Hi Rory, Apache Tomcat's build and tests pass successfully with JDK 17-ea+26-2439 on Linux x86_64 and aarch64 !
Regards, Martin On Mon, Jun 14, 2021 at 12:56 PM Rory O'Donnell <rory.odonn...@oracle.com> wrote: > > Hi Mark, > > *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-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* <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>< > 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 > >
