JEP Tracker
@jeptracker.bsky.social
Diligently tracking and posting any @openjdk.org JEP updates.
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Built by @hardcoding.fr on https://github.com/PerfectSlayer/openjdk-jep-bsky. Feedback welcome!
📦 JEP 529 delivered to JDK 26
Title: Vector API (Eleventh Incubator)
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/529
Title: Vector API (Eleventh Incubator)
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/529
December 19, 2025 at 6:55 PM
📦 JEP 529 delivered to JDK 26
Title: Vector API (Eleventh Incubator)
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/529
Title: Vector API (Eleventh Incubator)
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/529
📦 JEP 526 delivered to JDK 26
Title: Lazy Constants (Second Preview)
Type: feature
Component: core / lang
Release: 26
See openjdk.org/jeps/526
Title: Lazy Constants (Second Preview)
Type: feature
Component: core / lang
Release: 26
See openjdk.org/jeps/526
December 19, 2025 at 7:55 AM
📦 JEP 526 delivered to JDK 26
Title: Lazy Constants (Second Preview)
Type: feature
Component: core / lang
Release: 26
See openjdk.org/jeps/526
Title: Lazy Constants (Second Preview)
Type: feature
Component: core / lang
Release: 26
See openjdk.org/jeps/526
📦 JEP 530 delivered to JDK 26
Title: Primitive Types in Patterns, instanceof, and switch (Fourth Preview)
Type: feature
Component: spec / lang
Release: 26
See openjdk.org/jeps/530
Title: Primitive Types in Patterns, instanceof, and switch (Fourth Preview)
Type: feature
Component: spec / lang
Release: 26
See openjdk.org/jeps/530
December 18, 2025 at 3:55 PM
📦 JEP 530 delivered to JDK 26
Title: Primitive Types in Patterns, instanceof, and switch (Fourth Preview)
Type: feature
Component: spec / lang
Release: 26
See openjdk.org/jeps/530
Title: Primitive Types in Patterns, instanceof, and switch (Fourth Preview)
Type: feature
Component: spec / lang
Release: 26
See openjdk.org/jeps/530
📦 JEP 516 delivered to JDK 26
Title: Ahead-of-Time Object Caching with Any GC
Type: feature
Component: hotspot / gc
Release: 26
See openjdk.org/jeps/516
Title: Ahead-of-Time Object Caching with Any GC
Type: feature
Component: hotspot / gc
Release: 26
See openjdk.org/jeps/516
December 17, 2025 at 3:55 PM
📦 JEP 516 delivered to JDK 26
Title: Ahead-of-Time Object Caching with Any GC
Type: feature
Component: hotspot / gc
Release: 26
See openjdk.org/jeps/516
Title: Ahead-of-Time Object Caching with Any GC
Type: feature
Component: hotspot / gc
Release: 26
See openjdk.org/jeps/516
✅ JEP 500 is now complete
Title: Prepare to Make Final Mean Final
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/500
Title: Prepare to Make Final Mean Final
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/500
December 15, 2025 at 4:55 PM
✅ JEP 500 is now complete
Title: Prepare to Make Final Mean Final
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/500
Title: Prepare to Make Final Mean Final
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/500
✅ JEP 524 is now complete
Title: PEM Encodings of Cryptographic Objects (Second Preview)
Type: feature
Component: security / security
Release: 26
See openjdk.org/jeps/524
Title: PEM Encodings of Cryptographic Objects (Second Preview)
Type: feature
Component: security / security
Release: 26
See openjdk.org/jeps/524
December 8, 2025 at 11:55 PM
✅ JEP 524 is now complete
Title: PEM Encodings of Cryptographic Objects (Second Preview)
Type: feature
Component: security / security
Release: 26
See openjdk.org/jeps/524
Title: PEM Encodings of Cryptographic Objects (Second Preview)
Type: feature
