Fix an unexpected error that would be thrown if you passed `--project-id` with an unrecognised project ID.
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5.2.2
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When running the ``show-deployments`` command, you always get a consistent number of deployments (the most recent 10) and deployments are sorted by deployment date.
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5.2.1
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Fix a bug that meant the prepare-deploy command would always throw an exception.
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5.2.0
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Adds a new update command, allowing specific services to be updated from a previous release.
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5.1.1
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Fix an issue with the indentation of output when running with ``--verbose``.
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5.1.0
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When a deployment occurs, ECS services will be tagged with the release id at key "deployment:label".
This provides a way to identify the release a service should be trying to enact (and by looking up that relationship identify which image is associated with which task).