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* feature:``aws kinesis``: The ``get-records`` command now returns a new value MillisBehindLatest: the number of milliseconds the ``get-records`` response is from the end of the stream, indicating how far behind real time a consumer is.
* feature:``aws kms``: Add update-alias command
* feature:``aws elastictranscoder``: Update the aws elastictranscoder command to include support for additional formats, including MXF, FLAC, and OGA, and additional flexibility for your output audio.