The 'Attachments' message in the 'KB Article Page' widget is not being translated in Service Portal. The rest of the translations are working as expected in Service Portal.
The 'Attachments' message is being translated correctly in the Platform UI.
Translation for 'Attachments' exists in the message table sys_ui_message (where key = Attachments).
The 'KB Article page' widget has not been modified.
The 'KB Article Page' widget is associated to the Widget Angular Provider named 'spAttachmentManager'
For some reason, this provider is an old version where the i18n function is not being added and the translations are not being taken.
Below the URL for the provider:
Review the instance has the OOB and right version of the provider.
Create a Case for Support for any additional question.