Run module update with composer option -W (--with-all-dependencies), because there is a new added dependency DOM Purify. composer update drupal/glightbox -W
Fix security issue involving XSS, Mitigated by need to have admin access
Issue #3522883 by danrod, joachim: Link to the settings form in the error message 'Try accessing the EU Cookie Compliance settings page and re-save the form.'
Issue #3489452 by svenryen: With PHP 7, eu_cookie_compliance.libraries.yml causes Drupal to crash
Issue #3404608 by ankondrat4, svenryen: Incorrect user's IP address when uses more than one proxy server
Issue #3474433: Update logo for compatibility with Project Browser