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      at 55514b5b Camel 4 whats new. WIP

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[camel-website] 01/01: Camel 4 whats new. WIP

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davsclaus pushed a commit to branch news4
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commit 55514b5bb6ba1aca9576b6f51bba86bad50be9fd
Author: Claus Ibsen <cl...@gmail.com>
AuthorDate: Sun Aug 13 13:06:07 2023 +0200

    Camel 4 whats new. WIP
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+---
+title: "Apache Camel 4 What's New (top 10)"
+date: 2023-08-15
+authors: [davsclaus]
+categories: ["Releases"]
+preview: Top 10 of what's new in Apache Camel version 4
+---
+
+TODO: Something about Camel v4 just released
+
+This blog post highlights the noteworthy new features and improvements in Camel v4.
+
+### 1) Major Goals
+
+TODO: SB3, Q3, Javax -> Jakarta, Java 17
+
+### 2) Java 17
+
+Camel 4 requires Java 17. Support for Java 21 is planned for next LTS released by end of this year. 
+
+### 3) Dependency updates
+
+We have as much as possible upgraded all 3rd party dependencies to their latest releases.
+
+### 4) Performance optimizations
+
+TODO: Stuff that Otavio worked on
+
+### 5) Camel JBang
+
+TODO: jbang stuff
+
+### 6) Spring Boot native
+
+TODO: Nicolas work on limited support for AOT
+
+### 7) YAML DSL
+
+TODO: Improved YAML DSL
+
+### 8) XML DSL with beans
+
+TODO: Gregorz stuff (preview)
+
+### 9) New components
+
+- camel-aws2-step-functions: Manage and invoke AWS Step functions
+- camel-azure-files: Send and receive files on Azure File Storage
+- camel-dhis2 - Integrate with DHIS2 (health-level)
+- camel-opensearch - Send requests to OpenSearch
+- camel-parquet-avro - Parquet Avro serialization and de-serialization
+- camel-platform-http-main - Platform HTTP for Camel Main runtime
+- camel-yaml-io - YAML DSL route dumper
+
+### 10) Miscellaneous improvements
+
+Camel 4 now requires JUnit 5 for unit tests, with the test components that have -junit5 as suffix.
+
+If you work with XML or JSon payloads then the body can be logged in pretty format with:
+
+    .log("${prettyBody}")
+
+And in XML
+
+    <log message="${prettyBody}"/>
+
+And in YAML
+
+    - log: "${prettyBody}"
+
+TODO: Other bits and pieces
+
+### 11) Migrating to Camel 4
+
+We have of course cleaned up the code base, such as removing all deprecated APIs and components. 
+We have also adjusted some APIs in regard to configuring `CamelContext` with custom settings.
+
+In terms of backward compatibility then Camel 4 is mostly compatibility for regular Camel applications.
+However, if you are using some of the more advanced features and other plugins in Camel then migration is needed.
+Also, custom components must be migrated and recompiled.
+All details can be seen in the [migration guide](/manual/camel-4-migration-guide.html).
+
+Good luck with your migration if you decide to continue your Camel journey. And for new users to Camel then good luck getting onboard.
+
+### 12) Camel Quarkus
+
+The Camel Quarkus project is working on a new release with Camel 4 support, expected later this month.
+Stay tuned for their release announcements.
+