maximum Size of Signature > Files > - JDK-8294323: ASLR Support for CDS Archive > - JDK-8311038: Incorrect exhaustivity computation > - JDK-8312089: Simplify and modernize equals, hashCode, and compareTo in > java.nio… > - JDK-8311188: Simplify and modernize equals and hashCode in java.text > - JDK-8300285: Enhance TLS data handling > - JDK-8302475: Enhance HTTP client file downloading > > [14] https://github.com/openjdk/jdk/compare/jdk-22%2B1...jdk-22%2B8 > > > ## JavaFX Early-Access Builds > > These are early access builds of the JavaFX 21 Runtime, built from > openjdk/jfx [15]. They enable JavaFX application developers to build and test > their applications with JavaFX 21 on JDK 21. > > The latest JavaFX 21 early-access builds (build 27 - 2023/7/21) are now > available [16] with their related Javadoc [17]. Moreover, the initial JavaFX > 22 early-access builds [18] are now also available. These early-access builds > are provided under the GNU General Public License, version 2, with the > Classpath Exception. Please send feedback to the openjfx-dev mailing list > [19]. > > [15] https://github.com/openjdk/jfx > [16] https://jdk.java.net/javafx21/ > [17] > https://download.java.net/java/early_access/javafx21/docs/api/overview-summary.html > [18] https://jdk.java.net/javafx22/ > [19] http://mail.openjdk.org/mailman/listinfo/openjfx-dev > > > ## Topics of Interest: > > Foreign Function & Memory API Summer Update > https://mail.openjdk.org/pipermail/panama-dev/2023-July/019510.html > > What's Arriving for JFR in JDK 21 - Inside Java Newscast #53 > https://inside.java/2023/07/20/java-21-jfr/ > > Java's Startup Booster: CDS - Stack Walker > https://inside.java/2023/07/11/javas-startup-booster-cds/ > > > ## July 2023 Critical Patch Update Released > > As part of the July 2023 CPU, Oracle released OpenJDK 20.0.2, JavaFX 20.0.2, > JDK 20.0.2, JDK 17.0.8 LTS, JDK 11.0.20 LTS, JDK 8u381, as well as JDK > 8u381-perf. > > ~ > > We still have a few days before JDK 21 enters into the Release Candidate > phase so please make sure to test your projects on the latest early-access > builds and report any issue. > > PS: Make sure to enjoy the summer and recharge your batteries! 😎 > > --David --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@tomcat.apache.org For additional commands, e-mail: dev-h...@tomcat.apache.org
