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Introduction
The Quality Group are is promoting the testing of Free Open Source Software (FOSS) projects with OpenJDK builds, whether their own, or from someone else. We want to acknowledge projects who are actively testing, providing feedback and list any issues they have found during their testing. This is a great way to improve the quality of the various releases, adding new projects to the list is highly desirable.
How to join the Quality Outreach Program
If you would like to have your Project added to the list below, please below please send an email to quality-discuss or adoption-discuss mailing lists.lists including:
- Project name
- Project Contact
- Actively Tested on: JDK version
- Previously tested on and actively using features from JDK version
If you haven’t already subscribed to these lists then please do so first, otherwise your message will be discarded as spam.
Status indicators
- Indicates we have active testing, feedback & bug reporting on some or all JDKs around the timeframe of the related release - doesn't necessarily mean that the related release is already supported
- Indicates we have intermittent communication on some or all JDKs - doesn't necessarily mean that the related release is already supported
- Indicates will start testing in the near future
| FOSS | Contact | OpenJDK 11.0.6 | OpenJDK |
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14.0.2 15 16 b18 26 EA | Comments |
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| Akka, Lightbend | Patrik Nordwall |
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#WorksFineOnJDK9 | 
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| Angel-ML | Brucetao |  |  |
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| Apache Ant | Stefan Bodewig & Jaikiran Pai |  |  |  |  |
#WorksFineOnJDK9
Tested Java 15 (build 15+36-1562)[1] and Java 16 EA (build16-ea+15-631) |
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| Apache Aries CDI | Raymond Auge |
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All builds are green
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| Apache Aries JAX-RS | Raymond Auge |  |

 |  | All builds are green. CamelAndrea Cosentino
 |  |  |  | | Aries Spi Fly | Raymond Auge |  |  |
3.4.0 is a LTS release that supports both JDK8 and JDK 11builds.orgviewCview/Apache%20Camel/job/Camel%20JDK14/

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| Apache Commons | Benedikt Ritter |
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| Oct.23: JDK 21 is fully supported |
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| Apache DataSketches | Lee Rhodes |  |  |

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| Apache Derby | Rick Hillegas |


#WorksFineOnJDK9 | Hadoop 3.x now supports only Java 8Apache Hadoop from 2.7.x to 2.x support Java 7 and 8Java 11 support is now in progress:- trunk (3.3.0-SNAPSHOT) supports Java 11 as runtime
| Causeway | Dan Haywood |  |  |  |
| Formerly known as Apache Isis |
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| Apache JMeter | Philippe Mouawad |
Apache HttpComponents | Gary Gregory | 
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Dan Haywood |  |  |  |  | Apache JMeter | Philippe Mouawad |  |
#WorksFineOnJDK9 | Oct.23: Java 21is supported in trunk and will be part of the upcoming 3.7.0 release. |
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| Apache Karaf | Guillaume Nodet |
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| FOSS | Contact | OpenJDK 11.0.6 | OpenJDK |
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14.0.2 15 16 b18Comments#WorksFineOnJDK9| 26 EA |
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| Apache Log4j | Gary Gregory |  |  |
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| Apache Lucene & SOLR | Uwe Schindler Dawid Weiss |  |  |

#WorksLikeHeavenOnJDK11#WorksFineOnJDK9
#AllTestsGreenOnJDK14

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| Apache Maven | Robert Scholte |  |
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| Apache MetaModel | Kasper Sorensen |
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| Apache Netbeans |
Geertjan Wielenga| Ken Fogel |  |
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Use OpenJDK 12 EA b18 or higher and OpenJDK 11.0.2
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| Apache PDFBox | Tilman Hausherr |
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| builds.apache.org/job/PDFBox-Trunk-jdk9/ |
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| Apache POI | Apache POI PMC |
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| Apache Syncope | Francesco Chicchiriccò |

