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new f8d983d8 Camel v4 (#943)
f8d983d8 is described below
commit f8d983d8cd50fc655a25f8de3ea9a19752bdbd96
Author: Claus Ibsen <claus.ib...@gmail.com>
AuthorDate: Wed Jan 4 09:05:52 2023 +0100
Camel v4 (#943)
* Draft blog post for Camel v4 roadmap
* Draft blog post for Camel v4 roadmap
* Draft blog post for Camel v4 roadmap
* Apply suggestions from code review
Co-authored-by: Nicolas Filotto <essob...@users.noreply.github.com>
* Draft blog post for Camel v4 roadmap
* Draft blog post for Camel v4 roadmap
* Apply suggestions from code review
Co-authored-by: Nicolas Filotto <essob...@users.noreply.github.com>
* Draft blog post for Camel v4 roadmap
* Draft blog post for Camel v4 roadmap
* Draft blog post for Camel v4 roadmap
* Draft blog post for Camel v4 roadmap
* Camel 4 blog to be published in start of 2023
* Camel 4 blog to be published in start of 2023
Co-authored-by: Nicolas Filotto <essob...@users.noreply.github.com>
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+---
+title: "Roadmap to Camel 4"
+date: 2023-01-04
+draft: false
+authors: [davsclaus, oscerd, essobedo]
+categories: ["Roadmap"]
+preview: "Roadmap to Apache Camel 4 and impact on Camel 3"
+---
+
+Apache Camel 4 is on the way for 1st half in 2023.
+
+The need for Camel 4 is mainly driven by Java open source projects migrating
from `javax` to `jakarta` APIs
+and to keep up with popular runtimes such as Spring Boot and Quarkus.
+
+## Primary Goals
+1. Migrate from `javax` -> `jakarta` (JEE 10)
+2. Java 17 as minimum
+3. Spring Framework 6
+4. Spring Boot 3
+5. Quarkus 3
+
+## Release Goals
+6. Release only what is ready (JEE10 / Java17)
+ This means that Camel components that are not ready (yet) will be dropped
in a release until they are ready.
+7. Release Camel Core + Camel Spring Boot together
+8. Move Camel Karaf to Apache Karaf as karaf-camel subproject
+
+## Major Goals
+9. Support Java 17 features such as records, multiline strings, etc.
+10. EIP model without JAXB dependency (if possible)
+11. Endpoint URI parsing (do not use `java.net.URI`)
+12. Deprecate `message.getIn()` use `getMessage()` instead
+13. Deprecate/Remove camel-cdi
+14. Deprecate/Remove MDC logging (complex and buggy and does not fit modern
app development)
+
+## Minor Goals
+15. Remove MEP `InOptionalOut` (not in use)
+16. Remove JUnit 4 support
+
+## Dropping Java 11 support
+
+Some users have asked whether Camel 4 can support Java 11. Because Spring
Framework 6 is
+requiring Java 17, then this is _tricky_ as a number of Camel components rely
on Spring.
+
+Java 21 LTS is to be released in September 2023, meaning that Camel 4
+should be forward-facing and prepare to support Java 21 instead of 11.
+
+Users that must use Java 11, can use Camel 3 and then later
+upgrade to Camel 4 when they are ready to upgrade Java as well.
+
+## Timeline
+
+The milestones are _estimates_ and the number of releases may vary according
to the needs and the state of progress of the process.
+In other words, Camel 4 could be released **earlier than expected**.
+
+- Feb 2023: Camel 4.0 milestone 1
+- Mar 2023: Camel 4.0 milestone 2
+- Apr 2023: Camel 4.0 RC1
+- **May 2023: Camel 4.0 LTS (until 4.1 release)**
+- Aug 2023: Camel 4.1 LTS (until Jun 2024)
+- Oct 2023: Camel 4.2
+- Dec 2023: Camel 4.3 LTS (until Dec 2024)
+
+For Camel 3, only LTS versions are released twice a year.
+This means the Camel 3 schedule is as follows:
+
+- Dec 2022: Camel 3.20 LTS (until Dec 2023)
+- Jun 2023: Camel 3.21 LTS (until Jun 2024)
+- Dec 2023: Camel 3.22 LTS (until Dec 2024; Last release supporting Java 11.)
+
+Each Camel 3 release will contain fewer new features and improvements than
before,
+because our focus and work shifted to Camel 4.
+
+The Camel 4 work has already started, and there are some intermediate branches
+with the Jakarta migration such as:
https://github.com/apache/camel/tree/jakarta/rewritten
+
