Issue #2931436 by amateescu, dillix, Berdir, DuneBL, plach: field_purge_batch expects an array of objects but instead gets an array of arrays

Issue #2139467 by vaplas, Gábor Hojtsy, andypost, Sutharsan, alexpott, dillix: format_plural() does not handle D7 translations with a plural form after @count

Issue #2914249 by maxocub, dillix, masipila, phenaproxima: Translated forum vocabulary migration creates duplicate forum vocabularies

Issue #2903007 by rakesh.gectcr, dipakmdhrm, maxocub, dillix, masipila, quietone, phenaproxima: [D7] Forum containers are migrated as forums