Re: [openj9-dev] OpenJ9 release schedule proposal

["Mark Stoodley" <mstoodle@xxxxxxxxxx>]

Obviously (to us :) ) we had discussed
it earlier in private communication, but I agree with this approach to
align ourselves with the release cadence of a project we're most dependent
on for class library development.

Thanks very much for taking the time
to write up the description and sorry for the crickets you've received
on it to date.

September and JDK11 is coming quickly.
I'd like to suggest that we set a deadline this week to receive any feedback
(say, Thursday to give people a full week to "digest"?).

I encourage anyone who has feedback
or suggestions on this release alignment proposal to please speak up. This
project can only be as good as the feedback we receive, so if you have
an opinion please put it forward !

Mark Stoodley		8200 Warden Avenue
Senior Software Developer		Markham, L6G 1C7
IBM Runtime Technologies		Canada
Phone:	+1-905-413-5831
e-mail:	mstoodle@xxxxxxxxxx
We cannot solve our problems with the same thinking we used when we created them - Albert Einstein

From:      
 "Daniel Heidinga"
<Daniel_Heidinga@xxxxxxxxxx>
To:      
 openj9-dev@xxxxxxxxxxx
Date:      
 2018/08/23 04:16 PM
Subject:    
   [openj9-dev]
OpenJ9 release schedule proposal
Sent by:    
   openj9-dev-bounces@xxxxxxxxxxx

---

Now that the 0.9.0 release is complete, it’s
time to think about the schedule for future releases.  With OpenJDK’s
new 6 month release cycle, new Java versions are released every 6 months.
 With JDK11’s September release fast approaching and followed closely
after by the October JDK8 quarterly update, there’s a lot of work to do!
 
What does this OpenJDK release landscape
look like?
 
1) New versions of Java are released every
6 months: March and Sept.
2) Regular updates to existing releases happen quarterly: Jan, April, July
& Oct.
 
What does OpenJ9 need to do?
 
OpenJ9 needs to at a minimum align with the
quarterly updates to ensure critical fixes (including security patches)
are available in OpenJDK with OpenJ9 builds as soon as possible after the
changes appear in OpenJDK.  This would commit the project to at least
4 releases a year.
 
OpenJ9 should also aim to match the delivery
of feature releases and not wait for them appear in the quarterly update
cycle.  This allows roughly a month for projects that are following
the feature releases to migrate before the next quarterly update.  This
would commit the project to 2 additional releases a year.
 
This would commit the project to 6 releases
a year:
* 4 of them are quarterly updates and would include all supported JDK levels
* 2 of them (March & Sept) would be special releases that introduce
a single new JDK level
 
We would work with the Adopt community to
ensure that it is clear to users which OpenJ9 releases should be built
for each JDK level (ie: quarterly vs special releases).
 
Following this proposal, the next OpenJ9
release would be 0.10.0 in Sept and would only target JDK11.
The next OpenJ9 release would be 0.11.0 in Oct and would include the quarterly
updates for JDK 8, 10, & 11.
 
Comments?
--Dan
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