Java's Project Valhalla finally lands a preview in JDK 28
Oracle software engineer Lois Foltan has confirmed that Java Enhancement Proposal 401 for Value Classes and Objects – part of Project Valhalla – will be integrated into the OpenJDK mainline early next month, targeting JDK 28.

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Oracle software engineer Lois Foltan has confirmed that Java Enhancement Proposal 401 for Value Classes and Objects – part of Project Valhalla – will be integrated into the OpenJDK mainline early next month, targeting JDK 28.
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- Developers should compare the item with release notes, compatibility matrices, and dependency policies.
- Performance, security, and runtime packaging changes may affect CI/CD and production operations.
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This brief is filed under Java, MySQL, GraalVM and developer ecosystem.
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