JEP 0: JEP Index

Owner	Mark Reinhold
Type	Informational
Status	Active
Created	2011/08/24 17:33
Updated	2025/09/05 10:40

This JEP is the index of all JDK Enhancement Proposals, known as JEPs.
See JEP 1 for an overview of the JEP Process.

Process JEPs

P	Act	1	JDK Enhancement-Proposal & Roadmap Process
P	Act	2	JEP Template
P	Act	3	JDK Release Process
P	Act	11	Incubator Modules
P	Act	12	Preview Features

Informational JEPs

I	Act					14	The Tip & Tail Model of Library Development
I	Act					293	Guidelines for JDK Command-Line Tool Options

In-flight JEPs

F	Can		hotspot	/	gc	522	G1 GC: Improve Throughput by Reducing Synchronization
F	Pro	26	core	/	net	517	HTTP/3 for the HTTP Client API
F	Can		hotspot	/	gc	516	Ahead-of-Time Object Caching with Any GC
F	Int	26	client	/	awt	504	Remove the Applet API
F	Can		spec	/	lang	468	Derived Record Creation (Preview)
F	Can		hotspot	/	compiler	399	Intermediate-Representation Graph Serialization
F	Can		tools	/	javac	303	Intrinsics for the LDC and INVOKEDYNAMIC Instructions
F	Can		tools	/	javac	302	Lambda Leftovers
F	Can		tools	/	javac	300	Augment Use-Site Variance with Declaration-Site Defaults
F	Can		hotspot	/	compiler	234	Additional Run-Time Compiler JVM Trace Events
F	Can		spec	/	lang	218	Generics over Primitive Types
F	Can		core	/	—	198	Light-Weight JSON API
F	Can		hotspot	/	gc	134	Intuitive Semantics for Nested Reference Objects
F	Can		core	/	—	111	Additional Unicode Constructs for Regular Expressions

Submitted JEPs

F	Sub	hotspot	/	gc	8359211	Automatic Heap Sizing for G1
F	Sub	hotspot	/	gc	8329758	Automatic Heap Sizing for ZGC
F	Sub	core-svc	/	tools	8328351	Enable post-mortem crash analysis with jcmd
F	Sub	hotspot	/	gc	8359802	Ergonomics Always Select the G1 Garbage Collector as Default
F	Sub	security	/	security	8360563	PEM Encodings of Cryptographic Objects (Second Preview)
F	Sub	security	/	javax.net.ssl	8358541	Post-Quantum Hybrid Key Exchange for TLS 1.3
F	Sub	core	/	—	8349536	Prepare to Make Final Mean Final

Draft JEPs

F	Dra		hotspot	/	runtime	8349069	4-byte Object Headers (Experimental)
F	Dra		hotspot	/	compiler	8335368	Ahead-of-Time Code Compilation
F	Dra		hotspot	/	gc	8350152	Automatic Heap Sizing for the Serial Garbage Collector
F	Dra		hotspot	/	runtime	8201462	Better hash codes
I	Dra					8336232	CDS Implementation Notes
F	Dra		security	/	javax.net.ssl	8171275	Certificate Transparency
F	Dra		core	/	lang.invoke	8357674	Classifier API to Map Finite Sets to Indexes
F	Dra		hotspot	/	runtime	8361187	Compact Object Headers by Default
F	Dra		spec	/	lang	8209434	Concise Method Bodies
F	Dra		—	/	—	137	Diagnostic-Command Framework
F	Dra		hotspot	/	gc	163	Enable NUMA Mode by Default When Appropriate
F	Dra		—	/	—	402	Enhanced Primitive Boxing (Preview)
F	Dra		spec	/	lang	8323658	Exception handling in switch (Preview)
F	Dra		—	/	—	8354416	Extend native memory tracking to the entirety of the JDK
S	Dra					8283291	Extended Opcodes
F	Dra		—	/	—	8261007	Frozen Arrays (Preview)
I	Dra					8214497	Guidelines for documenting system properties
F	Dra		hotspot	/	compiler	8328186	Hot Code Heap
F	Dra		core	/	net	8179037	Improve IPv6 support
F	Dra		hotspot	/	compiler	8279184	Instruction Issue Cache Hardware Accommodation
I	Dra					8305968	Integrity by Default
F	Dra		hotspot	/	compiler	8261099	Internal Frozen Arrays
F	Dra		core	/	lang.invoke	8158765	Isolated Methods
F	Dra	tbd	core-svc	/	javax.management	8044507	JMX Specific Annotations for Registration of Managed Resources
F	Dra		hotspot	/	compiler	8223220	JVMCI based JIT Compiler pre-compiled as shared library
I	Dra					188	Java Memory Model Update
F	Dra	tbd	hotspot	/	runtime	8208520	Java Thread Sanitizer
I	Dra					8223002	Keyword Management for the Java Language
F	Dra		hotspot	/	compiler	169	Larval State for Value Objects
F	Dra		tools	/	—	8209964	Lazy Static Final Fields
F	Dra		core	/	lang	8249196	Low-level Object layout introspection methods
F	Dra		hotspot	/	runtime	8248259	Low-level classfile reflection
F	Dra		hotspot	/	compiler	8221828	New Invoke Bindings
F	Dra		—	/	—	8316779	Null-Restricted Value Class Types (Preview)
F	Dra		tools	/	javac	8303099	Null-Restricted and Nullable Types (Preview)
F	Dra		hotspot	/	compiler	8132243	Optimize Final Field Loads In Generated Code
F	Dra		hotspot	/	jfr	8284453	Optionally Record Thread Context in JFR
F	Dra		tools	/	javac	190	Pluggable Static Analyzers
I	Dra					182	Policy for Retiring javac -source and -target Options
F	Dra		core	/	util.regex	8260688	Predictable regex performance
I	Dra					8300604	Preview Features: A Look Back, and A Look Ahead
F	Dra		hotspot	/	runtime	8180647	Race exclusion for confined data
F	Dra	tbd	core	/	lang	8263697	Safer Process Launch by ProcessBuilder and Runtime.exec
F	Dra		security	/	javax.crypto	8325511	Security Providers Filter
F	Dra		hotspot	/	runtime	8248257	Simplified bootstrap method invocation
F	Dra		core	/	lang	8359894	Stable Values (Second Preview)
F	Dra		hotspot	/	runtime	8350458	Strict Field Initialization in the JVM (Preview)
F	Dra		core	/	—	8366891	Structured Concurrency (Sixth Preview)
F	Dra		security	/	javax.net.ssl	8281710	TLS Certificate Compression
F	Dra		hotspot	/	runtime	8204937	Type operator expressions in the JVM
F	Dra		spec	/	—	401	Value Classes and Objects (Preview)
S	Dra	tbd				8288293	Windows/gcc Port
F	Dra		—	/	—	8297236	enhanced checkcast for Valhalla type unification
F	Dra		spec	/	lang	8191530	fluent postfix notation for statically scoped interface methods
I	Dra					8068562	javadoc tags to distinguish API, implementation, specification, and notes
F	Dra		—	/	—	8297156	low-level control of field initialization
F	Dra		hotspot	/	compiler	8179657	provide stable USDT probe points on JVM compiled methods
F	Dra		hotspot	/	runtime	8258000	refactor per-instance metadata to be separate from ClassInfo metadata
F	Dra		spec	/	lang	8186473	special notation for the receiver helper pattern
F	Dra		core	/	lang.invoke	8182862	unboxed argument lists for method handles

