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Backport: Disable real-time collaboration on site editor#11181

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alecgeatches wants to merge 2 commits intoWordPress:trunkfrom
alecgeatches:backport/rtc-disable-site-editor
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Backport: Disable real-time collaboration on site editor#11181
alecgeatches wants to merge 2 commits intoWordPress:trunkfrom
alecgeatches:backport/rtc-disable-site-editor

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Backport WordPress/gutenberg#76223.

Disable real-time collaboration on the site editor. In performance tests, editing large documents in the site-editor suite (loading large-post.html) can cause performance tests in the site editor to time out with memory errors. This eventually times out the entire performance testing suite in CI, blocking Gutenberg PRs from merging.

Until the root issue is resolved, temporarily disable RTC on the site editor to allow performance tests to pass until we resolve the root cause.

We may not need this PR, or the original Gutenberg PR if alternate fix WordPress/gutenberg#76224 is successful.

Trac ticket: https://core.trac.wordpress.org/ticket/64622

@alecgeatches alecgeatches changed the title Backport gutenberg#76223 - disable RTC on site editor Backport: Disable real-time collaboration on site editor Mar 6, 2026
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github-actions bot commented Mar 6, 2026

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@alecgeatches alecgeatches marked this pull request as ready for review March 6, 2026 00:51
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'window._wpCollaborationEnabled = true;',
'after'
);
global $pagenow;
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Add missing doc for global.

@global string $pagenow The filename of the current screen.


wp_add_inline_script(
'wp-core-data',
'window._wpCollaborationEnabled = ' . ( $enabled ? 'true' : 'false' ) . ';',
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Instead of using a ternary ( $enabled ? 'true' : 'false' ), using wp_json_encode() is a cleaner, more "standard" way to pass PHP booleans into JavaScript.

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2 participants