#AllTestsGreenOnJDK14 - Apache Syncope 3.0.0
https://travis-ci.org/github/apache/syncope/builds/681905597
| Syncope master branch is now requiring JDK 21 to build.
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| Apache Tika | Tim Allison |  |  |  |
| #WorksLikeHeavenOnJDK11 |
JDK 16 EA testing hereTomcat 9.0.x with JDK 15+36-1562 and 16-ea+15-631 on x86_64 and aarch64. No regressions found! | | Apache Tika | David Meikle |  |  |  |  | #WorksFineOnJDK9
#WorksLikeHeavenOnJDK11 |
Apache Wicket | | |
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| Apache Wicket | Martin Grigorov |  |  |  |
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| Apache Zookeeper | Enrico Olivelli |
Martin Grigorov | #WorksFineOnJDK9
#WorksLikeHeavenOnJDK11 #AllTestsGreenOnJDK14
Apache Wicket build & tests are fine with JDK 15+36-1562 I've just tested JDK 16-ea+15-631 too - everything is OK! | Apache Zookeeper |
| CI Links - Link |
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| Apereo CAS | Misagh Moayyed |  |  |  |
| Support 21! |
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| ApprovalTests.Java | Llewellyn Falco Lars Eckart |
Enrico Olivellihttps://builds.apache.org/view/Z/view/ZooKeeper/job/zookeeper-master-maven/ -> JDK8 https://builds.apache.org/view/Z/view/ZooKeeper/job/zookeeper-master-maven-jdk11/ https://builds.apache.org/view/Z/view/ZooKeeper/job/zookeeper-master-maven-jdk12/ https://builds.apache.org/view/Z/view/ZooKeeper/job/zookeeper-master-maven-jdk13/ https://builds.apache.org/view/Z/view/ZooKeeper/job/zookeeper-master-maven-jdk14/ https://builds.apache.org/view/Z/view/ZooKeeper/job/zookeeper-master-maven-jdk-ea/ -> JDK15 | | Apereo CAS | Misagh Moayyed |  |  |  |  | #AllTestsGreenOnJDK14 - Apereo CAS 6.2.0 |
Arquillian | Aslak Knutsen |  |  |  |  | AsciidoctorJ | Alex Soto Guillaume Grossetie |  |  |  |  | | FOSS | Contact | OpenJDK 11.0.6 | OpenJDK 14.0.2 | OpenJDK 15 GA
| OpenJDK 16 b18 | Comments |
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| AssertJ | Joel Costigliola, Alexander Bischof |  |  |  |  | #AllTestsGreenOnJDK14 - AssertJ Core 3.15.0 |
BlueJ | Michael Kölling |  |  |  |  | Bnd | Raymond Auge
bndtoolsbnd/actions/runs/114089797bnd.bndtools.org/ |  | #WorksFineOnJDK9
#WorksLikeHeavenOnJDK11 | 
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| Byte Buddy | Rafael Winterhalter |  |

#WorksFineOnJDK9

#WorksLikeHeavenOnJDK11 |
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Byteman | Andrew Dinn |
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| Classworlds |
Robert Scholte |  | 
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| Clojure | Alex Miller |
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| Support only for latest GA release, testing with EA releases. |
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| DataCleaner | Kasper Sorensen |

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Gunnar Morling | | Jiri Pechanec |  |
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| DesktopPaneFX | Andres Almiray |  |
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#WorksFineOnJDK9
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| EasyMock | Henri Tremblay |


#AllTestsGreenOnJDK14 |
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| FOSS | Contact | OpenJDK 11.0.6 | OpenJDK |
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14.0.2 15 16 b18Comments Clements| Clement |  |
 |  |  | AspectJ 1.9.5 is now available. It includes support for Java13.#WorksFineOnJDK9
#AllTestsGreenOnJDK14 - Eclipse Collections 10.2.0
Eclipse 10.4.0 is compatible with JDK-15-EA and JDK-16-EA |
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Eclipse GEF | Alexander Nyssen |

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| Eclipse Jetty | Simone Bordet |  |

