Pernosco session is available here: https://pernos.co/debug/RussxEo1vrYs2zjCxe3urQ/index.html
Bug 1548930 Comment 4 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
Pernosco session is available here: https://pernos.co/debug/OoNEP4G0Pp8H94aWQrtw-Q/index.html (updated link)