Before assuming a bug, please check this article to confirm if it is listed as a know error or limitation.
Transcripts
No chat transcripts are created for Messaging Sessions when ended. This is native to Salesforce. If you associate a Case ID with the session, the transcript can be posted as a feed item.
File sharing
File sharing feature is not available if used in a MessagingSession page. This is native to Salesforce.
Attachments
Attachments cannot be checked, received, sent or previewed in the Unbabel component.
Private messages between agent and supervisor are translated
Even though private messages from supervisor to agent, and the other way around, do not show on the Unbabel chat component interface initially, after a browser page refresh, messages from agent to supervisor will show as outbound messages. Despite that, these messages will not be sent to the end user.
Duplicated messages when Salesforce supervisor is opened
When the omni-supervisor tab is opened, inbound messages are shown as duplicates on the Unbabel chat component interface.
Outbound messages out of order
In some instances outbound messages are sent out of order. This could happen if the agent sends multiple messages and the translations arrive at near the same time.
Salesforce native conversation component needs to be loaded on the page
If only the Unbabel component loads, we won't have access to messaging sessions. The native components needs to have been loaded at least once with all new messages.
This includes messages sent without translation, directly from the native component.
Ending chat with customer inactive does not block the Unbabel component
Messaging allows the agent to end a conversation in two ways, End Chat and Customer inactive. If an agent sends an outbound message on the Unbabel chat component after the conversation was tagged as Customer inactive, this will result in a request, but with a failed delivery.
Quick text is not organized by folders
The organization of quick text snippets is not reflected in the Unbabel component. All quick text is listed at the same level.