Accelerating the JDK release cadence

Volker Simonis volker.simonis at
Fri Sep 22 16:02:18 UTC 2017

On Fri, Sep 22, 2017 at 5:49 PM, Andrew Haley <aph at> wrote:
> On 22/09/17 15:34, Volker Simonis wrote:
>> Hi Mark,
>> can you please detail what the statements from your blog regarding the
>> LTS releases means for the OpenJDK:
>> "Every three years, start­ing in Sep­tem­ber of 2018, the fea­ture
>> re­lease will be a long-term sup­port re­lease. Up­dates for these
>> re­leases will be avail­able for at least three years and quite
>> pos­si­bly longer, de­pend­ing upon your ven­dor."
>> Does this mean that Oracle will provide updates for the LTS versions
>> in the OpenJDK for at least three years? According to the "Oracle Java
>> SE Support Roadmap" [1] Oracle plans to offer much longer support time
>> frames for LTS releases. How is this going to work. Will Oracle step
>> back as lead of the corresponding LTS update projects after three
>> years (much as this was done for jdk7u for example) and leave the
>> project up to the community while doing its own LTS support from
>> private repos?
> That is pretty how it works now.

Yes, but I think jdk7 was supported nearly 5 years by Oracle while
18.9 maybe only three years?

> While it'll be a PITA to handle
> divergent repos, we do know how to do it.

Especially because there will be new releases every six month so it
will potentially become harder to identify and downport security and
bug fixes from an increasing number of new release branches.

> --
> Andrew Haley
> Java Platform Lead Engineer
> Red Hat UK Ltd. <>
> EAC8 43EB D3EF DB98 CC77 2FAD A5CD 6035 332F A671

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