iThemes Security Pro 8.4.2

New Feature: Introduces Magic Links module. Users can now request a magic login link when logging in during a brute force attack on their username.
New Feature: Added a new setting in WordPress Tweaks: "Login with Email Address or Username".
Enhancement: Host email images from the plugin instead of relying on iThemes servers to help email clients marking messages as spam or blocking images.
Bug Fix: Improved Recaptcha compatibility with WooCommerce.
Bug Fix: Error when searching for modules preventing modules from appearing.
Bug Fix: Use the wp_options table when acquiring locks in Multisite.
Bug Fix: Prevent duplicate daily digest emails on sites with high load.
Misc: Added Magic Links, a new Pro-only feature, to be activated by Security Check.
Misc: Rearranged modules to be listed alphabetically.

Bug Fix: Fixed logical error that prevented backups from executing.
Bug Fix: Fixed issue that could cause database locks to flood the database.

New Feature: Security Check now attempts to automatically determine the location of the remote IP in the $_SERVER variable in order to protect against IP spoofing.
New Feature: Security Check now attempts to automatically determine if the site supports https connections. If support is found, it asks the user if they wish to redirect http requests to https.
Enhancement: Changed Two Factor login confirmation code emails to avoid spam filters.