Guidelines for time to stabilize in jdk9 before considering a backport to jdk8u

Dalibor Topic dalibor.topic at
Tue Jan 28 15:35:41 UTC 2014

On 1/27/14 10:19 PM, Seán Coffey wrote:
> Peter,
> I'm not aware of any guidelines around how much 'soak time' a patch should get in the main feature release line before being backported. I guess there are several factors involved.
> Some being :
> * Riskiness of the fix. (complexity/scope of change/impact)
> * Test coverage available
> * Timeline - Proximity to next GA date.
> A complex fix may warrant some time (1-2+ weeks) in JDK 9 so that nightly/QA testing and EA bundle testing can help confirm how good a fix is. A simple fix probably warrants an immediate backport where desired. In the case of complex fixes, sufficient soak time can help avoid duplicate work for an engineer in JDK 9 and JDK 8u if regressions were seen.

We are also often able to rely on area leads to provide advice on the mailing list when a change should spend an extra round or few to soak.

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