The long-standing Conference on Machine Translation (building on the earlier Workshop on Statistical Machine Translation) brings together researchers from the area of machine translation and features selected research papers to be presented at the conference. The conference also features a large number of shared tasks: a general translation task (former news task), a terminology translation task, a literary translation task, a word-level autocompletion task, a sign language translation task, a biomedical translation task, a indic languages translation task, an African languages translation task, a metrics evaluation task, a quality estimation task, a task to introduce novel machine translation testsuites, an automatic post-editing task, and a parallel data curation task.