Note that a few of these cases have a string starting with "F", "Fi", "Fire", etc, so it may be that recording the annotation is the part to blame (it appears that `ProductName` was recorded and is being overwritten).
Bug 2074575 Comment 4 Edit History
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Note that a few of these cases have a string starting with "F", "Fi", "Fire", etc, so it may be that recording the annotation is the part to blame (it appears that `ProductName` was recorded and is being overwritten). Also, many of these pings have hardly any other annotations set.