- Add a CAPTCHA to account confirmation email resending if you've previously requested a resend recently to limit potential abuse.
 - Limit the number of times you can change your email within a short period of time to limit potential abuse.
 - Insert user change log records when two-step verification is enabled/disabled.
 - Log profile post and profile post comment edits to the moderator log for consistency.
 - Improved PHP 7.1 support with memory limit checks and numeric input handling.
 - Allow autolinking to include links containing "[" characters.
 - Allow the bounce parser to identify several other bounce message patterns.
 - Maintain ICC profiles when using the Imagick image processor only if supported by Imagick.
 - Move the Facebook logo sprite to be served locally as the existing URL no longer functions. (Note: this requires a new image within your image path: xenforo/connect_sprite.png.)
 - Add some padding around the message content element to prevent characters from being cut off in certain specific cases.
 - Fix sizing of the attachment thumbnail placeholder for non-image attachments when using a large thumbnail size.
 - In messages, only output the "person" metadata for registered members.
 - If the internal data path is a non-local path, ensure we use a local path for temporary files.
 - Adjust several phrases to use the more general wording of "the site" rather than "the board".