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The end game of a release ("productionizing") sees a tightening up of the feedback cycle. Instead of three-week iterations, you may go to one-week iterations. You may have a daily stand-up meeting so everybody knows what everybody else is working on.
Typically there will be some process for certifying the software is ready to go into production. Be prepared to implement new tests to prove your fitness for production. Parallel testing is often applied at this stage.