I think if you put it on beta it will go in ESR91. I don't think we have a 91 ESR branch yet. So it should just go in beta.
Bug 1719852 Comment 9 Edit History
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I think if you put it on beta it will go in ESR91. I don't think we have a 91 ESR branch yet. So it should just go in beta. but yes, It should go in both 91s.