Bug 1868604 Comment 2 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
Mozregression pointed to: https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=620e49ab6438e8c933133e9b4eb7a11188514a70&tochange=68378d2409bc693ef00f3f157ecaea7067df7edc Not sure which change could've introduced this though.