Following the announcement made by Facebook on their Messenger platform, we would like to inform our customers about the possible impact to your services and business with effect from December 16th 2020.
Send/Receive attachments other than images will fail
Attachments other than images[ for example; audio and video files] sent via Facebook Messenger will return an error message and won't be
rendered to the receiver. However, the media attachments on the existing messages will still be available.
message_deliveries, messaging_reactions and message_reads will not be delivered
If you have subscribed to message deliveries, reactions and message reads, you will no more receive notifications for this service.