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JSRs: Java Specification Requests
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Public Review of Draft Specifications

After completion of Early Draft Review (see Section 2.3), a draft specification is made available for Public Review, as described in Section 3.1.

Download Public Drafts

The following draft specifications are available for Public Review. The download pages will tell when each review period closes and where you can send comments. The Expert Group writing each draft is required to read and consider all comments submitted.

JSR 402

JavaTM SE 27

Description
The JSR for the Java SE 27 Platform. The Reference Implementation of this Specification is the Java Development Kit, version 27.
Status
Latest Stage
Start
2026-07-15
End
2026-08-17
Spec Lead
Star Spec Lead Iris Clark, Oracle
Recently Closed Public Reviews
JSR 302

Safety Critical JavaTM Technology

Description
This specification creates a J2METM capability, based on the Real-Time Specification for Java (JSR-1), containing minimal features necessary for safety critical systems capable of certification, e.g., DO-178B.
Status
Latest Stage
Start
2021-05-11
End
2021-05-24
Spec Lead
C. Douglass Locke, The Open Group