Thanks for the update Carsten! I couldn't see duplicates entries in the source tree, but I experienced a warning in the Browser Console:
Bug 1605057 Comment 15 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
Thanks for the update Carsten! I couldn't see duplicates entries in the source tree, but I experienced a warning in the Browser Console. It's related to duplicates entries, which seems related to the bug report.