Delivered Feature and Infrastructure JEPs

F	Clo	25	hotspot	/	gc	521	Generational Shenandoah
F	Clo	25	hotspot	/	jfr	520	JFR Method Timing & Tracing
F	Clo	25	hotspot	/	runtime	519	Compact Object Headers
F	Clo	25	hotspot	/	jfr	518	JFR Cooperative Sampling
F	Clo	25	hotspot	/	compiler	515	Ahead-of-Time Method Profiling
F	Clo	25	hotspot	/	runtime	514	Ahead-of-Time Command-Line Ergonomics
F	Clo	25	spec	/	lang	513	Flexible Constructor Bodies
F	Clo	25	spec	/	lang	512	Compact Source Files and Instance Main Methods
F	Clo	25	spec	/	lang	511	Module Import Declarations
F	Clo	25	security	/	javax.crypto	510	Key Derivation Function API
F	Clo	25	hotspot	/	jfr	509	JFR CPU-Time Profiling (Experimental)
F	Clo	25	core	/	—	508	Vector API (Tenth Incubator)
F	Clo	25	spec	/	lang	507	Primitive Types in Patterns, instanceof, and switch (Third Preview)
F	Clo	25	core	/	—	506	Scoped Values
F	Clo	25	core	/	—	505	Structured Concurrency (Fifth Preview)
F	Clo	25	hotspot	/	other	503	Remove the 32-bit x86 Port
F	Clo	25	core	/	lang	502	Stable Values (Preview)
F	Clo	24	hotspot	/	other	501	Deprecate the 32-bit x86 Port for Removal
F	Clo	24	core	/	—	499	Structured Concurrency (Fourth Preview)
F	Clo	24	core	/	—	498	Warn upon Use of Memory-Access Methods in sun.misc.Unsafe
F	Clo	24	security	/	security	497	Quantum-Resistant Module-Lattice-Based Digital Signature Algorithm
F	Clo	24	security	/	javax.crypto	496	Quantum-Resistant Module-Lattice-Based Key Encapsulation Mechanism
F	Clo	24	spec	/	lang	495	Simple Source Files and Instance Main Methods (Fourth Preview)
F	Clo	24	spec	/	lang	494	Module Import Declarations (Second Preview)
F	Clo	24	tools	/	jlink	493	Linking Run-Time Images without JMODs
F	Clo	24	spec	/	lang	492	Flexible Constructor Bodies (Third Preview)
F	Clo	24	hotspot	/	runtime	491	Synchronize Virtual Threads without Pinning
F	Clo	24	hotspot	/	gc	490	ZGC: Remove the Non-Generational Mode
F	Clo	24	core	/	—	489	Vector API (Ninth Incubator)
F	Clo	24	spec	/	lang	488	Primitive Types in Patterns, instanceof, and switch (Second Preview)
F	Clo	24	core	/	—	487	Scoped Values (Fourth Preview)
F	Clo	24	security	/	security	486	Permanently Disable the Security Manager
F	Clo	24	core	/	util.stream	485	Stream Gatherers
F	Clo	24	core	/	lang.classfile	484	Class-File API
F	Clo	24	hotspot	/	runtime	483	Ahead-of-Time Class Loading & Linking
F	Clo	23	spec	/	lang	482	Flexible Constructor Bodies (Second Preview)
F	Clo	23	core	/	—	481	Scoped Values (Third Preview)
F	Clo	23	core	/	—	480	Structured Concurrency (Third Preview)
F	Clo	24	hotspot	/	other	479	Remove the Windows 32-bit x86 Port
F	Clo	24	security	/	javax.crypto	478	Key Derivation Function API (Preview)
F	Clo	23	spec	/	lang	477	Implicitly Declared Classes and Instance Main Methods (Third Preview)
F	Clo	23	spec	/	lang	476	Module Import Declarations (Preview)
F	Clo	24	hotspot	/	compiler	475	Late Barrier Expansion for G1
F	Clo	23	hotspot	/	gc	474	ZGC: Generational Mode by Default
F	Clo	23	core	/	util.stream	473	Stream Gatherers (Second Preview)
F	Clo	24	core	/	—	472	Prepare to Restrict the Use of JNI
F	Clo	23	core	/	—	471	Deprecate the Memory-Access Methods in sun.misc.Unsafe for Removal
F	Clo	25	security	/	security	470	PEM Encodings of Cryptographic Objects (Preview)
F	Clo	23	core	/	—	469	Vector API (Eighth Incubator)
F	Clo	23	tools	/	javadoc(tool)	467	Markdown Documentation Comments
F	Clo	23	core	/	lang.classfile	466	Class-File API (Second Preview)
F	Clo	22	core	/	—	464	Scoped Values (Second Preview)
F	Clo	22	spec	/	lang	463	Implicitly Declared Classes and Instance Main Methods (Second Preview)
F	Clo	22	core	/	—	462	Structured Concurrency (Second Preview)
F	Clo	22	core	/	util.stream	461	Stream Gatherers (Preview)
F	Clo	22	core	/	—	460	Vector API (Seventh Incubator)
