Another crash report for this: https://crash-stats.mozilla.org/report/index/9b482a7b-285f-4b6f-b7dc-187350190903#tab-metadata seen with fission enabled.
Bug 1560110 Comment 11 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
Another crash report for this: https://crash-stats.mozilla.org/report/index/9b482a7b-285f-4b6f-b7dc-187350190903 seen with fission enabled.