This update included:
A change to add a new "New Rule" button to the top of the Rule Builder.
A change to add Client.LoginName to Formulas.
A change to show the "from" address in email audit logs.
A change to allow any type of floating / decimal / integer numbers in custom claims fields.
A fix for the issue where if you upload a zip file, then a csv and try to download you always get the zip file.
A fix for a redirect loop possible with certain query parameters.
A fix for an issue where all versions of Safari were trigging the "browser out of date" banner and not loading newer interfaces