F	Clo	22	spec	/	lang	459	String Templates (Second Preview)
F	Clo	22	tools	/	launcher	458	Launch Multi-File Source-Code Programs
F	Clo	22	core	/	lang.classfile	457	Class-File API (Preview)
F	Clo	22	spec	/	lang	456	Unnamed Variables & Patterns
F	Clo	23	spec	/	lang	455	Primitive Types in Patterns, instanceof, and switch (Preview)
F	Clo	22	core	/	lang.foreign	454	Foreign Function & Memory API
F	Clo	21	core	/	—	453	Structured Concurrency (Preview)
F	Clo	21	security	/	javax.crypto	452	Key Encapsulation Mechanism API
F	Clo	21	hotspot	/	svc	451	Prepare to Disallow the Dynamic Loading of Agents
F	Clo	24	hotspot	/	runtime	450	Compact Object Headers (Experimental)
F	Clo	21	hotspot	/	other	449	Deprecate the Windows 32-bit x86 Port for Removal
F	Clo	21	core	/	—	448	Vector API (Sixth Incubator)
F	Clo	22	spec	/	lang	447	Statements before super(...) (Preview)
F	Clo	21	core	/	—	446	Scoped Values (Preview)
F	Clo	21	spec	/	lang	445	Unnamed Classes and Instance Main Methods (Preview)
F	Clo	21	core	/	—	444	Virtual Threads
F	Clo	21	spec	/	lang	443	Unnamed Patterns and Variables (Preview)
F	Clo	21	core	/	—	442	Foreign Function & Memory API (Third Preview)
F	Clo	21	spec	/	lang	441	Pattern Matching for switch
F	Clo	21	spec	/	lang	440	Record Patterns
F	Clo	21	hotspot	/	gc	439	Generational ZGC
F	Clo	20	core	/	—	438	Vector API (Fifth Incubator)
F	Clo	20	core	/	—	437	Structured Concurrency (Second Incubator)
F	Clo	20	core	/	—	436	Virtual Threads (Second Preview)
F	Clo	20	core	/	—	434	Foreign Function & Memory API (Second Preview)
F	Clo	20	spec	/	lang	433	Pattern Matching for switch (Fourth Preview)
F	Clo	20	spec	/	lang	432	Record Patterns (Second Preview)
F	Clo	21	core	/	util:collections	431	Sequenced Collections
F	Clo	21	spec	/	lang	430	String Templates (Preview)
F	Clo	20	core	/	—	429	Scoped Values (Incubator)
F	Clo	19	core	/	—	428	Structured Concurrency (Incubator)
F	Clo	19	spec	/	lang	427	Pattern Matching for switch (Third Preview)
F	Clo	19	core	/	—	426	Vector API (Fourth Incubator)
F	Clo	19	core	/	—	425	Virtual Threads (Preview)
F	Clo	19	core	/	—	424	Foreign Function & Memory API (Preview)
F	Clo	22	hotspot	/	gc	423	Region Pinning for G1
F	Clo	19	hotspot	/	other	422	Linux/RISC-V Port
F	Clo	18	core	/	lang	421	Deprecate Finalization for Removal
F	Clo	18	spec	/	lang	420	Pattern Matching for switch (Second Preview)
F	Clo	18	core	/	—	419	Foreign Function & Memory API (Second Incubator)
F	Clo	18	core	/	net	418	Internet-Address Resolution SPI
F	Clo	18	core	/	—	417	Vector API (Third Incubator)
F	Clo	18	core	/	lang:reflect	416	Reimplement Core Reflection with Method Handles
F	Clo	17	core	/	io:serialization	415	Context-Specific Deserialization Filters
F	Clo	17	core	/	—	414	Vector API (Second Incubator)
F	Clo	18	tools	/	javadoc(tool)	413	Code Snippets in Java API Documentation
F	Clo	17	core	/	—	412	Foreign Function & Memory API (Incubator)
F	Clo	17	security	/	security	411	Deprecate the Security Manager for Removal
F	Clo	17	hotspot	/	compiler	410	Remove the Experimental AOT and JIT Compiler
F	Clo	17	spec	/	lang	409	Sealed Classes
F	Clo	18	core	/	net	408	Simple Web Server
F	Clo	17	core	/	rmi	407	Remove RMI Activation
F	Clo	17	spec	/	lang	406	Pattern Matching for switch (Preview)
F	Clo	19	spec	/	lang	405	Record Patterns (Preview)
F	Clo	24	hotspot	/	gc	404	Generational Shenandoah (Experimental)
F	Clo	17	—	/	—	403	Strongly Encapsulate JDK Internals
F	Clo	18	core	/	nio.charsets	400	UTF-8 by Default
F	Clo	17	client	/	awt	398	Deprecate the Applet API for Removal
F	Clo	16	spec	/	lang	397	Sealed Classes (Second Preview)
F	Clo	16	—	/	—	396	Strongly Encapsulate JDK Internals by Default
F	Clo	16	spec	/	lang	395	Records
F	Clo	16	spec	/	lang	394	Pattern Matching for instanceof
