May 2021 JRebel Agent Feature: added support for Helidon. Feature: added support for Google App Engine 1.9.88. Feature: added support for Jetty 9.4.39, 10.0.2 and 11.0.2. Feature: added support for Payara 5.2021.2. Feature: added support for JAXB 3. Feature: added support for Vaadin 19. Feature: added support for Camel 3.9. Improvement: improved performance for MyFaces on reload, when detecting annotation changes. Improvement: improved support for Spring Data JPA when reloading repository method annotations. Improvement: improved the performance of reloading a large set of changes at once. Bug fix: fixed an integration issue with FileServlets that could cause StackOverflowError trying to redirect to itself. Bug fix: fixed an integration issue with Metro 3. Bug fix: fixed a bug in JRebel that could cause ClassCastException when changing a type from an interface to an enum. JRebel for IntelliJ IDEA Improvement: automatic enable Remote Server Support for projects, if rebel-remote.xml is detected when project is opened. Bug fix: fixed a startup issue when running with JRebel if JAVA_TOOL_OPTIONS environment variable was present. Bug fix: fixed an issue where project specific paths were not always extended correctly. Updated embedded JRebel agent to 2021.2.1. JRebel for Eclipse Family IDEs Bug fix: fixed a startup issue when running with JRebel if JAVA_TOOL_OPTIONS environment variable was present. Bug fix: fixed an issue where project specific paths were not always extended correctly. Updated embedded JRebel agent to 2021.2.1. JRebel for NetBeans Bug fix: fixed a startup issue when running with JRebel if JAVA_TOOL_OPTIONS environment variable was present. Bug fix: fixed an issue where project specific paths were not always extended correctly. Updated embedded JRebel agent to 2021.2.1. JRebel for JDeveloper Bug fix: fixed a startup issue when running with JRebel if JAVA_TOOL_OPTIONS environment variable was present. Updated embedded JRebel agent to 2021.2.1.