• Increased Unicode support. Smileys everywhere 👌
  • MySQL charset defaults to utf8mb4
• Pages feature now supports Markdown and the Pages editor has a preview button
• IPv6 support for users' IP addresses
• Theme switching no longer requires a server restart
• Admins can now search for teams in the admin panel
• The config.html page for plugins are now Jinja templates giving them much more functionality
• Hints are automatically unlocked once the CTF is finished
• Themes now have a dedicated themes folder
• Graphs are now transparent so that themes can style the background
• Tags are now inserted into the classes of challenge buttons on the default theme
• There is now an override_template() function allowing plugins to replace the content of any template loaded by CTFd
• Changes to the email confirmation flow and making confirmation email resending user controlled.