Question: Where are JEPs discussed?

Adam Farley8 adam.farley at
Thu May 16 09:30:45 UTC 2019

Thanks for your insight too Alex. :)

Sorry for the delay. I didn't get emails for any of your replies, and had 
to read the archives.

Best Regards

Adam Farley
IBM Runtimes

On 5/9/2019 4:55 AM, Andrew Haley wrote:
> > On 5/8/19 2:37 PM, Adam Farley8 wrote:
> >> Adam Farley8/UK/IBM wrote on 08/05/2019 14:35:59:
> >>
> >>> Does anyone know the answer to this question, raised on jep-changes:
> >>>
> >>> "What's a good way to stay informed about new JEPs and changes to
> >>> existing JEPs?"
> >
> > I'm not sure there is a single place, really. There are OpenJDK
> > projects, and occasionally one will turn into a JEP. JEPs are
> > announced on the jdk-dev list. Detailed discussion is on the project
> > list.
> "JEPs are announced on the jdk-dev list." is misleading. There are 
> announcements about JEPs on jdk-dev, sure, but the announcements are not 

> about the creation of new JEPs [*]. The announcements are about the 
> readiness of pre-existing candidate JEPs for a specific JDK release.
> I suppose that a candidate JEP which has been kicked around on a Project 

> or Group list for years, and is now being announced on jdk-dev for 
> targeting, might be considered "new" in the sense of "new to the JDK 
> Project". But it's also easy to imagine that a JEP which has been kicked 

> around on a Project or Group list for months is "new" when, on reaching 
> candidate status, it receives a number -- after all, the announcement on 

> the Project or Group list is the only one which actually labels a JEP as 

> "new" (e.g. "New candidate JEP: 341: Default CDS Archives").
> All in all, it's best to be clear about the stage a JEP is in -- draft, 
> candidate, and targeted are the main ones -- so that people don't assume 

> that JDK N will have feature X just because a JEP issue exists in JBS.
> Alex
> [*] Very occasionally, there genuinely is an announcement on jdk-dev 
> about the creation of a new JEP (e.g. JEPs 335 and 336 in June 2018) 
> because the JEP will interest many Projects and Groups. And, very 
> occasionally, JEP owners advertise their draft JEPs on jdk-dev, because 
> of the wide readership. But it's the exception, not the rule, to see 
> JEPs mentioned on jdk-dev before they're ready to target a release.
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