Glad it helped!

femke at the beginning of the project yes, because changes were offered for the following sprint. As we are arriving to launching stage, there’s fewer space :( I don’t know if agile is good or bad for design

Most Agile methodology suggests having a retrospective for every sprint which is probably what you are dealing with. The length of the sprints may vary, but are never supposed to be more than 4 weeks. This means that, by default, you would have a retrospective once every three weeks. With that in mind, one of the main principles of Agile is that it was designed to be flexible. This kind of constructive criticism is exactly why we have this retrospective. That said, the default Agile framework does not work best for every company. Maybe suggest doing a retrospective every other sprint because you feel that it would allow you to devote more of your time to meeting your customer's and/or Product Owner's (and by proxy, Stakeholder's) needs. You might even add in that the extra time between these retrospectives would further allow you to analyze issues and come up with effective solutions as you observing how the team works together for a longer period of time.