iThemes Security Pro 8.4.1

Bug Fix: Improve lockout compatibility with caching plugins.
Bug Fix: Admin Notices list did not refresh after dismissing a notice.
Bug Fix: Fix PHP warning if there are multiple detected proxy headers.

Fix: Error when saving Passwordless Login settings page when no integrations are available.

New Feature: Integrate Passwordless Login with WooCommerce, Easy Digital Downloads, and Lifter LMS.
Enhancement: Add filter to "Lookup IP" link.
Bug Fix: PHP warning when inserting lockouts.
Bug Fix: WooCommerce Shop Managers were unable to verify their Two-Factor Mobile App code via their WP-Admin profile.
Bug Fix: WordPress 5.3 compatibility with Passwordless Login.