Component: security / security
Release: 26
See openjdk.org/jeps/524
✅ JEP 517 is now complete
Title: HTTP/3 for the HTTP Client API
Type: feature
Component: core / net
Release: 26
See openjdk.org/jeps/517
Title: HTTP/3 for the HTTP Client API
Type: feature
Component: core / net
Release: 26
See openjdk.org/jeps/517
December 8, 2025 at 7:55 PM
✅ JEP 517 is now complete
Title: HTTP/3 for the HTTP Client API
Type: feature
Component: core / net
Release: 26
See openjdk.org/jeps/517
Title: HTTP/3 for the HTTP Client API
Type: feature
Component: core / net
Release: 26
See openjdk.org/jeps/517
✅ JEP 530 is now complete
Title: Primitive Types in Patterns, instanceof, and switch (Fourth Preview)
Type: feature
Component: spec / lang
Release: 26
See openjdk.org/jeps/530
Title: Primitive Types in Patterns, instanceof, and switch (Fourth Preview)
Type: feature
Component: spec / lang
Release: 26
See openjdk.org/jeps/530
December 3, 2025 at 12:55 AM
✅ JEP 530 is now complete
Title: Primitive Types in Patterns, instanceof, and switch (Fourth Preview)
Type: feature
Component: spec / lang
Release: 26
See openjdk.org/jeps/530
Title: Primitive Types in Patterns, instanceof, and switch (Fourth Preview)
Type: feature
Component: spec / lang
Release: 26
See openjdk.org/jeps/530
✅ JEP 516 is now complete
Title: Ahead-of-Time Object Caching with Any GC
Type: feature
Component: hotspot / gc
Release: 26
See openjdk.org/jeps/516
Title: Ahead-of-Time Object Caching with Any GC
Type: feature
Component: hotspot / gc
Release: 26
See openjdk.org/jeps/516
November 21, 2025 at 1:39 PM
✅ JEP 516 is now complete
Title: Ahead-of-Time Object Caching with Any GC
Type: feature
Component: hotspot / gc
Release: 26
See openjdk.org/jeps/516
Title: Ahead-of-Time Object Caching with Any GC
Type: feature
Component: hotspot / gc
Release: 26
See openjdk.org/jeps/516
✅ JEP 526 is now complete
Title: Lazy Constants (Second Preview)
Type: feature
Component: core / lang
Release: 26
See openjdk.org/jeps/526
Title: Lazy Constants (Second Preview)
Type: feature
Component: core / lang
Release: 26
See openjdk.org/jeps/526
November 21, 2025 at 10:39 AM
✅ JEP 526 is now complete
Title: Lazy Constants (Second Preview)
Type: feature
Component: core / lang
Release: 26
See openjdk.org/jeps/526
Title: Lazy Constants (Second Preview)
Type: feature
Component: core / lang
Release: 26
See openjdk.org/jeps/526
✅ JEP 504 is now complete
Title: Remove the Applet API
Type: feature
Component: client / awt
Release: 26
See openjdk.org/jeps/504
Title: Remove the Applet API
Type: feature
Component: client / awt
Release: 26
See openjdk.org/jeps/504
November 19, 2025 at 7:39 PM
✅ JEP 504 is now complete
Title: Remove the Applet API
Type: feature
Component: client / awt
Release: 26
See openjdk.org/jeps/504
Title: Remove the Applet API
Type: feature
Component: client / awt
Release: 26
See openjdk.org/jeps/504
🏗️ JEP 530 integrated to JDK 26
Title: Primitive Types in Patterns, instanceof, and switch (Fourth Preview)
Type: feature
Component: spec / lang
Release: 26
See openjdk.org/jeps/530
Title: Primitive Types in Patterns, instanceof, and switch (Fourth Preview)
Type: feature
Component: spec / lang
Release: 26
See openjdk.org/jeps/530
November 19, 2025 at 9:39 AM
🏗️ JEP 530 integrated to JDK 26
Title: Primitive Types in Patterns, instanceof, and switch (Fourth Preview)
Type: feature
Component: spec / lang
Release: 26
See openjdk.org/jeps/530
Title: Primitive Types in Patterns, instanceof, and switch (Fourth Preview)
Type: feature
Component: spec / lang
Release: 26
See openjdk.org/jeps/530
✅ JEP 525 is now complete
Title: Structured Concurrency (Sixth Preview)
