OpenJDK 9 正式公布，日程及特性由 JEP Process 提议，由 JEP 2.0 proposal 修订。 日程表 2016/05/26 Feature Complete 2016/08/11 All Tests Run 2016/09/01 Rampdown Start 2016/10/20 Zero Bug Bounce 2016/12/01 Rampdown Phase 2 2017/01/26 Final Release Candidate 2017/03/23 General Availability milestone definitions 与 JDK8 保持一致 Status We are past the Feature Complete milestone, but that does not mean that the feature set is frozen. If you own a JEP or a small enhancement that is not yet complete then you can request an extension via the FC extension-request process. Features JEPs proposed to target JDK 9 288: Disable SHA-1 Certificates JEPs targeted to JDK 9, so far 102: Process API Updates 110: HTTP 2 Client 143: Improve Contended Locking 158: Unified JVM Logging 165: Compiler Control 193: Variable Handles 197: Segmented Code Cache 199: Smart Java Compilation, Phase Two 200: The Modular JDK 201: Modular Source Code 211: Elide Deprecation Warnings on Import Statements 212: Resolve Lint and Doclint Warnings 213: Milling Project Coin 214: Remove GC Combinations Deprecated in JDK 8 215: Tiered Attribution for javac 216: Process Import Statements Correctly 217: Annotations Pipeline 2.0 219: Datagram Transport Layer Security (DTLS) 220: Modular Run-Time Images 221: Simplified Doclet API 222: jshell: The Java Shell (Read-Eval-Print Loop) 223: New Version-String Scheme 224: HTML5 Javadoc 225: Javadoc Search 226: UTF-8 Property Files 227: Unicode 7.0 228: Add More Diagnostic Commands 229: Create PKCS12 Keystores by Default 231: Remove Launch-Time JRE Version Selection 232: Improve Secure Application Performance 233: Generate Run-Time Compiler Tests Automatically 235: Test Class-File Attributes Generated by javac 236: Parser API for Nashorn 237: Linux/AArch64 Port 238: Multi-Release JAR Files 240: Remove the JVM TI hprof Agent 241: Remove the jhat Tool 243: Java-Level JVM Compiler Interface 244: TLS Application-Layer Protocol Negotiation Extension 245: Validate JVM Command-Line Flag Arguments 246: Leverage CPU Instructions for GHASH and RSA 247: Compile for Older Platform Versions 248: Make G1 the Default Garbage Collector 249: OCSP Stapling for TLS 250: Store Interned Strings in CDS Archives 251: Multi-Resolution Images 252: Use CLDR Locale Data by Default 253: Prepare JavaFX UI Controls & CSS APIs for Modularization 254: Compact Strings 255: Merge Selected Xerces 2.11.0 Updates into JAXP 256: BeanInfo Annotations 257: Update JavaFX/Media to Newer Version of GStreamer 258: HarfBuzz Font-Layout Engine 259: Stack-Walking API 260: Encapsulate Most Internal APIs 261: Module System 262: TIFF Image I/O 263: HiDPI Graphics on Windows and Linux 264: Platform Logging API and Service 265: Marlin Graphics Renderer 266: More Concurrency Updates 267: Unicode 8.0 268: XML Catalogs 269: Convenience Factory Methods for Collections 270: Reserved Stack Areas for Critical Sections 271: Unified GC Logging 272: Platform-Specific Desktop Features 273: DRBG-Based SecureRandom Implementations 274: Enhanced Method Handles 275: Modular Java Application Packaging 276: Dynamic Linking of Language-Defined Object Models 277: Enhanced Deprecation 278: Additional Tests for Humongous Objects in G1 279: Improve Test-Failure Troubleshooting 280: Indify String Concatenation 281: HotSpot C++ Unit-Test Framework 282: jlink: The Java Linker 283: Enable GTK 3 on Linux 284: New HotSpot Build System 285: Spin-Wait Hints 287: SHA-3 Hash Algorithms 289: Deprecate the Applet API 详情：http://openjdk.java.net/projects/jdk9/ OpenJDK 9 正式公布，明年3月发布正式版下载地址
