I've slightly modified [Jeff's query](https://sql.telemetry.mozilla.org/queries/66680/) to filter for `start_time`, to make sure that this is not about old data being sent with new build ids (bug 1601080). Looks like this is not the case.
Bug 1601091 Comment 2 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
I've slightly modified [Jeff's query](https://sql.telemetry.mozilla.org/queries/66680/) to filter for `start_time`, to make sure that this is not about old data being sent with new build ids (bug 1601080). Looks like this is not the case. A much simpler query is available [here](https://sql.telemetry.mozilla.org/queries/66683/source)