[wp-trac] [WordPress Trac] #60127: Fix the Performance Testing workflow in the 6.4 branch

[WordPress Trac]

#60127: Fix the Performance Testing workflow in the 6.4 branch
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 Reporter:  joemcgill         |      Owner:  (none)
     Type:  task (blessed)    |     Status:  new
 Priority:  normal            |  Milestone:  6.5
Component:  Build/Test Tools  |    Version:  trunk
 Severity:  normal            |   Keywords:
  Focuses:                    |
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 Since [57198] all runs of the Performance Workflow
 [https://github.com/WordPress/wordpress-
 develop/actions/workflows/performance.yml?query=branch%3A6.4 on the 6.4
 branch] are failing on the "Run baseline performance tests" step.

 This is likely due to that step trying to run performance tests against
 `BASE_TAG` version that has been set to 6.1.1 since the workflow was
 introduced, since that WP version did not support PHP 8.3.

 Some potential options to consider:

 1. Update the version used for the baseline tests each major version.
 2. Set the PHP version used by performance tests to the current
 recommended version, rather than the latest version.
 3. Run benchmarks using independent environments rather than changing the
 WP version on the same install between tests.

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Ticket URL: <https://core.trac.wordpress.org/ticket/60127>
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