I was able to reproduce the issue on iPhone SE (14.8) on Firefox 9000 (9809). Note: The issue is not reproducible on latest iOS 15.2.
Bug 1654416 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.
I was able to reproduce the issue on iPhone SE (14.8) on Firefox 9000 (9809). Note: The issue is not reproducible on latest iOS 15.4