F	Clo	16	core	/	—	393	Foreign-Memory Access API (Third Incubator)
F	Clo	16	tools	/	jpackage	392	Packaging Tool
F	Clo	17	hotspot	/	runtime	391	macOS/AArch64 Port
F	Clo	16	—	/	—	390	Warnings for Value-Based Classes
F	Clo	16	core	/	—	389	Foreign Linker API (Incubator)
F	Clo	16	hotspot	/	runtime	388	Windows/AArch64 Port
F	Clo	16	hotspot	/	runtime	387	Elastic Metaspace
F	Clo	16	hotspot	/	runtime	386	Alpine Linux Port
F	Clo	15	core	/	rmi	385	Deprecate RMI Activation for Removal
F	Clo	15	spec	/	lang	384	Records (Second Preview)
F	Clo	15	core	/	—	383	Foreign-Memory Access API (Second Incubator)
F	Clo	17	client	/	2d	382	New macOS Rendering Pipeline
F	Clo	15	hotspot	/	other	381	Remove the Solaris and SPARC Ports
F	Clo	16	core	/	nio	380	Unix-Domain Socket Channels
F	Clo	15	hotspot	/	gc	379	Shenandoah: A Low-Pause-Time Garbage Collector (Production)
F	Clo	15	spec	/	lang	378	Text Blocks
F	Clo	15	hotspot	/	gc	377	ZGC: A Scalable Low-Latency Garbage Collector (Production)
F	Clo	16	hotspot	/	gc	376	ZGC: Concurrent Thread-Stack Processing
F	Clo	15	spec	/	lang	375	Pattern Matching for instanceof (Second Preview)
F	Clo	15	hotspot	/	runtime	374	Deprecate and Disable Biased Locking
F	Clo	15	core	/	net	373	Reimplement the Legacy DatagramSocket API
F	Clo	15	core	/	jdk.nashorn	372	Remove the Nashorn JavaScript Engine
F	Clo	15	core	/	lang.invoke	371	Hidden Classes
F	Clo	14	core	/	—	370	Foreign-Memory Access API (Incubator)
S	Clo	16				369	Migrate to GitHub
F	Clo	14	spec	/	lang	368	Text Blocks (Second Preview)
F	Clo	14	tools	/	jar	367	Remove the Pack200 Tools and API
F	Clo	14	hotspot	/	gc	366	Deprecate the ParallelScavenge + SerialOld GC Combination
F	Clo	14	hotspot	/	gc	365	ZGC on Windows (Experimental)
F	Clo	14	hotspot	/	gc	364	ZGC on macOS (Experimental)
F	Clo	14	hotspot	/	gc	363	Remove the Concurrent Mark Sweep (CMS) Garbage Collector
F	Clo	14	—	/	—	362	Deprecate the Solaris and SPARC Ports
F	Clo	14	spec	/	lang	361	Switch Expressions
F	Clo	15	spec	/	lang	360	Sealed Classes (Preview)
F	Clo	14	spec	/	lang	359	Records (Preview)
F	Clo	14	hotspot	/	runtime	358	Helpful NullPointerExceptions
S	Clo	16				357	Migrate from Mercurial to Git
F	Clo	17	core	/	util	356	Enhanced Pseudo-Random Number Generators
F	Clo	13	spec	/	lang	355	Text Blocks (Preview)
F	Clo	13	spec	/	lang	354	Switch Expressions (Second Preview)
F	Clo	13	core	/	net	353	Reimplement the Legacy Socket API
F	Clo	14	core	/	nio	352	Non-Volatile Mapped Byte Buffers
F	Clo	13	hotspot	/	gc	351	ZGC: Uncommit Unused Memory (Experimental)
F	Clo	13	hotspot	/	runtime	350	Dynamic CDS Archives
F	Clo	14	hotspot	/	jfr	349	JFR Event Streaming
S	Clo	16				347	Enable C++14 Language Features
F	Clo	12	hotspot	/	gc	346	Promptly Return Unused Committed Memory from G1
F	Clo	14	hotspot	/	gc	345	NUMA-Aware Memory Allocation for G1
F	Clo	12	hotspot	/	gc	344	Abortable Mixed Collections for G1
F	Clo	14	tools	/	jpackage	343	Packaging Tool (Incubator)
F	Clo	12	hotspot	/	runtime	341	Default CDS Archives
F	Clo	12	hotspot	/	runtime	340	One AArch64 Port, Not Two
F	Clo	15	security	/	javax.crypto	339	Edwards-Curve Digital Signature Algorithm (EdDSA)
F	Clo	16	hotspot	/	compiler	338	Vector API (Incubator)
F	Clo	11	tools	/	—	336	Deprecate the Pack200 Tools and API
F	Clo	11	core	/	jdk.nashorn	335	Deprecate the Nashorn JavaScript Engine for Removal
F	Clo	12	core	/	lang.invoke	334	JVM Constants API
F	Clo	11	hotspot	/	gc	333	ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
F	Clo	11	security	/	javax.net.ssl	332	Transport Layer Security (TLS) 1.3
F	Clo	11	hotspot	/	jvmti	331	Low-Overhead Heap Profiling
F	Clo	11	tools	/	javac	330	Launch Single-File Source-Code Programs
F	Clo	11	security	/	javax.crypto	329	ChaCha20 and Poly1305 Cryptographic Algorithms
