A fix has been implemented and we are monitoring the results.
Posted Aug 29, 2021 - 17:28 UTC
We've identified the issue and are working on implementing a fix.
Posted Aug 29, 2021 - 15:59 UTC
We've discovered an issue where URLs in buttons that contain an attribute do not pass the value for the attribute. The issue only affects URLs that are specified in the Messenger Extensions section in the Configure tab.
We're investigating the issue and will post further updates soon.