it may happen that immediately after the confirmation of a release you notice some errors or you want to fix the master. currently it is necessary to wait for the intervention of a human operator to unlock the release.
I think it would be more efficient if the release were locked as soon as a human operator starts working on it for the processing phase, but there was the possibility to intervene before this moment (I.E. via Soundra). I have seen other distributors implement this feature by streamlining the pipeline and greatly reducing the need for human intervention.