Project Loom

Project Loom is intended to explore, incubate, and deliver Java VM features and APIs built on top of them for the purpose of supporting easy-to-use, high-throughput lightweight concurrency and new programming models on the Java platform.

2026

• JEP targeted to JDK 27: 533: Structured Concurrency (7th Preview) by Alan Bateman, Viktor Klang, Ron Pressler on May 11, 2026
• Episode 46 “Java's Plans for 2026” [IJN] by Nicolai Parlog on February 20, 2026
• Java's Plans for 2026 - Inside Java Newscast #104 by Nicolai Parlog on January 8, 2026

2025

• Virtual Threads in the Real World: Fast, Robust Java Microservices with Helidon by Joe Di Pol on December 21, 2025
• Java's 2025 in Review - Inside Java Newscast #103 by Nicolai Parlog on December 18, 2025
• Valhalla? Python? Withers? Lombok? - Ask the Architects at JavaOne'25 on December 15, 2025
• JEP targeted to JDK 26: 525: Structured Concurrency (6th Preview) by Alan Bateman, Viktor Klang, Ron Pressler on November 24, 2025
• Structured Concurrency in Action by Nicolai Parlog on October 16, 2025
• Reviewing the JDK 25 Release Notes - Inside Java Newscast #98 by Billy Korando on September 25, 2025
• All API Additions From Java 21 to 25 #RoadTo25 by Nicolai Parlog on September 9, 2025
• JEP targeted to JDK 25: 506: Scoped Values by Andrew Haley (guest), Andrew Dinn (guest) on June 2, 2025
• JEP targeted to JDK 25: 505: Structured Concurrency (5th Preview) by Alan Bateman, Viktor Klang, Ron Pressler on May 12, 2025
• Structured Concurrency Revamp in Java 25 - Inside Java Newscast #91 by Nicolai Parlog on May 8, 2025
• Scoped Values in Java 24 - Inside Java Newscast #86 by Nicolai Parlog on February 27, 2025
• Project Loom and Virtual Threads: Next Phases by Alan Bateman on February 22, 2025
• Java's Plans for 2025 - Inside Java Newscast #83 by Nicolai Parlog on January 16, 2025

2024

• Java 24 Stops Pinning Virtual Threads (Almost) - Inside Java Newscast #80 by Nicolai Parlog on November 21, 2024
• JEP targeted to JDK 24: 491: Synchronize Virtual Threads without Pinning by Alan Bateman, Patricio Chilano Mateo on November 15, 2024
• JEP targeted to JDK 24: 487: Scoped Values (4th Preview) by Andrew Haley (guest) on November 13, 2024
• Are Virtual Threads Going to Make Reactive Programming Irrelevant? by José Paumard on October 28, 2024
• Loom's Next Phases with Alan Bateman - Live Q&A at Devoxx BE by Nicolai Parlog, Alan Bateman on October 9, 2024
• Loom - Where Are We? #JVMLS by Alan Bateman on October 6, 2024
• New Loom Early-Access Builds with Changes for JDK 24 by Alan Bateman on September 8, 2024
• Project Loom - Structured Concurrency by Alan Bateman on July 13, 2024
• Quality Outreach Heads-up - New Loom Early-Access Builds by David Delabassee on June 22, 2024
• JEP targeted to JDK 23: 481: Scoped Values (3rd Preview) by Andrew Haley (guest) on June 4, 2024
• JEP targeted to JDK 23: 480: Structured Concurrency (Third Preview) by Ron Pressler, Alan Bateman on June 2, 2024
• Java in 2024 - Constant evolution, delivered. by Georges Saab, Chad Arimura (alum) on June 1, 2024
• JDK 22 in Two Minutes! - Sip of Java by Billy Korando on March 21, 2024
• Quality Outreach Heads-up - Virtual Threads “Pinning” Issue by David Delabassee on February 21, 2024
• Virtual Threads - Next Steps by Alan Bateman on February 17, 2024
• Managing Throughput with Virtual Threads - Sip of Java by Billy Korando on February 4, 2024
• Java's Plans for 2024 - Inside Java Newscast #61 by Nicolai Parlog on January 18, 2024

2023

• JEP targeted to JDK 22: 462: Structured Concurrency (Second Preview) by Alan Bateman, Ron Pressler on December 11, 2023
• Java 22 Unpacking - Inside Java Newscast #59 by Nicolai Parlog on December 7, 2023
• JEP targeted to JDK 22: 464: Scoped Values (Second Preview) by Andrew Haley (guest), Andrew Dinn (guest) on December 2, 2023
• Virtual Threads Explained - Sip of Java by Billy Korando on October 30, 2023
• Java Architects Answer Your Questions by Alan Bateman, Kevin Rushforth, Stuart Marks, Brian Goetz, Nicolai Parlog on October 26, 2023
• Virtual Threads: An Adoption Guide on September 20, 2023
• JDK 21 Release - Sip of Java by Billy Korando on September 18, 2023
• Java 21 new feature: Virtual Threads #RoadTo21 by José Paumard on August 30, 2023
• JVMLS - Continuations Under the Covers by Ron Pressler on August 26, 2023
• JVMLS - The Challenges of Introducing Virtual Threads to the Java Platform by Alan Bateman on August 25, 2023
• All That is in Java 21?! - Inside Java Newscast #50 by Nicolai Parlog on June 8, 2023
• Java Virtual Threads by Sergey Kuksenko on May 4, 2023
• JDK 20 Release! - Sip of Java by Billy Korando on April 22, 2023
• Helidon - Microservices on Modern Java by Joe Di Pol on April 21, 2023
• JEP proposed to target JDK 21: 444: Virtual Threads by Alan Bateman, Ron Pressler on April 9, 2023
• Java Next - From Amber to Loom, from Panama by Nicolai Parlog on April 2, 2023
• Java's Plans for 2023 - Inside Java Newscast #40 by Nicolai Parlog on January 19, 2023
• Episode 29 “Helidon Níma & Virtual Threads” [AtA] by Tomas Langer (Helidon), David Delabassee on January 12, 2023
• From ThreadLocal to ScopedValue with Loom - JEP Café #16 by José Paumard on January 10, 2023

2022

• New candidate JEP: 436: Virtual Threads (2nd Preview) by Alan Bateman, Ron Pressler on November 15, 2022
• New candidate JEP: 437: Structured Concurrency (2nd Incubator) by Alan Bateman, Ron Pressler on November 15, 2022
• Inside Java | JavaOne 2022 Technical Keynote by Chad Arimura (alum) on October 24, 2022
• The Age of Virtual Threads by Alan Bateman, Ron Pressler on October 13, 2022
• Loom in the Java Ecosystem - Inside Java Newscast #34 by Billy Korando, Ana-Maria Mihalceanu, Chad Arimura (alum), José Paumard on September 27, 2022
• Virtual Threads: New Foundations for High-Scale Java Applications by Brian Goetz on September 23, 2022
• JavaOne Preview | Streamlining Large-Scale Java Development by James Grisanzio (alum), Sander Mak (guest) on September 15, 2022
• Java To The Future by Billy Korando on September 14, 2022