Audit log should show external user email address
Currently if you share a file or folder with an external user, there is an entry for this in the audit log but it doesn't include the email address of the external user that the item was shared with.
In the Detail column you just get something like: Shared with "SharingLinks.a5988447-2fe5-47d4-a850-1d26aab08851.Flexible.9dfe9eb2-7288-4171-b439-e6fd3526b489" ("SharePointGroup")
Thus it is impossible to tell who something has been shared with!
It'd be much better if instead it said: Shared with email@example.com