For changing WP Travel V4.3 setting to the previous one :

After version 4.3.0 of the WP Travel, we have adopted the react frame. But if you guys want to switch back to the previous setting then you can use the filter below.

For using the filter you have to go through the child theme.

For detail information regarding how to create a child theme, please refer to our Knowledgebase.

add_filter( 'wp_travel_settings_react_enabled', function() {
    return false;
});

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