Release Candidate 4.3.0-RC1

[Comments]

2020/02/28: Premium, Release Candidate, WPf2b

  • Add full multisite support.
  • Add separate logging for login attemtps with empty username.
  • Improve user enumeration blocking compatibility with the WordPress block editor (Gutenberg).
  • Log extra information for events (premium).
  • Add new event class for blocked actions (premium).
  • Bump the minimum PHP version to 5.6.