F	Clo	11	hotspot	/	jfr	328	Flight Recorder
F	Clo	11	core	/	lang	327	Unicode 10
F	Clo	12	spec	/	lang	325	Switch Expressions (Preview)
F	Clo	11	security	/	javax.crypto	324	Key Agreement with Curve25519 and Curve448
F	Clo	11	tools	/	—	323	Local-Variable Syntax for Lambda Parameters
F	Clo	10	core	/	lang	322	Time-Based Release Versioning
F	Clo	11	core	/	net	321	HTTP Client API
F	Clo	11	other	/	—	320	Remove the Java EE and CORBA Modules
F	Clo	10	security	/	security	319	Root Certificates
F	Clo	11	hotspot	/	gc	318	Epsilon: A No-Op Garbage Collector (Experimental)
F	Clo	10	hotspot	/	compiler	317	Experimental Java-Based JIT Compiler
F	Clo	10	hotspot	/	gc	316	Heap Allocation on Alternative Memory Devices
F	Clo	11	hotspot	/	compiler	315	Improve Aarch64 Intrinsics
F	Clo	10	core	/	util:i18n	314	Additional Unicode Language-Tag Extensions
F	Clo	10	tools	/	javah	313	Remove the Native-Header Generation Tool (javah)
F	Clo	10	hotspot	/	runtime	312	Thread-Local Handshakes
F	Clo	10	hotspot	/	runtime	310	Application Class-Data Sharing
F	Clo	11	hotspot	/	runtime	309	Dynamic Class-File Constants
F	Clo	10	hotspot	/	gc	307	Parallel Full GC for G1
F	Clo	17	spec	/	lang	306	Restore Always-Strict Floating-Point Semantics
F	Clo	14	spec	/	lang	305	Pattern Matching for instanceof (Preview)
F	Clo	10	hotspot	/	gc	304	Garbage Collector Interface
S	Clo	9				299	Reorganize Documentation
F	Clo	9	infrastructure	/	—	298	Remove Demos and Samples
F	Clo	9	hotspot	/	compiler	297	Unified arm32/arm64 Port
S	Clo	10				296	Consolidate the JDK Forest into a Single Repository
F	Clo	9	hotspot	/	compiler	295	Ahead-of-Time Compilation
F	Clo	9	hotspot	/	compiler	294	Linux/s390x Port
F	Clo	9	core	/	jdk.nashorn	292	Implement Selected ECMAScript 6 Features in Nashorn
F	Clo	9	hotspot	/	gc	291	Deprecate the Concurrent Mark Sweep (CMS) Garbage Collector
F	Clo	9	core	/	io:serialization	290	Filter Incoming Serialization Data
F	Clo	9	client	/	—	289	Deprecate the Applet API
F	Clo	9	security	/	security	288	Disable SHA-1 Certificates
F	Clo	9	security	/	security	287	SHA-3 Hash Algorithms
F	Clo	10	tools	/	—	286	Local-Variable Type Inference
F	Clo	9	core	/	lang	285	Spin-Wait Hints
S	Clo	9				284	New HotSpot Build System
F	Clo	9	javafx	/	window-toolkit	283	Enable GTK 3 on Linux
F	Clo	9	tools	/	jlink	282	jlink: The Java Linker
F	Clo	9	hotspot	/	test	281	HotSpot C++ Unit-Test Framework
F	Clo	9	tools	/	javac	280	Indify String Concatenation
F	Clo	9	—	/	—	279	Improve Test-Failure Troubleshooting
F	Clo	9	hotspot	/	gc	278	Additional Tests for Humongous Objects in G1
F	Clo	9	core	/	lang	277	Enhanced Deprecation
F	Clo	9	core	/	lang.invoke	276	Dynamic Linking of Language-Defined Object Models
F	Clo	9	deploy	/	packager	275	Modular Java Application Packaging
F	Clo	9	core	/	lang.invoke	274	Enhanced Method Handles
F	Clo	9	security	/	security	273	DRBG-Based SecureRandom Implementations
F	Clo	9	client	/	awt	272	Platform-Specific Desktop Features
F	Clo	9	hotspot	/	gc	271	Unified GC Logging
F	Clo	9	hotspot	/	runtime	270	Reserved Stack Areas for Critical Sections
F	Clo	9	core	/	util:collections	269	Convenience Factory Methods for Collections
F	Clo	9	xml	/	jaxp	268	XML Catalogs
F	Clo	9	core	/	lang	267	Unicode 8.0
F	Clo	9	core	/	util.concurrent	266	More Concurrency Updates
F	Clo	9	client	/	2d	265	Marlin Graphics Renderer
F	Clo	9	core	/	util.logging	264	Platform Logging API and Service
F	Clo	9	client	/	awt	263	HiDPI Graphics on Windows and Linux
F	Clo	9	client	/	javax.imageio	262	TIFF Image I/O
F	Clo	9	—	/	—	261	Module System
F	Clo	9	—	/	—	260	Encapsulate Most Internal APIs
F	Clo	9	core	/	—	259	Stack-Walking API
F	Clo	9	client	/	2d	258	HarfBuzz Font-Layout Engine
F	Clo	9	javafx	/	media	257	Update JavaFX/Media to Newer Version of GStreamer
