https://wordpress.org/support/topic/not-working-with-wp-version-4-7-1/
Not working with WP version 4.7.1. - [Multiple Post Thumbnails] Review | WordPress.org
Jan 19, 2017 - Not working with WP version 4.7.1. karhu (@karhu) 9 years, 8 months ago I updated the plugin from 1.3 version to 1.6.6. but it didn’t work anymore. When I...
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