• Added group_by operator (https://mikefarah.gitbook.io/yq/operators/group-by)
• Added encode/decode operators (toyaml, fromjson etc) (#974), see https://mikefarah.gitbook.io/yq/operators/encode-decode
• Added flatten operator (https://mikefarah.gitbook.io/yq/operators/flatten)
• Added --split-exp, for splitting results into multiple files (#966) see https://mikefarah.gitbook.io/yq/usage/split-into-multiple-files
• Fixed json null array bug (#985)