iThemes Security Pro 8.4.1

Bug Fix: Version Management compatibility with further changes in WordPress 5.6.

Bug Fix: Improved compatibility with WP Engine.
Bug Fix: Version Management compatibility with WordPress 5.6.
Bug Fix: Follow Core UI patterns for Application Passwords.
Bug Fix: Pass the `WP_Error` object to the `wp_login_failed` hook.

New Feature: iThemes Security now supports Passwordless Login and reCAPTCHA v3 for Restrict Content Pro ( version 6.4.3 and later ).
Enhancement: Overwrite Restrict Content Pro's detected IP address with the IP detected by iThemes Security.
Tweak: Application Passwords compatibility with WordPress 5.6.
Bug Fix: Two Factor and Passwords Requirements compatibility with Restrict Content Pro.
Bug Fix: PHP warnings that may occur when initializing default user groups on a new installation.