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Backporting for 2.426.2 #8721

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krisstern
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Latest core version: jenkins-2.433

Fixed
-----

JENKINS-72266           Minor                   2.431
        Upgrade Winstone from 6.14 to 6.16 (upgrade Jetty from 10.0.17 to 10.0.18)
        https://issues.jenkins.io/browse/JENKINS-72266

JENKINS-72252           Minor                   2.431
        Warn administrators of Java end of support 12 months and 3 months prior
        https://issues.jenkins.io/browse/JENKINS-72252

Before the changes are marked as ready-for-merge:

Maintainer checklist

basil and others added 2 commits November 26, 2023 19:14
…m 10.0.17 to 10.0.18 (jenkinsci#8666)

[JENKINS-72266] Upgrade Winstone from 6.14 to 6.16 (upgrade Jetty from 10.0.17 to 10.0.18)

(cherry picked from commit d329577)
jenkinsci#8661)

Show Java version admin monitor at 12 months and 3 months

Daniel Beck described his recommendation to alert users at 12 months
and at 3 months prior to the end of support of a Java version.

He wrote:

> The second warning in particular needs to strike a balance between
> being shown late enough so it's actually relevant for whoever hasn't
> acted yet, while being shown early enough that slightly more elaborate
> environments (difficult to schedule maintenance windows) are informed
> in time. 3 months aligns rather nicely with the LTS schedule where
> we kinda expect folks to do that anyway.
>
> 18/9, or even 12/6 errs too far on the side of those for whom this is
> extreme effort (and who dismissed the first message more appropriate for
> their environment!), while showing everyone else completely irrelevant
> notices they won't care about for many months to come.

jenkinsci/jep#400 (comment) provides
more details.

The Java 8 to Java 11 transition saw a significant change in adoption of
Java 11 once the admin monitor was visible to users.  That was shown
slightly over 12 months before the release that required Java 11.
This change continues that pattern of 12 months warning before end
of support.

jenkinsci/jep#400 (comment) has a
graph that shows the adoption curves for Java 8, Java 11, and Java 17.

(cherry picked from commit aeb64c0)
@krisstern krisstern changed the base branch from master to stable-2.426 November 26, 2023 11:21
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Ref: #8681

@NotMyFault NotMyFault added the into-lts This PR is filed against an LTS branch label Nov 26, 2023
@NotMyFault NotMyFault requested a review from a team November 26, 2023 22:19
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Thanks!

@NotMyFault NotMyFault merged commit abe7181 into jenkinsci:stable-2.426 Nov 27, 2023
16 checks passed
@krisstern krisstern deleted the feat/stable-2.426/backporting-2.426.2-1 branch November 28, 2023 12:27
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4 participants