Since we're still tracking ESR68 in the cross-channel repository, you should just be able to pick any updated changeset from l10n-central for the build. P.S. sorry for if I sound like a broken record, but Thunderbird should have someone in charge of l10n, and that person is really not me.
Bug 1582936 Comment 22 Edit History
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Since we're still tracking ESR68 in the cross-channel repository, you should just be able to pick any updated changeset from l10n-central for the build. P.S. sorry if I sound like a broken record, but Thunderbird should have someone in charge of l10n, and that person is really not me.