For posterity, I confirmed with Natalie that this is the behavior we want.
Bug 1265208 Comment 5 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
For posterity, I confirmed with Natalie that this is the behavior we want. Also, it's still true that Chrome, Edge, and Safari all still have this behavior.
For posterity, I confirmed with Natalie that this is the behavior we want. Also, it's still true that Chrome, Edge, and Safari all have this behavior.