I can reproduce the issue on Nightly73.0a1 Ubuntu18.04. Build ID 20191209095039 Update Directory /home/fuku/Desktop/nightly Update History Update Channel nightly User Agent Mozilla/5.0 (X11; Linux x86_64; rv:73.0) Gecko/20100101 Firefox/73.0
Bug 1599783 Comment 25 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
I can reproduce the issue with str Comment 6 on Nightly73.0a1 Ubuntu18.04. Build ID 20191209095039 Update Directory /home/fuku/Desktop/nightly Update History Update Channel nightly User Agent Mozilla/5.0 (X11; Linux x86_64; rv:73.0) Gecko/20100101 Firefox/73.0