It is not possible to rename an already started sprint through the user interface. This is possible to achieve upon manually editing the corresponding entry on the database, however it is not recommended by Atlassian, since it can cause corruption on the data on your instance.
-- Arthur Gonçalves
I have multiple projects that use variations of the same base workflow. The variations depend on the requirements of the project or issue type. The variations mostly come in the form of new statuses ...
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