F	Clo	9	client	/	beans	256	BeanInfo Annotations
F	Clo	9	xml	/	jaxp	255	Merge Selected Xerces 2.11.0 Updates into JAXP
F	Clo	9	core	/	lang	254	Compact Strings
F	Clo	9	javafx	/	controls	253	Prepare JavaFX UI Controls & CSS APIs for Modularization
F	Clo	9	core	/	util:i18n	252	Use CLDR Locale Data by Default
F	Clo	9	client	/	2d	251	Multi-Resolution Images
F	Clo	9	hotspot	/	runtime	250	Store Interned Strings in CDS Archives
F	Clo	9	security	/	javax.net.ssl	249	OCSP Stapling for TLS
F	Clo	9	hotspot	/	gc	248	Make G1 the Default Garbage Collector
F	Clo	9	tools	/	javac	247	Compile for Older Platform Versions
F	Clo	9	security	/	javax.crypto	246	Leverage CPU Instructions for GHASH and RSA
F	Clo	9	hotspot	/	runtime	245	Validate JVM Command-Line Flag Arguments
F	Clo	9	security	/	javax.net.ssl	244	TLS Application-Layer Protocol Negotiation Extension
F	Clo	9	hotspot	/	compiler	243	Java-Level JVM Compiler Interface
F	Clo	8u60	hotspot	/	gc	242	JVM Trace Events for Failed Allocations
F	Clo	9	core-svc	/	tools	241	Remove the jhat Tool
F	Clo	9	core-svc	/	tools	240	Remove the JVM TI hprof Agent
F	Clo	8u60	javafx	/	web	239	Update JavaFX/WebView to Newer Version of WebKit
F	Clo	9	tools	/	jar	238	Multi-Release JAR Files
F	Clo	9	hotspot	/	compiler	237	Linux/AArch64 Port
F	Clo	9	core	/	jdk.nashorn	236	Parser API for Nashorn
F	Clo	9	tools	/	javac	235	Test Class-File Attributes Generated by javac
F	Clo	9	hotspot	/	compiler	233	Generate Run-Time Compiler Tests Automatically
F	Clo	9	security	/	security	232	Improve Secure Application Performance
F	Clo	9	tools	/	launcher	231	Remove Launch-Time JRE Version Selection
F	Clo	12	performance	/	—	230	Microbenchmark Suite
F	Clo	9	security	/	security	229	Create PKCS12 Keystores by Default
F	Clo	9	hotspot	/	svc	228	Add More Diagnostic Commands
F	Clo	9	core	/	lang	227	Unicode 7.0
F	Clo	9	core	/	util:i18n	226	UTF-8 Property Resource Bundles
F	Clo	9	tools	/	javadoc(tool)	225	Javadoc Search
F	Clo	9	tools	/	javadoc(tool)	224	HTML5 Javadoc
F	Clo	9	—	/	—	223	New Version-String Scheme
F	Clo	9	tools	/	jshell	222	jshell: The Java Shell (Read-Eval-Print Loop)
F	Clo	9	tools	/	javadoc(tool)	221	New Doclet API
F	Clo	9	—	/	—	220	Modular Run-Time Images
F	Clo	9	security	/	javax.net.ssl	219	Datagram Transport Layer Security (DTLS)
F	Clo	9	tools	/	javac	217	Annotations Pipeline 2.0
F	Clo	9	tools	/	javac	216	Process Import Statements Correctly
F	Clo	9	tools	/	javac	215	Tiered Attribution for javac
F	Clo	9	hotspot	/	gc	214	Remove GC Combinations Deprecated in JDK 8
F	Clo	9	tools	/	javac	213	Milling Project Coin
F	Clo	9	tools	/	—	212	Resolve Lint and Doclint Warnings
F	Clo	9	tools	/	javac	211	Elide Deprecation Warnings on Import Statements
F	Clo	8u40	core	/	lang.invoke	210	LambdaForm Reduction and Caching
F	Clo	8u40	client	/	—	209	JavaFX Scene Builder Update
F	Clo	8u40	deploy	/	—	208	Java Packager Improvements
F	Clo	8u40	hotspot	/	compiler	207	Leverage CPU Instructions to Improve SHA Performance on SPARC
F	Clo	8u40	client	/	—	206	Modernize the JavaFX Media Stack on Mac OS X
F	Clo	8u40	client	/	—	205	New Controls for JavaFX
F	Clo	8u40	client	/	—	204	JavaFX Accessibility
F	Clo	8u40	core	/	jdk.nashorn	203	Nashorn: Lexically-Scoped Variable & Constant Declarations
F	Clo	8u40	core	/	jdk.nashorn	202	Nashorn Class Filter
F	Clo	9	—	/	—	201	Modular Source Code
F	Clo	9	—	/	—	200	The Modular JDK
F	Clo	9	tools	/	javac	199	Smart Java Compilation, Phase Two
F	Clo	9	hotspot	/	compiler	197	Segmented Code Cache
F	Clo	8u40	core	/	jdk.nashorn	196	Nashorn Optimistic Typing
F	Clo	8u40	hotspot	/	runtime	195	Scalable Native Memory Tracking
F	Clo	9	core	/	lang	193	Variable Handles
F	Clo	8u20	hotspot	/	gc	192	String Deduplication in G1
