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Quarkus 3.0.0.Alpha1 released - First iteration of our Jakarta EE 10 stream

I published yesterday a more detailed blog post explaining how we are building the Quarkus 3 stream.

It is now time to announce Quarkus 3.0.0.Alpha1 which is the first iteration of our Quarkus 3 stream.

A few key points about Quarkus 3.0.0.Alpha1:

  • It is based on Quarkus 2.13.3.Final so it has all the features of this version.

  • It targets Jakarta EE 10, except for JPA, where we are still aiming at EE 9. Thus we are still using Hibernate ORM 5.6.

From the key targets we have for Quarkus 3, some are not there yet:

  • Eclipse MicroProfile 6 - it is not even released so no surprise there

  • Switch to the Flow API instead of Reactive Streams - it is a work in progress

  • As mentioned previously, Hibernate ORM 6

A few things are not working yet, due to upstream issues:

  • REST Assured only works with Jackson, not with JSON-B, as there is no versions of REST Assured supporting the jakarta.* packages.

Alpha?

We named this version Alpha1 because it is still a work in progress but it doesn’t contain any experimental stuff.

It is a very stable 2.13.3.Final converted to Jakarta EE 10 with some minor additions.

As a result, it should already be very usable.

Trying out Quarkus 3

For now the easiest way to get started is using code.quarkus.io or use the Quarkus CLI:

quarkus create app --stream=3.0

Mind you that at this stage, while all the core extensions are available, only parts of the Quarkus platform is present. Not all extensions have yet migrated to Jakarta packages (e.g. Camel Quarkus or Kogito are not yet available).

Upgrading to Quarkus 3

For existing applications where all extensions are available, we have an early OpenRewrite recipe that you can try.

There is a one-liner that attempts to do it automatically using a JBang script:

For Linux:

curl -Ls https://sh.jbang.dev | bash -s - --fresh upgrade-to-quarkus3@quarkusio

For Windows:

iex "& { $(iwr https://ps.jbang.dev) } --fresh upgrade-to-quarkus3@quarkusio"

You can also do it manually by downloading the OpenRewrite recipe and apply it manually with the following Maven command:

curl -o quarkus3.yml https://raw.githubusercontent.com/quarkusio/quarkus/main/jakarta/quarkus3.yml
mvn org.openrewrite.maven:rewrite-maven-plugin:4.36.0:run \
   -Drewrite.configLocation=quarkus3.yml \
   -DactiveRecipes=io.quarkus.openrewrite.Quarkus3

Once this has been run your project should have its dependencies and source code updated to use Quarkus 3.

If it does not work for you, it could be we missed something or you are using extensions not yet supporting Quarkus 3.

Let us know in either case so we can together improve the migration script.

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