Upgrade/Install: In `postMessage` events handler, check for `message` object existence before checking its `action` property.
Props manikmist09. Fixes #43005. Built from https://develop.svn.wordpress.org/trunk@42604 git-svn-id: http://core.svn.wordpress.org/trunk@42433 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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@ -2423,7 +2423,7 @@
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return;
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}
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if ( 'undefined' === typeof message.action ) {
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if ( ! message || 'undefined' === typeof message.action ) {
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return;
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}
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@ -4,7 +4,7 @@
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*
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* @global string $wp_version
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*/
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$wp_version = '5.0-alpha-42602';
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$wp_version = '5.0-alpha-42604';
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/**
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* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
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