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/525
Title: Structured Concurrency (Sixth Preview)
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/525
November 19, 2025 at 8:39 AM
✅ JEP 525 is now complete
Title: Structured Concurrency (Sixth Preview)
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/525
Title: Structured Concurrency (Sixth Preview)
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/525
🏗️ JEP 524 integrated to JDK 26
Title: PEM Encodings of Cryptographic Objects (Second Preview)
Type: feature
Component: security / security
Release: 26
See openjdk.org/jeps/524
Title: PEM Encodings of Cryptographic Objects (Second Preview)
Type: feature
Component: security / security
Release: 26
See openjdk.org/jeps/524
November 18, 2025 at 10:39 PM
🏗️ JEP 524 integrated to JDK 26
Title: PEM Encodings of Cryptographic Objects (Second Preview)
Type: feature
Component: security / security
Release: 26
See openjdk.org/jeps/524
Title: PEM Encodings of Cryptographic Objects (Second Preview)
Type: feature
Component: security / security
Release: 26
See openjdk.org/jeps/524
🏗️ JEP 526 integrated to JDK 26
Title: Lazy Constants (Second Preview)
Type: feature
Component: core / lang
Release: 26
See openjdk.org/jeps/526
Title: Lazy Constants (Second Preview)
Type: feature
Component: core / lang
Release: 26
See openjdk.org/jeps/526
November 18, 2025 at 8:39 PM
🏗️ JEP 526 integrated to JDK 26
Title: Lazy Constants (Second Preview)
Type: feature
Component: core / lang
Release: 26
See openjdk.org/jeps/526
Title: Lazy Constants (Second Preview)
Type: feature
Component: core / lang
Release: 26
See openjdk.org/jeps/526
🏗️ JEP 500 integrated to JDK 26
Title: Prepare to Make Final Mean Final
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/500
Title: Prepare to Make Final Mean Final
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/500
November 18, 2025 at 9:39 AM
🏗️ JEP 500 integrated to JDK 26
Title: Prepare to Make Final Mean Final
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/500
Title: Prepare to Make Final Mean Final
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/500
🎯 JEP 530 updated to target JDK 26
Title: Primitive Types in Patterns, instanceof, and switch (Fourth Preview)
Type: feature
Component: spec / lang
Release: 26
See openjdk.org/jeps/530
Title: Primitive Types in Patterns, instanceof, and switch (Fourth Preview)
Type: feature
Component: spec / lang
Release: 26
See openjdk.org/jeps/530
November 13, 2025 at 9:14 PM
🎯 JEP 530 updated to target JDK 26
Title: Primitive Types in Patterns, instanceof, and switch (Fourth Preview)
Type: feature
Component: spec / lang
Release: 26
See openjdk.org/jeps/530
Title: Primitive Types in Patterns, instanceof, and switch (Fourth Preview)
Type: feature
Component: spec / lang
Release: 26
See openjdk.org/jeps/530
🏗️ JEP 529 integrated to JDK 26
Title: Vector API (Eleventh Incubator)
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/529
Title: Vector API (Eleventh Incubator)
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/529
November 13, 2025 at 8:14 PM
🏗️ JEP 529 integrated to JDK 26
Title: Vector API (Eleventh Incubator)
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/529
Title: Vector API (Eleventh Incubator)
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/529
🎯 JEP 526 updated to target JDK 26
Title: Lazy Constants (Second Preview)
Type: feature
Component: core / lang
Release: 26
See openjdk.org/jeps/526
Title: Lazy Constants (Second Preview)
Type: feature
Component: core / lang
Release: 26
See openjdk.org/jeps/526
November 12, 2025 at 9:14 PM