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| JDK 21 is fully supported |
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| Eclipse Jifa | Denghui Dong |
#WorksFineOnJDK9
#WorksLikeHeavenOnJDK11 |
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| Eclipse Vert.x | Paulo Lopes |
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| Ehcache | Louis Jacomet |
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| EJBCA | info dot primekey dot se |
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#WorksFineOnJDK9 #WorksLikeHeavenOnJDK11 6.8 - Upgrade the bundled JDK to JDK 14
| eo-yaml | Mihai Andronache |  |  |  |  | |
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| ElasticSearch | Ryan Ernst |  |  |
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eo-yaml | Mihai Andronache |  |  |
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| CI |
Github: https://github.com/decorators-squad/eo-yaml
CI: https://travis-ci.org/github/decorators-squad/eo-yaml
OpenJDK 16 - ttps://travis-ci.org/github/decorators-squad/eo-yaml/jobs/701931262 |
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| EqualsVerifier | Jan Ouwens |  |  |
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#WorksLikeHeavenOnJDK11
version 3.0 supports JDK 11.  |
| Tested on JDK 21 |
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| FXGL | Almas Baimagambetov |

 |  | No issues on JDK11, 12, 13, 14
travis-ci.org/github |  |  |
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| FXyz | Sean Phillips Jose Pereda |

#WorksFineOnJDK9Golo | Julien Ponge |  |  |  | 
Adam Murdoch |  |  |  |  | #WorksFineOnJDK9
#AllTestsGreenOnJDK14 - Gradle 6.3
Sterling Greene |  |  |
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| GraphHopper | Peter Karich |
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| FOSS | Contact | OpenJDK 11.0.6 | OpenJDK |
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14.0.2 15 16 b18 26 EA | Comments |
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| Greenfoot | Michael Kölling |

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| Griffon | Andres Almiray |  |  |
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 | Groovy 2.5.10 Support for JDK 14 |
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| guice-async-extension | Simon Taddiken |
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#WorksFineOnJDK9
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| Hazelcast |
Mehmet Dogan | | Frantisek Hartman |  |  |
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| HdrHistogram | Gil Tene |  |  |
 |  | #WorksFineOnJDK9 #WorksLikeHeavenOnJDK11 | | HeapStats | Yasumasa Suenaga KUBOTA Yuji |  |  |  |  | #WorksFineOnJDK9 |
Hibernate |  | #WorksFineOnJDK9, Hibernate ORM now supports JDK 11 out of the box. Support for JDK 13 was introduced in version 5.4.5.Final. Hibernate ORM and Hibernate Search run fine on JDK15-ea+32 [1][2].
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HyperSQL Database (HSQLDB) | Fred Toussi |
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| Ikonli | Andres Almiray |  |  |
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#WorksFineOnJDK9#WorksLikeHeavenOnJDK11 |
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| Jackson | Tatu Saloranta |

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 | #WorksFineOnJDK9#AllTestsGreenOnJDK14 - JaCoCo 0.8.5
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| JaCoLine | Chris Newland |  |
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 |  | #AllTestsGreenOnJDK14 - https://travis-ci.org/github 14.0.2 15 16 b18 26 EA | Comments |
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| JavaLite | Igor Polevoy |
 |  |  |  | Java Native Access (JNA) | Matthias Bläsing |  |  |  |  | JBoss Tools / Developer Studio | Josef Kopriva |  |  |  |  | Jenkins | Kohsuke Kawaguchi |  |  |  |  | | JFreeChart | David Gilbert |  |  |  |  | JFreeChart 1.6.0-SNAPSHOT. 2,182 & Orson Charts 2.0 - #AllTestsGreenOnJDK14 |
JFreeSVG | David GilbertJFreePDF |
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| JFreeSVG | David Gilbert |  |
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| JFreePDF | David Gilbert |


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| JHipster | Matt Raible |

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| JITWatch | Chris Newland |  |
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JITWatch tested against head of JDK16 GitHub repo |
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| JMetro | Pedro Duque Vieira |  |


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| JobRunr | Ronald Dehuysser |  |
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 | #WorksFineOnJDK9jOOQ 3.12 with official support for Java 11:
| JOSM | Vincent Privat |  |  |  |  | #WorksFineOnJDK9 |
JBoss-Forge | Ivan St Ivanov |  |  |  | 
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| JSilhouette | Andres Almiray |  |
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#WorksFineOnJDK9 |
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| #WorksLikeHeavenOnJDK11 |
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| FOSS | Contact | OpenJDK 11.0.6 | OpenJDK |
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14.0.2 15 16 b18 5
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| Kotlin | Alexander Udalov |



