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Advanced Custom Fields Multilingual 2.0 - Performance issues

Resolved

Reported for: Advanced Custom Fields Multilingual 2.0.3

Resolved in: 2.0.4

Topic Tags: Compatibility

Overview of the issue

The Advanced Custom Fields Multilingual 2.0 release may cause a considerable performance impact on your website, in both the front-end and backend.

Workaround

Please, make sure to have a full backup of your site before proceeding.

  1. Open …/wp-content/plugins/acfml/classes/Strings/STPluginHooks.php file.
  2. Look for line 36.
  3. Change:
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    if ( $this->needsRegistration() ) {
        Hooks::onAction( 'wp_loaded' )
            ->then( [ $this, 'maybeRegisterFieldGroupsStrings' ] );
    } else {
        $this->setPluginStatus( self::PLUGIN_STATUS_DEACTIVATED );
    }

    To:

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    if ( ! defined( 'WPML_ST_VERSION' ) ) {
        $this->setPluginStatus( self::PLUGIN_STATUS_DEACTIVATED );
    }
     
    if ( $this->needsRegistration() ) {
        Hooks::onAction( 'wp_loaded' )
            ->then( [ $this, 'maybeRegisterFieldGroupsStrings' ] );
    }

Note: you might need to reload the Custom fields settings page again.