🎯 JEP 526 updated to target JDK 26
Title: Lazy Constants (Second Preview)
Type: feature
Component: core / lang
Release: 26
See openjdk.org/jeps/526
Title: Lazy Constants (Second Preview)
Type: feature
Component: core / lang
Release: 26
See openjdk.org/jeps/526
🎯 JEP 524 updated to target JDK 26
Title: PEM Encodings of Cryptographic Objects (Second Preview)
Type: feature
Component: security / security
Release: 26
See openjdk.org/jeps/524
Title: PEM Encodings of Cryptographic Objects (Second Preview)
Type: feature
Component: security / security
Release: 26
See openjdk.org/jeps/524
November 10, 2025 at 8:49 PM
🎯 JEP 524 updated to target JDK 26
Title: PEM Encodings of Cryptographic Objects (Second Preview)
Type: feature
Component: security / security
Release: 26
See openjdk.org/jeps/524
Title: PEM Encodings of Cryptographic Objects (Second Preview)
Type: feature
Component: security / security
Release: 26
See openjdk.org/jeps/524
🏗️ JEP 525 integrated to JDK 26
Title: Structured Concurrency (Sixth Preview)
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/525
Title: Structured Concurrency (Sixth Preview)
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/525
November 10, 2025 at 5:32 PM
🏗️ JEP 525 integrated to JDK 26
Title: Structured Concurrency (Sixth Preview)
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/525
Title: Structured Concurrency (Sixth Preview)
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/525
🏗️ JEP 516 integrated to JDK 26
Title: Ahead-of-Time Object Caching with Any GC
Type: feature
Component: hotspot / gc
Release: 26
See openjdk.org/jeps/516
Title: Ahead-of-Time Object Caching with Any GC
Type: feature
Component: hotspot / gc
Release: 26
See openjdk.org/jeps/516
November 7, 2025 at 3:50 PM
🏗️ JEP 516 integrated to JDK 26
Title: Ahead-of-Time Object Caching with Any GC
Type: feature
Component: hotspot / gc
Release: 26
See openjdk.org/jeps/516
Title: Ahead-of-Time Object Caching with Any GC
Type: feature
Component: hotspot / gc
Release: 26
See openjdk.org/jeps/516
🎯 JEP 500 updated to target JDK 26
Title: Prepare to Make Final Mean Final
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/500
Title: Prepare to Make Final Mean Final
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/500
November 6, 2025 at 10:50 PM
🎯 JEP 500 updated to target JDK 26
Title: Prepare to Make Final Mean Final
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/500
Title: Prepare to Make Final Mean Final
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/500
🎯 JEP 516 updated to target JDK 26
Title: Ahead-of-Time Object Caching with Any GC
Type: feature
Component: hotspot / gc
Release: 26
See openjdk.org/jeps/516
Title: Ahead-of-Time Object Caching with Any GC
Type: feature
Component: hotspot / gc
Release: 26
See openjdk.org/jeps/516
November 6, 2025 at 10:50 PM
🎯 JEP 516 updated to target JDK 26
Title: Ahead-of-Time Object Caching with Any GC
Type: feature
Component: hotspot / gc
Release: 26
See openjdk.org/jeps/516
Title: Ahead-of-Time Object Caching with Any GC
Type: feature
Component: hotspot / gc
Release: 26
See openjdk.org/jeps/516
🎯 JEP 529 updated to target JDK 26
Title: Vector API (Eleventh Incubator)
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/529
Title: Vector API (Eleventh Incubator)
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/529
November 6, 2025 at 10:50 PM
🎯 JEP 529 updated to target JDK 26
Title: Vector API (Eleventh Incubator)
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/529
Title: Vector API (Eleventh Incubator)
Type: feature
Component: core
Release: 26
See openjdk.org/jeps/529