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| Lillith | Jörn Huxhorn |

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#WorksFineOnJDK9 |
#WorksFineOnJDK9Ionannis Ioannis Tsakpinis |  |
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#WorksFineOnJDK9Micrometer | Tommy Ludwig |  |  |  |  | #AllTestsGreenOnJDK14
https://app.circleci.com/pipelines/github/micrometer-metrics/micrometer
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| MapStruct | Filip Hrisafov |  |  |
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| Micrometer | Tommy Ludwig |  |  |
All test green on JDK 15 & JDK 16 b17 with Micrometer 1.5.x build |
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| Micronaut | Graeme Rocher |  |
Tweeted support for JDK 14 |
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| Mockito | Rafael Winterhalter |  |
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#WorksFineOnJDK9#AllTestsGreenOnJDK14 - Mockito 3.3.3 | https://travis-ci.org/github/mybatis/mybatis-3
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| Tested on JDK 21 |
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Netty | Norman Maurer |  |
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#AllTestsGreenOnJDK14 |
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| Orson Charts | David Gilbert |  |
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| oVirt |
engine
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| Parallel Collectors | Grzegorz Piwowarek |  |


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| Actively testing using GitHub actions against a few versions of JDK |
: Tested against JDK 15 EA b19. |
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| PDFsam | Andrea Vacondio |  |
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#AllTestsGreenOnJDK14 |
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| FOSS | Contact | OpenJDK 11.0.6 | OpenJDK |
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14.0.2 15 16 b18Comments| 26 EA |
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| PicoCLI | Remko Popma |  |
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| Piranha Cloud | Thiago Henrique Hüpner |

#WorksLikeHeavenOnJDK11
#AllTestsGreenOnJDK14 - Picocli 4.2.0
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| ProGuard | Eric Lafortune |
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| QDox | Robert Scholte |

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| RabbitMQ | Arnaud Cogoluègnes |


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| Rapidoid | Nikolche Mihajlovski |

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| RedHat Infinispan | Galder Zamerreno |
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 | #WorksFineOnJDK9We confirm that our WildFly community project works on JDK13 without any issues. |
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| Reflections | Ron Mamo |  |  |
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| Renaissance Suite | Lubomír Bulej |  |  |

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| restrict-imports-enforcer-rule | Simon Taddiken |  |
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#WorksFineOnJDK9 |
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| #WorksLikeHeavenOnJDK11 |
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| Roaring | Daniel Lemire |
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#WorksLikeHeavenOnJDK11
Test run fine with Gradle 6.3  | Compile OK, Tests OK on JDK 21 |
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| Scala Team, Lightbend | Jason Zaugg |

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| semantic-version | Simon Taddiken |  |
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#WorksFineOnJDK9
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| FOSS | Contact | OpenJDK 11.0.6 | OpenJDK |
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14.0.2 15 16 b18 26 EA | Comments |
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| SLF4J | Ceki Gülcü |
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#WorksFineOnJDK9 |  | 
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| Selenide | Andrei Solntsev |  |  |
#AllTestsGreenOnJDK14 Peru |  |  | | Peru |  |  |
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| Spoon | Martin Wittlinger Martin Monperrus |  |  |  |


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| Spring Framework | Juergen Hoeller |  |
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#WorksFineOnJDK9Spring Framework 5.2.5 supports JDK 14 | 
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| Thermostat | Severin Gehwolf |
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| Mateusz Gajewski |
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| Vaadin | Matti Tahvonen |
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Daniel Dietrich |  | VMOptionsExplorer| Grzegorz Piwowarek |  |  |
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| VMOptionsExplorer | Chris Newland |  |
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#WorksFineOnJDK9 | 
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| Xtend | Sven Efftinge |

 | XStream |
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| Yupiik Batch | Romain Manni-Bucau |
Jörg Schaible |
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| Yupiik uShip | Romain Manni-Bucau |


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| ZXing | Sean Owen |
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