Taiga is not meant to have multiple sprints filled with open stories at the same time. Typically, teams retrieve stories from the backlog to an open sprint. When the stories are finished, the sprint is considered closed and disappears visually. That’s why we didn’t run into any teams that needed to differentiate the current sprint from the rest, until now . We will think about it.
About the other two things, both are good ideas, and we have them under our radar. However, you can enter both as feature requests in our project in Taiga. Please note these will not be addressed for a while as we are focused on creating our new Taiga.
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