Updates for 68.* are handled by a different rule than 69.* so there shouldn't be any issues there. Speaking of Fennec, though, should bug 1587089 have an ESR68 approval request too?
Bug 1587186 Comment 6 Edit History
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Updates for 68.* are handled by a different rule than 69.* so there shouldn't be any issues there. Speaking of Fennec, though, should bug 1586188 have an ESR68 approval request too?