自JDK 10以来的JEP列表

本文罗列了自OpenJDK 10以来各个版本的功能特性，便于追踪某些JEP跨越多个版本的孵化、预览进程。OpenJDK 9及更老版本并未采用此种快速迭代节奏。本文将不定期更新，以跟进最新的JEP计划，历史版本不会被保留。

下表中的上标#代表“孵化”（Incubator），上标*代表“预览”（Preview）。上标符号如有数字，即代表孵化/预览的次数，如*2代表“第二次预览”（Second Preview）。

Feature	JDK 10	11 (LTS)	12	13	14	15	16	17 (LTS)	18	19	20	21 (LTS)	22	23	24
Module Import Declarations														476*
Prepare to Restrict the Use of JNI															472
ZGC: Generational Mode by Default														474
Deprecate the Memory-Access Methods in sun.misc.Unsafe for Removal														471
Markdown Documentation Comments														467
Primitive Types in Patterns, instanceof, and switch														455*
Stream Gatherers													461*	473*2
Launch Multi-File Source-Code Programs													458
Class-File API													457*	466*2
Statements before super(…)													447*	482*2
Region Pinning for G1													423
Structured Concurrency										428#	437#2	453*	462*2	480*3
Key Encapsulation Mechanism API												452
Prepare to Disallow the Dynamic Loading of Agents												451
Deprecate the Windows 32-bit x86 Port for Removal												449
Unnamed Classes and Instance Main Methods												445*	463*2	477*3
Unnamed Patterns and Variables												443*	456
Generational ZGC												439
Sequenced Collections												431
String Templates												430*	459*2
Scoped Values											429#	446*	464*2	481*3
Virtual Threads										425*	436*2	444
Linux/RISC-V Port										422
Record Patterns										405*	432*2	440
Deprecate Finalization for Removal									421
Internet-Address Resolution SPI									418
Reimplement Core Reflection with Method Handles									416
Code Snippets in Java API Documentation									413
Simple Web Server									408
UTF-8 by Default									400
Context-Specific Deserialization Filters								415
Foreign Function & Memory API								412#	419#2	424*	434*2	442*3	454
Deprecate the Security Manager for Removal								411
Remove the Experimental AOT and JIT Compiler								410
Pattern Matching for switch								406*	420*2	427*3	433*4	441
Strongly Encapsulate JDK Internals								403
Deprecate the Applet API for Removal								398
macOS/AArch64 Port								391
New macOS Rendering Pipeline								382
Enhanced Pseudo-Random Number Generators								356
Restore Always-Strict Floating-Point Semantics								306
Strongly Encapsulate JDK Internals by Default							396
Warnings for Value-Based Classes							390
Foreign Linker API (Incubator)							389#
Windows/AArch64 Port							388
Elastic Metaspace							387
Alpine Linux Port							386
Unix-Domain Socket Channels							380
ZGC: Concurrent Thread-Stack Processing							376
Migrate to GitHub							369
Migrate from Mercurial to Git							357
Enable C++14 Language Features							347
Vector API							338#	414#2	417#3	426#4	438#5	448#6	460#7	469#8
Deprecate & Remove RMI Activation for Removal						385		407
Disable and Deprecate Biased Locking						374
Reimplement the Legacy DatagramSocket API						373
Remove the Nashorn JavaScript Engine						372
Hidden Classes						371
Sealed Classes						360*	397*2	409
Edwards-Curve Digital Signature Algorithm (EdDSA)						339
Records					359*	384*2	395
Foreign-Memory Access API					370#	383#2	393#3
Remove the Pack200 Tools and API					367
Deprecate the ParallelScavenge + SerialOld GC Combination					366
ZGC on Windows					365
ZGC on macOS					364
Remove the Concurrent Mark Sweep (CMS) Garbage Collector					363
Deprecate & Remove the Solaris and SPARC Ports					362	381
Helpful NullPointerExceptions					358
Non-Volatile Mapped Byte Buffers					352
JFR Event Streaming					349
NUMA-Aware Memory Allocation for G1					345
Packaging Tool					343#		392
Pattern Matching for instanceof					305*	375*2	394
Text Blocks				355*	368*2	378
Reimplement the Legacy Socket API				353
ZGC: Uncommit Unused Memory				351
Dynamic CDS Archives				350
Promptly Return Unused Committed Memory from G1			346
Abortable Mixed Collections for G1			344
Default CDS Archives			341
One AArch64 Port, Not Two			340
JVM Constants API			334
Switch Expressions			325*	354*2	361
Microbenchmark Suite			230
Shenandoah: A Low-Pause-Time Garbage Collector			189			379
Deprecate the Pack200 Tools and API		336
Deprecate the Nashorn JavaScript Engine		335
ZGC: A Scalable Low-Latency Garbage Collector		333				377
Transport Layer Security (TLS) 1.3		332
Low-Overhead Heap Profiling		331
Launch Single-File Source-Code Programs		330
ChaCha20 and Poly1305 Cryptographic Algorithms		329
Flight Recorder		328
Unicode 10		327
Key Agreement with Curve25519 and Curve448		324
Local-Variable Syntax for Lambda Parameters		323
LHTTP Client (Standard)		321
Remove the Java EE and CORBA Modules		320
Epsilon: A No-Op Garbage Collector		318
Improve Aarch64 Intrinsics		315
Dynamic Class-File Constants		309
Nest-Based Access Control		181
Time-Based Release Versioning	322
Root Certificates	319
Experimental Java-Based JIT Compiler	317
Heap Allocation on Alternative Memory Devices	316
Additional Unicode Language-Tag Extensions	314
Remove the Native-Header Generation Tool (javah)	313
Thread-Local Handshakes	312
Application Class-Data Sharing	310
Parallel Full GC for G1	307
Garbage-Collector Interface	304
Consolidate the JDK Forest into a Single Repository	296
Local-Variable Type Inference	286