[desrosj]

Part of #82782.

What?

This pins WordPress 7.0 as the version to use when running the performance tests on pull_request events.

- run: ./bin/plugin/cli.js perf "$GITHUB_SHA" "$GITHUB_BASE_REF" --tests-branch "$GITHUB_SHA"
+ run: ./bin/plugin/cli.js perf "$GITHUB_SHA" "$GITHUB_BASE_REF" --tests-branch "$GITHUB_SHA" --wp-version "7.0"

Why?

While this branch's .wp-env.json pins Core as WordPress/WordPress#7.0-branch, the performance testing workflow never reads that file. bin/plugin/cli.js perf builds its own, separate .wp-env.json for each branch it measures, and that file's core field is only pinned when an explicit --wp-version argument is passed:

let wpZipUrl = null;
if ( options.wpVersion ) {
	const zipVersion = options.wpVersion.replace( /^(\d+\.\d+)\.0$/, '$1' );
	wpZipUrl = `https://wordpress.org/wordpress-${ zipVersion }.zip`;
}
// ...
core: wpZipUrl || 'WordPress/WordPress',

With no --wp-version, wpZipUrl stays null and the environment falls back to WordPress/WordPress — WordPress Core's own development trunk. The CLI even says so out loud, logging Using: WordPress trunk instead of Using: WordPress v7.0.

That means the pull_request job was measuring this branch's frozen Gutenberg snapshot against a continuously moving Core install, ignoring the branch's own Core pin entirely. That makes the numbers meaningless at best, and breaks the suite outright once Core's architecture drifts far enough from what this branch's editor expects.

--wp-version "7.0" resolves to https://wordpress.org/wordpress-7.0.zip (confirmed available), giving the performance tests the same Core pin every other test suite on this branch already uses.

This workflow's release, push, and workflow_dispatch steps already pass --wp-version; the pull_request step was the only one missing it. Nothing else about the step changes — its name and its "$GITHUB_BASE_REF" argument are already correct on this branch.

The equivalent fix has already been made for wp/6.5 (#83005), wp/6.6 (#82979), and wp/6.7 (#82978).

Use of AI Tools

This PR was created by Claude Code under my supervision. All code should be treated as AI-produced and not yet reviewed by a human until this PR is marked Ready for Review.

🤖 Generated with Claude Code

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[desrosj]

Superseded by #83158 — the commit here was authored with the wrong email address and showed as Unverified. #83158 contains the identical one-line change with a properly verified signature.