Apache Camel 4: what to expect
summary
Roadmap for Apache Camel 4 centers on Jakarta 10 and Java 17 support with forward-looking Java 21 plans, plus tooling like camel-jbang and the VS Code camel-caravan designer. Internals replace multiple plugin paths with a unified plugin manager and internalize introspection; testing moves to JUnit 5. About 33 components dropped (20 with easy replacements), Camel Karaf moves to best-effort maintenance, SLF4J migrates to v2, and some components show throughput gains from ~300k to ~510–520 exchanges/sec with 16 consumers. Upgrade guides and migration paths are provided.
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chapters (13)
- 0:00Introduction to Apache Camel 4
- 2:20New features in Camel 4
- 4:13Motivations for Camel 4
- 7:29Simplifying Camel's maintenance
- 9:43Cleaning up internal APIs
- 13:20Under the hood changes
- 16:16Testing improvements
- 17:21Dependency analysis tool
- 18:06Performance optimizations
- 20:39Planning your upgrade
- 24:03User-impacting changes
- 26:13Migration paths to Camel 4
- 29:39Closing remarks and Q&A
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