[wp-trac] [WordPress Trac] #53911: Test modernization backwards-compatibility backports to help security test backports and extenders with WordPress cross-version testing

[WordPress Trac]

#53911: Test modernization backwards-compatibility backports to help security test
backports and extenders with WordPress cross-version testing
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 Reporter:  hellofromTonya    |       Owner:  johnbillion
     Type:  task (blessed)    |      Status:  assigned
 Priority:  normal            |   Milestone:  5.9
Component:  Build/Test Tools  |     Version:
 Severity:  normal            |  Resolution:
 Keywords:  has-patch         |     Focuses:
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Changes (by azaozz):

 * keywords:  has-patch 2nd-opinion => has-patch


Comment:

 Thinking this is ready to go in.

 > The only version of WordPress that is supported is the latest, which is
 currently 5.8. Backporting before then should be off the table...

 Right, that's for new bugfixes. Regressions and major bugfixes are fixed
 in trunk and backported to the latest branch (for dot releases), and
 security fixes/updates are backported to as many branches as
 feasible/possible.

 Major changes to the build/test tools may sometimes need to be backported
 to older branches too as that would affect building and/or testing future
 dot releases. Agree this should be considered an exception rather than a
 rule. As the build/test tools are not "production code", thinking such
 exceptions are warranted when they would make core development a bit
 simpler/easier in the future.

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Ticket URL: <https://core.trac.wordpress.org/ticket/53911#comment:22>
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