F	Clo	12	hotspot	/	gc	189	Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
F	Clo	8	xml	/	jaxp	185	Restrict Fetching of External XML Resources
F	Clo	8	core	/	net	184	HTTP URL Permissions
F	Clo	11	hotspot	/	runtime	181	Nest-Based Access Control
F	Clo	8	core	/	—	180	Handle Frequent HashMap Collisions with Balanced Trees
F	Clo	8	—	/	—	179	Document JDK API Support and Stability
F	Clo	8	core	/	—	178	Statically-Linked JNI Libraries
F	Clo	8	core	/	—	177	Optimize java.text.DecimalFormat.format
F	Clo	8	—	/	—	176	Mechanical Checking of Caller-Sensitive Methods
F	Clo	8u20	—	/	—	175	PowerPC/AIX Port
F	Clo	8	core	/	jdk.nashorn	174	Nashorn JavaScript Engine
F	Clo	8	hotspot	/	gc	173	Retire Some Rarely-Used GC Combinations
F	Clo	8	tools	/	javadoc(tool)	172	DocLint
F	Clo	8	hotspot	/	runtime	171	Fence Intrinsics
F	Clo	8	core	/	—	170	JDBC 4.2
F	Clo	8	core-svc	/	—	168	Network Discovery of Manageable Java Processes
F	Clo	7u40	hotspot	/	svc	167	Event-Based JVM Tracing
F	Clo	8	security	/	—	166	Overhaul JKS-JCEKS-PKCS12 Keystores
F	Clo	9	hotspot	/	compiler	165	Compiler Control
F	Clo	8	—	/	—	164	Leverage CPU Instructions for AES Cryptography
F	Clo	8	—	/	—	162	Prepare for Modularization
F	Clo	8	—	/	—	161	Compact Profiles
F	Clo	8	—	/	—	160	Lambda-Form Representation for Method Handles
F	Clo	9	hotspot	/	svc	158	Unified JVM Logging
F	Clo	8u40	hotspot	/	gc	156	G1 GC: Reduce need for full GCs
F	Clo	8	core	/	—	155	Concurrency Updates
F	Clo	8	client	/	—	153	Launch JavaFX Applications
F	Clo	8	core	/	—	150	Date & Time API
F	Clo	8	core	/	—	149	Reduce Core-Library Memory Usage
F	Clo	8	hotspot	/	runtime	148	Small VM
F	Clo	8	hotspot	/	runtime	147	Reduce Class Metadata Footprint
F	Clo	9	hotspot	/	runtime	143	Improve Contended Locking
F	Clo	8	hotspot	/	gc	142	Reduce Cache Contention on Specified Fields
F	Clo	8	security	/	—	140	Limited doPrivileged
F	Clo	8	tools	/	javac	139	Enhance javac to Improve Build Speed
F	Clo	8	—	/	—	138	Autoconf-Based Build System
F	Clo	8	hotspot	/	runtime	136	Enhanced Verification Errors
F	Clo	8	core	/	—	135	Base64 Encoding & Decoding
F	Clo	8	core	/	—	133	Unicode 6.2
F	Clo	8	security	/	javax.crypto:pkcs11	131	PKCS#11 Crypto Provider for 64-bit Windows
F	Clo	8	security	/	security	130	SHA-224 Message Digests
F	Clo	8	security	/	—	129	NSA Suite B Cryptographic Algorithms
F	Clo	8	core	/	util:i18n	128	Unicode BCP 47 Locale Matching
F	Clo	8	core	/	util:i18n	127	Improve Locale Data Packaging and Adopt Unicode CLDR Data
F	Clo	8	tools	/	javac	126	Lambda Expressions & Virtual Extension Methods
F	Clo	8	security	/	security	124	Enhance the Certificate Revocation-Checking API
F	Clo	8	security	/	security	123	Configurable Secure Random-Number Generation
F	Clo	8	hotspot	/	gc	122	Remove the Permanent Generation
F	Clo	8	security	/	—	121	Stronger Algorithms for Password-Based Encryption
F	Clo	8	spec	/	lang	120	Repeating Annotations
F	Clo	8	core	/	—	119	javax.lang.model Implementation Backed by Core Reflection
F	Clo	8	spec	/	vm	118	Access to Parameter Names at Runtime
F	Clo	8	tools	/	javac	117	Remove the Annotation-Processing Tool (apt)
F	Clo	8	security	/	—	115	AEAD CipherSuites
F	Clo	8	security	/	javax.net.ssl	114	TLS Server Name Indication (SNI) Extension
F	Clo	8	security	/	—	113	MS-SFU Kerberos 5 Extensions
F	Clo	8	core	/	—	112	Charset Implementation Improvements
F	Clo	9	core	/	net	110	HTTP/2 Client (Incubator)
F	Clo	8	core	/	—	109	Enhance Core Libraries with Lambda
F	Clo	8	core	/	—	107	Bulk Data Operations for Collections
F	Clo	8	tools	/	javadoc(tool)	106	Add Javadoc to javax.tools
F	Clo	8	tools	/	javac	105	DocTree API
F	Clo	8	spec	/	lang	104	Type Annotations
F	Clo	8	core	/	—	103	Parallel Array Sorting
F	Clo	9	core	/	lang	102	Process API Updates
F	Clo	8	spec	/	lang	101	Generalized Target-Type Inference

