OpenJDK 17 Early Access build 21 is now available at https://jdk.java.net/17

• These early-access , open-source builds are provided under the
• GNU General Public License, version 2, with the Classpath Exception

• Schedule
• 2021/06/10         Rampdown Phase One
• 2021/07/15         Rampdown Phase Two
• 2021/08/05         Initial Release Candidate
• 2021/08/19         Final Release Candidate
• 2021/09/14         General Availability 

• JEPs targeted to JDK 17, so far:
• JEP 356: Enhanced Pseudo-Random Number Generators
• JEP 382: New macOS Rendering Pipeline
• JEP 391: macOS/AArch64 Port
• JEP 398: Deprecate the Applet API for Removal
• JEP 410: Remove the Experimental AOT and JIT Compiler

• Release Notes are available at https://jdk.java.net/17/release-notes

• Changes in recent builds that maybe of interest:
• Build 21:
• JDK-8196415: JARs signed with SHA-1 algorithms are restricted by default.
• JDK-8265989: System property for the native character encoding name.
• JDK-8265137: java.util.Random suddenly has new public methods nowhere documented.
• [Reported by Apache Lucene]
• Build 20
• JDK-8037397: RegEx pattern matching loses character class after intersection (&&) operator.
• JDK-8264208: A new public method that returns the `Charset` used in the `Console.
• Build 19
• JDK-8228988: AnnotationParser throws NullPointerException on incompatible member type.
• [Reported by ByteBuddy]
• JDK-8258794: Support for CLDR version 39.
• JDK-8262108: SimpleDateFormat formatting broken for sq_MK Locale.
• [Reported by ApacheCommons]
• Build 18
• JDK-8260693: Provide the support for specifying a signer in keytool -genkeypair.
• JDK-8263763: Synthetic constructor parameters of enum are not considered for annotation indices.
• [Reported by ByteBuddy]

Topics of interest from 'Insider Java':

• Security and Sandboxing Post SecurityManager : Link
• Foreign Memory Access and NIO channels - Going Further : Link

Project Loom Early-Access Build: Build 17-loom+6-225 (2021/4/1)

• These early-access builds are provided under the GNU General Public License, version 2, with the Classpath Exception.
• These builds are produced for the purpose of gathering feedback. Use for any other purpose is at your own risk.
• Please send feedback via e-mail to loom-dev@openjdk.java.net. To send e-mail to this address you must first subscribe to the mailing list.

April 2021 Critical Patch Update Released:

• As part of the April 2021 CPU we released JDK 16.0.1, JDK 11.0.11 LTS, JDK 8u291 and JDK 7u301 as well as OpenJDK 16.0.1 (publicly available). 

 
Regards
Deepak