Full info is at this page. Some highlights are below.
Quarkus
Support for codestarts in New Quarkus project wizard
code.quarkus.io has added a new option codestart that allows extension that support
this new feature to contribute sample code in the generated project. It is enabled
by default and is accessible from the second step in the wizard:
OpenShift
Devfile based deployments
The Application Explorer view is now based on odo 2.x, which allows deployments
to be based on devfile (developer oriented manifest file). The components from
the default odo registry are listed with legacy S2I components:
It is also now possible to bootstrap from an empty project as the components
from the registry may expose starter projects (sample code that will initialize
your empty project).
A number of additions and updates have been performed on the available Hibernate runtime providers.
Runtime Provider Updates
The Hibernate 5.4 runtime provider now incorporates Hibernate Core version 5.4.25.Final and Hibernate Tools version 5.4.25.Final.
The Hibernate 5.3 runtime provider now incorporates Hibernate Core version 5.3.20.Final and Hibernate Tools version 5.3.20.Final.
Wildfly 22 Server Adapter
A server adapter has been added to work with Wildfly 22.
Eclipse Microprofile support
CDI Tools now support Eclipse Microprofile. Eclipse Microprofile related assets
are checked against @Inject injections points and are validated according to rules
specified in various Eclipse Microprofile specifications.
Forge Runtime updated to 3.9.8.Final
The included Forge runtime is now 3.9.8.Final.