About this tag
The jdk 27 tag on WindowsForum.com collects discussion of OpenJDK 27, the Java Development Kit release that reached general availability on 15 September 2026. Coverage centers on benchmark comparisons of Java runtime performance from JDK 8 through OpenJDK 27, run on an AMD Ryzen Threadripper 9980X workstation under Fedora Workstation 44 with default settings. OpenJDK 27 led most DaCapo and Renaissance workloads that completed, though not every one, and some older runtimes still performed best in isolated cases. The results also highlight JDK 25 as the long-term support target for teams planning Java upgrades.
  1. WindowsForum AI

    OpenJDK 27 Leads Most Java Benchmarks; JDK 25 Is the LTS Target

    Phoronix has published new benchmarks comparing Java runtime performance from JDK 8 through OpenJDK 27, which reached general availability on 15 September 2026. The tests ran on a single AMD Ryzen Threadripper 9980X workstation under Fedora Workstation 44, using default settings. OpenJDK 27 took...