Withdrawn JEPs

F	Clo	spec	/	lang	465	String Templates (Third Preview)
F	Clo	hotspot	/	svc	435	Asynchronous Stack Trace VM API
F	Clo	tools	/	—	348	Compiler Intrinsics for Java SE APIs
F	Clo	hotspot	/	compiler	342	Limit Speculative Execution
F	Clo	core	/	nio	337	RDMA Network Sockets
F	Clo	spec	/	lang	326	Raw String Literals (Preview)
F	Clo	deploy	/	packager	311	Java Packager API & CLI
F	Clo	hotspot	/	gc	308	Improve Dynamic Number of Thread Sizing for G1
F	Clo	tools	/	javac	301	Enhanced Enums
F	Clo	core	/	—	194	Nashorn Code Persistence
F	Clo	tools	/	—	191	Foreign Function Interface
F	Clo	spec	/	lang	186	Collection Literals
F	Clo	core	/	net	183	HTTP Cross-Origin Resource Sharing
F	Clo	hotspot	/	jvmti	159	Enhanced Class Redefinition
F	Clo	hotspot	/	gc	157	G1 GC: NUMA-Aware Allocation
F	Clo	core	/	—	154	Remove Serialization
F	Clo	security	/	javax.crypto	152	Crypto Operations with Network HSMs
F	Clo	core	/	—	151	Compress Time-Zone Data
F	Clo	hotspot	/	runtime	146	Improve Fatal Error Logs
F	Clo	hotspot	/	gc	144	Reduce GC Latency for Large Heaps
F	Clo	hotspot	/	gc	141	Increase the Client VM's Default Heap Size
F	Clo	—	/	—	132	More-prompt finalization
F	Clo	core	/	net	125	Network Interface Aliases, Events, and Defaults
F	Clo	security	/	javax.net.ssl	116	Extended Validation SSL Certificates
F	Clo	core	/	—	108	Collections Enhancements from Third-Party Libraries